When searching for waterproof pool storage containers, durability and weather resistance are key. The 320 Gallon Outdoor Storage Box stands out as the best overall for its large capacity and UV resistance, ideal for heavy-duty outdoor use. The Keter 150 Gallon Resin Deck Box offers a solid balance of size and affordability, perfect for most average-sized pools. Readers often face tradeoffs between size, ease of access, lockability, and budget. Continue reading to see a detailed breakdown of the best options tailored to different needs.

15
compared
10
brands
3
colors
320 gallons
max capacity
Which waterproof pool storage container should you buy?
★ Top Pick
320 Gallon Outdoor Storage Box
Best Overall for Large Capacity and Weather Resistance
Enormous 320-gallon capacity for all-season storage
See on Amazon →
Homeowners needing a durable, lockable storage solution with seating capability for small patios
Keter 150 Gallon Resin Large D
Large 150-gallon capacity suitable for multiple outdoor items
View on Amazon →
Homeowners wanting an attractive, secure outdoor storage solution that blends into garden aesthetics
Lifetime 60012 Extra Large Dec
Stylish two-tone design enhances outdoor aesthetics
View on Amazon →
Budget-minded homeowners requiring a waterproof, lockable storage solution with seating potential
Devoko 100 Gallon Waterproof R
Large 100-gallon capacity for outdoor storage
View on Amazon →
Gardeners and outdoor enthusiasts needing a portable, large-capacity storage solution for seasonal use
VEVOR Outdoor Storage Box
Enormous 230-gallon capacity in a lightweight design
View on Amazon →
Capacity — compared
320 Gallon Outdoor Storage Box320 gallons
Keter 150 Gallon Resin Large D150 gallons
Devoko 100 Gallon Waterproof R100 gallons
VEVOR Outdoor Storage Box230 gallons
Devoko 30 Gallon Resin Deck Bo30 gallons
320 Gallon Waterproof Outdoor 320 gallons
35 Gallon Outdoor Deck Box wit35 gallons
150 Gallon Waterproof Outdoor 150 gallons
Keter Marvel Plus 71 Gallon Re71 gallons
TARKARI 320 Gallon Lockable Re320 gallons
Greesum 100 Gallon Outdoor Sto100 gallons
Greesum Outdoor Storage Box 8282 gallons
Garvee 73 Gallon Waterproof La73 gallons
Devoko 120 Gallon Outdoor Resi120 gallons
Pros & cons at a glance
320 Gallon Outdoor Storage Box
✓ Enormous 320-gallon capacity for all-season storage
✗ No included locks, requiring additional purchase for security
Keter 150 Gallon Resin Large D
✓ Large 150-gallon capacity suitable for multiple outdoor items
✗ Heavy to move once filled
Lifetime 60012 Extra Large Dec
✓ Stylish two-tone design enhances outdoor aesthetics
✗ Heavy and bulky to move
Devoko 100 Gallon Waterproof R
✓ Large 100-gallon capacity for outdoor storage
✗ Heavy when filled, difficult to move often
VEVOR Outdoor Storage Box
✓ Enormous 230-gallon capacity in a lightweight design
✗ Limited color options (Black & Green)
Devoko 30 Gallon Resin Deck Bo
✓ Waterproof and UV-resistant for outdoor durability
✗ Limited internal height restricts larger items
320 Gallon Waterproof Outdoor
✓ Enormous 320-gallon capacity for substantial storage
✗ Assembly may require careful panel alignment
35 Gallon Outdoor Deck Box wit
✓ Waterproof and weatherproof construction
✗ Lock not included, may require additional purchase
150 Gallon Waterproof Outdoor
✓ Weather-resistant and suitable for outdoor use
✗ No lock mechanism for added security
Keter Marvel Plus 71 Gallon Re
✓ Weather-resistant and highly durable
✗ Limited interior space for larger items
TARKARI 320 Gallon Lockable Re
✓ Enormous 320-gallon capacity for versatile outdoor storage
✗ No assembly tools included, may require extra effort
Greesum 100 Gallon Outdoor Sto
✓ 100-gallon capacity for versatile outdoor storage
✗ Assembly can be somewhat effortful
Greesum Outdoor Storage Box 82
✓ Large 82-gallon storage capacity
✗ Locking mechanism not included
Garvee 73 Gallon Waterproof La
✓ Waterproof and UV-resistant for outdoor durability
✗ Limited outdoor-only use
Devoko 120 Gallon Outdoor Resi
✓ Large 120-gallon capacity
✗ No detailed lock mechanism specified

Complete the kit

EASYTEST 7-Way Pool Test Strips, 150 Strips Water Chemica...
EASYTEST 7-Way Pool Test Strips, 150 Strips Water Chemica…
Add to your setup →
JNW 7-in-1 Pool Test Strips, 150 Quick & Accurate Test St...
JNW 7-in-1 Pool Test Strips, 150 Quick & Accurate Test St…
Add to your setup →
5 in 1 Pool Test Strips, for Water Pool & Hot Tub & Spa &...
5 in 1 Pool Test Strips, for Water Pool & Hot Tub & Spa &…
Add to your setup →

Key Takeaways

  • Size varies widely, so consider how much pool equipment or furniture you need to store.
  • UV resistance and weatherproof features are essential for long-term outdoor use.
  • Lockable options offer added security but may come with higher price points.
  • Larger containers tend to be bulkier and heavier, impacting ease of placement and mobility.
  • Budget-friendly models often compromise on features like lockability or UV protection.
2
Keter 150 Gallon Resin Large D
Best Value for Versatile Lockable Storage and Seating
1
320 Gallon Outdoor Storage Box
Best Overall for Large Capacity and Weather Resistance
3
Lifetime 60012 Extra Large Dec
Best for Stylish and Secure Outdoor Storage

Our Top Waterproof Pool Storage Containers Picks

320 Gallon Outdoor Storage Box – Waterproof, UV Resistant Deck Box for Patio Furniture, Cushions, Garden Tools, and Pool Accessories320 Gallon Outdoor Storage Box - Waterproof, UV Resistant Deck Box for Patio Furniture, Cushions, Garden Tools, and Pool AccessoriesBest Overall for Large Capacity and Weather ResistanceCapacity: 320 gallonsDimensions: 67.88″L x 32.28″W x 33.74″HMaterial: Polypropylene, IronVIEW LATEST PRICESee Our Full Breakdown
Keter 150 Gallon Resin Large Deck Box for Patio and Outdoor StorageKeter 150 Gallon Resin Large Deck Box for Patio and Outdoor StorageBest Value for Versatile Lockable Storage and SeatingCapacity: 150 gallonsExterior Dimensions: 61″ L x 28.34″ W x 25.19″ HInterior Dimensions: 56″ L x 24.6″ W x 22.8″ HVIEW LATEST PRICESee Our Full Breakdown
Lifetime 60012 Extra Large Deck Box, 130 Gallon, Desert Sand/BrownLifetime 60012 Extra Large Deck Box, 130 Gallon, Desert Sand/BrownBest for Stylish and Secure Outdoor StorageExterior Dimensions: 5 ft. L x 2 ft. W x 2 ft. 2.5 in. HInterior Capacity: 130 GallonsMaterial: High-density polyethylene (HDPE)VIEW LATEST PRICESee Our Full Breakdown
Devoko 100 Gallon Waterproof Resin Deck Box, Large Outdoor Storage Container for Patio Furniture Cushions, Garden Tools & Pool SuppliesDevoko 100 Gallon Waterproof Resin Deck Box, Large Outdoor Storage Container for Patio Furniture Cushions, Garden Tools & Pool SuppliesBest for Budget-Conscious Users Needing VersatilityMaterial: ResinCapacity: 100 gallonsDimensions: 48″L x 22″W x 24.5″HVIEW LATEST PRICESee Our Full Breakdown
VEVOR Outdoor Storage Box, 230 Gallon Waterproof PE Tarpaulin Deck Box with Galvanized Frame, All-Weather Portable Storage for Garden, Poolside, and Yard, Black & GreenVEVOR Outdoor Storage Box, 230 Gallon Waterproof PE Tarpaulin Deck Box with Galvanized Frame, All-Weather Portable Storage for Garden, Poolside, and Yard, Black & GreenBest for Portability and Easy AssemblyCapacity: 230 gallonsInterior Dimensions: 57.9″ x 33.9″ x 42.5″ x 30.3″Material: PE Waterproof TarpaulinVIEW LATEST PRICESee Our Full Breakdown
Devoko 30 Gallon Resin Deck Box Waterproof Outdoor Storage Box for Patio Furniture Pool Accessories Indoor Storage for Cushion Garden ToolsDevoko 30 Gallon Resin Deck Box Waterproof Outdoor Storage Box for Patio Furniture Pool Accessories Indoor Storage for Cushion Garden ToolsBest Compact and Versatile Storage with SeatingCapacity: 30 gallonsDimensions: 22 x 16 x 20 inchesWeight: 8.8 poundsVIEW LATEST PRICESee Our Full Breakdown
320 Gallon Waterproof Outdoor Storage Box with Hydraulic Lid, UV Resistant Resin Deck Storage Chest for Patio, Garden, and Pool (Black)320 Gallon Waterproof Outdoor Storage Box with Hydraulic Lid, UV Resistant Resin Deck Storage Chest for Patio, Garden, and Pool (Black)Best for Large Capacity and Weather ResistanceCapacity: 320 gallonsDimensions: 67.88”L x 32.28”W x 33.74”HMaterial: UV resistant resinVIEW LATEST PRICESee Our Full Breakdown
35 Gallon Outdoor Deck Box with Lid, Waterproof Lockable Resin Storage Container for Patio Cushions, Pool Toys, Garden Tools, and Porch Packages, Grey35 Gallon Outdoor Deck Box with Lid, Waterproof Lockable Resin Storage Container for Patio Cushions, Pool Toys, Garden Tools, and Porch Packages, GreyBest Multi-Functional Storage and Seating in a Compact SizeCapacity: 35 gallonsDimensions: 22″L x 17″W x 21″HMaterial: ResinVIEW LATEST PRICESee Our Full Breakdown
150 Gallon Waterproof Outdoor Storage Box, Resin Deck Box, Lockable Outside Storage Container for Patio Furniture, Garden, Tools150 Gallon Waterproof Outdoor Storage Box, Resin Deck Box, Lockable Outside Storage Container for Patio Furniture, Garden, ToolsBest for Multi-Functional Storage with Modern StyleCapacity: 150 gallonsDimensions: 54.25″ x 26.5″ x 24.21″Material: Resin, Polypropylene, WoodVIEW LATEST PRICESee Our Full Breakdown
Keter Marvel Plus 71 Gallon Resin Outdoor Storage Box for Patio Furniture Cushions, Throw Pillows, Garden Tools, and Pool FloatsKeter Marvel Plus 71 Gallon Resin Outdoor Storage Box for Patio Furniture Cushions, Throw Pillows, Garden Tools, and Pool FloatsBest for Moderate Capacity and Heavy UseDimensions: 45.9″ W x 17.4″ D x 22.2″ HInterior Dimensions: 44.6″ W x 15.6″ D x 20″ HCapacity: 71 gallonsVIEW LATEST PRICESee Our Full Breakdown
TARKARI 320 Gallon Lockable Resin Deck Box, Waterproof & UV-Resistant Outdoor StorageTARKARI 320 Gallon Lockable Resin Deck Box, Waterproof & UV-Resistant Outdoor StorageBest Overall for Large Outdoor Storage and VersatilityDimensions: 67.72 in. L x 32.2 in. W x 33.66 in. HMaterial: High-quality resinCapacity: 320 gallonsVIEW LATEST PRICESee Our Full Breakdown
Greesum 100 Gallon Outdoor Storage Box with Lid, Lockable, Waterproof, UV Resistant, BlackGreesum 100 Gallon Outdoor Storage Box with Lid, Lockable, Waterproof, UV Resistant, BlackBest Value for Moderate Outdoor Storage with SecurityMaterial: ResinColor: BlackProduct Size: 48″(L) x 26.8″(W) x 22.4″(H)VIEW LATEST PRICESee Our Full Breakdown
Greesum Outdoor Storage Box 82 Gallon Waterproof and UV Resistant Storage Bin with Lid for Patio Furniture, Garden Tools, Pool Supplies, Lockable, BlackGreesum Outdoor Storage Box 82 Gallon Waterproof and UV Resistant Storage Bin with Lid for Patio Furniture, Garden Tools, Pool Supplies, Lockable, BlackBest for Easy Assembly and Moderate Outdoor StorageCapacity: 82 gallonsMaterial: ResinColor: BlackVIEW LATEST PRICESee Our Full Breakdown
Garvee 73 Gallon Waterproof Large Resin Deck Box with Lockable Storage, Indoor/Outdoor Patio Furniture and Tool Storage, BlackGarvee 73 Gallon Waterproof Large Resin Deck Box with Lockable Storage, Indoor/Outdoor Patio Furniture and Tool Storage, BlackBest for Multi-Functional Storage and SeatingCapacity: 73 gallonsMaterial: ResinColor: BlackVIEW LATEST PRICESee Our Full Breakdown
Devoko 120 Gallon Outdoor Resin Storage Box with BenchDevoko 120 Gallon Outdoor Resin Storage Box with BenchBest for Large Capacity and Decorative UseCapacity: 120 gallonsMaterial: ResinDesign: Wood-like grainVIEW LATEST PRICESee Our Full Breakdown
Specs at a glance
waterproof pool storage containerMaterialCapacityColorDimensions
320 Gallon Outdoor Storage BoxPolypropylene, Iron320 gallonsBlack67.88"L x 32.28"W x 33.74"H
Keter 150 Gallon Resin Large DResin150 gallonsBrown
Lifetime 60012 Extra Large DecHigh-density polyethylene (HDPE)Desert Sand/Brown
Devoko 100 Gallon Waterproof RResin100 gallonsBlack48"L x 22"W x 24.5"H
VEVOR Outdoor Storage BoxPE Waterproof Tarpaulin230 gallons
Devoko 30 Gallon Resin Deck BoPolypropylene30 gallonsBlack22 x 16 x 20 inches
320 Gallon Waterproof Outdoor UV resistant resin320 gallons67.88”L x 32.28”W x 33.74”H
35 Gallon Outdoor Deck Box witResin35 gallons22"L x 17"W x 21"H
150 Gallon Waterproof Outdoor Resin, Polypropylene, Wood150 gallonsBlack54.25" x 26.5" x 24.21"
Keter Marvel Plus 71 Gallon RePolypropylene resin71 gallonsBrown45.9" W x 17.4" D x 22.2" H
TARKARI 320 Gallon Lockable ReHigh-quality resin320 gallons67.72 in. L x 32.2 in. W x 33.66 in. H
Greesum 100 Gallon Outdoor StoResin100 gallonsBlack
Greesum Outdoor Storage Box 82Resin82 gallonsBlack
Garvee 73 Gallon Waterproof LaResin73 gallonsBlack
Devoko 120 Gallon Outdoor ResiResin120 gallons

More Details on Our Top Picks

  1. 320 Gallon Outdoor Storage Box – Waterproof, UV Resistant Deck Box for Patio Furniture, Cushions, Garden Tools, and Pool Accessories

    320 Gallon Outdoor Storage Box - Waterproof, UV Resistant Deck Box for Patio Furniture, Cushions, Garden Tools, and Pool Accessories

    Best Overall for Large Capacity and Weather Resistance

    View Latest Price

    This 320-gallon storage box stands out for its massive capacity, making it ideal for families or communities with extensive pool and patio gear. Its heavy-duty polypropylene and iron construction offer superior waterproofing and UV resistance compared to smaller, resin-only options like the Keter 150 Gallon Resin Large Deck Box. The lockable lid enhances security, though it doesn’t include locks, which could be a concern for valuables. The internal supports ensure stability despite its weight, and assembly is straightforward, taking about 20 minutes without tools. Limited color choices might not suit all decor styles, but its durability under harsh weather conditions makes it a practical choice for long-term outdoor storage. Compared to the 150-gallon option, its larger size means more space but also more effort to move. This pick makes the most sense for those needing serious storage volume and weatherproof protection without frequent relocation.

    Pros:
    • Enormous 320-gallon capacity for all-season storage
    • Heavy-duty UV-resistant resin and iron for durability
    • Easy snap assembly without tools in 20 minutes
    • Lockable lid for added security
    Cons:
    • No included locks, requiring additional purchase for security
    • Heavy weight may necessitate assistance to move
    • Limited color options

    Best for: Large households or commercial outdoor spaces needing extensive, weatherproof storage

    Not ideal for: Individuals with limited outdoor space or those who prioritize portability and lightweight design

    • Capacity:320 gallons
    • Dimensions:67.88″L x 32.28″W x 33.74″H
    • Material:Polypropylene, Iron
    • Maximum Weight Support:1000 lbs
    • Color:Black
    • Shape:Rectangular
    Our verdict
    “Best suited for users needing maximum storage capacity and weatherproof durability in a permanent outdoor setting.”
  2. Keter 150 Gallon Resin Large Deck Box for Patio and Outdoor Storage

    Keter 150 Gallon Resin Large Deck Box for Patio and Outdoor Storage

    Best Value for Versatile Lockable Storage and Seating

    View Latest Price

    The Keter 150 Gallon Resin Deck Box offers a balanced combination of capacity, durability, and versatility, making it ideal for homeowners seeking a reliable, lockable outdoor storage solution that doubles as seating. Its resin construction provides all-weather resistance, comparable to the heavy-duty plastic of the 320 Gallon Outdoor Storage Box, but in a more manageable size. The hydraulic pistons facilitate smooth lid operation, which is a step up from simpler snap-in designs, though assembly can take some effort. Its 150 gallons of capacity are sufficient for most outdoor gear, and the lockable feature adds peace of mind. The limited color options may not match all aesthetics, but the ability to sit comfortably on top makes it a smart choice for small patios or decks. Compared with the larger 320-gallon box, it’s less bulky but still provides ample space for outdoor storage with added seating convenience.

    Pros:
    • Large 150-gallon capacity suitable for multiple outdoor items
    • Weatherproof, durable resin construction
    • Hydraulic pistons for smooth lid operation
    • Can be used as seating for two adults
    Cons:
    • Heavy to move once filled
    • Assembly can be time-consuming and requires effort
    • Limited color options

    Best for: Homeowners needing a durable, lockable storage solution with seating capability for small patios

    Not ideal for: Users requiring extremely large storage or those who need frequent heavy-moving capabilities

    • Capacity:150 gallons
    • Exterior Dimensions:61″ L x 28.34″ W x 25.19″ H
    • Interior Dimensions:56″ L x 24.6″ W x 22.8″ H
    • Material:Resin
    • Color:Brown
    • Seating Capacity:2 adults
    Our verdict
    “Ideal for homeowners needing a secure, weather-resistant storage box that doubles as outdoor seating without excessive bulk.”
  3. Lifetime 60012 Extra Large Deck Box, 130 Gallon, Desert Sand/Brown

    Lifetime 60012 Extra Large Deck Box, 130 Gallon, Desert Sand/Brown

    Best for Stylish and Secure Outdoor Storage

    View Latest Price

    This 130-gallon deck box combines style with practicality, featuring a two-tone high-density polyethylene design that complements outdoor decor. Its lockable lid with a spring hinge provides gentle closure, a step above simpler latch mechanisms, and it offers good security for outdoor tools and cushions. Compared to the 150-gallon resin box, it’s slightly smaller but offers a more aesthetic appearance suitable for visible outdoor spaces. Its durable HDPE construction resists weather and UV damage, making it a reliable choice for permanent outdoor storage. However, its weight and size can make relocation cumbersome, and the limited color options mean it may not match every style. This model is best for users who value appearance as much as functionality, especially in more visible or landscaped settings.

    Pros:
    • Stylish two-tone design enhances outdoor aesthetics
    • 130-gallon capacity sufficient for most outdoor needs
    • Lockable lid with spring hinge for easy access
    • Durable HDPE material resists weathering
    Cons:
    • Heavy and bulky to move
    • Limited color options
    • Smaller capacity compared to larger boxes

    Best for: Homeowners wanting an attractive, secure outdoor storage solution that blends into garden aesthetics

    Not ideal for: Those needing very large capacity or frequent relocation, due to weight and size

    • Exterior Dimensions:5 ft. L x 2 ft. W x 2 ft. 2.5 in. H
    • Interior Capacity:130 Gallons
    • Material:High-density polyethylene (HDPE)
    • Hinges:Powder-coated steel
    • Color:Desert Sand/Brown
    Our verdict
    “Best suited for users seeking a stylish, secure storage box that complements outdoor decor without requiring maximum capacity.”
  4. Devoko 100 Gallon Waterproof Resin Deck Box, Large Outdoor Storage Container for Patio Furniture Cushions, Garden Tools & Pool Supplies

    Devoko 100 Gallon Waterproof Resin Deck Box, Large Outdoor Storage Container for Patio Furniture Cushions, Garden Tools & Pool Supplies

    Best for Budget-Conscious Users Needing Versatility

    View Latest Price

    The Devoko 100 Gallon Waterproof Resin Deck Box provides a practical storage option for those on a budget who still want weatherproof protection. Its resin construction offers comparable waterproofing to pricier models like the Greesum 100 Gallon Outdoor Storage Box, but with a slightly smaller capacity. Its lockable lid and UV-resistant features add security and durability, while dual gas struts make opening smooth. It’s also versatile enough to serve as extra seating with a 500-lb weight capacity, a feature that adds value for small patios or decks. The primary tradeoff is its weight when filled, which can make regular relocation challenging. Limited color options mean it might not match all outdoor aesthetics, but its affordability and functional design make it appealing for casual or budget-conscious users.

    Pros:
    • Large 100-gallon capacity for outdoor storage
    • Weather-resistant, waterproof resin construction
    • Lockable lid with gas struts for easy access
    • Can serve as extra seating with high weight capacity
    Cons:
    • Heavy when filled, difficult to move often
    • Limited color options
    • Capacity smaller than larger premium options

    Best for: Budget-minded homeowners requiring a waterproof, lockable storage solution with seating potential

    Not ideal for: Users needing very large capacity or frequent heavy-moving, due to weight and size

    • Material:Resin
    • Capacity:100 gallons
    • Dimensions:48″L x 22″W x 24.5″H
    • Weight:55 pounds
    • Color:Black
    • Features:UV-protected, waterproof, lockable lid, dual gas struts
    Our verdict
    “Best for budget-conscious buyers who want a reliable, waterproof outdoor storage box with seating options.”
  5. VEVOR Outdoor Storage Box, 230 Gallon Waterproof PE Tarpaulin Deck Box with Galvanized Frame, All-Weather Portable Storage for Garden, Poolside, and Yard, Black & Green

    VEVOR Outdoor Storage Box, 230 Gallon Waterproof PE Tarpaulin Deck Box with Galvanized Frame, All-Weather Portable Storage for Garden, Poolside, and Yard, Black & Green

    Best for Portability and Easy Assembly

    View Latest Price

    The VEVOR 230 Gallon Waterproof PE Tarpaulin Deck Box offers a large capacity with a lightweight, portable design, making it ideal for users who need flexibility in outdoor storage. Its galvanized steel frame combined with waterproof PE tarpaulin provides robust weather resistance, comparable to heavier resin boxes like the Keter 150 Gallon Resin Deck Box, but with significantly less weight—just 17.2 lbs. Assembly is straightforward, with no tools required, and handles facilitate easy relocation. Its ventilation mesh vent helps prevent moisture buildup, although the limited color options (Black & Green) might not suit all styles. This model excels in situations where frequent moving or temporary outdoor storage is necessary, but it offers less security for valuables due to the open design and minimal locks.

    Pros:
    • Enormous 230-gallon capacity in a lightweight design
    • Weatherproof PE tarpaulin with galvanized steel frame
    • Easy to assemble without tools
    • Handles for effortless relocation
    Cons:
    • Limited color options (Black & Green)
    • Less secure for valuables without locks
    • Open mesh vent could allow moisture ingress

    Best for: Gardeners and outdoor enthusiasts needing a portable, large-capacity storage solution for seasonal use

    Not ideal for: Users requiring high security or permanent, fixed storage for valuable items

    • Capacity:230 gallons
    • Interior Dimensions:57.9″ x 33.9″ x 42.5″ x 30.3″
    • Material:PE Waterproof Tarpaulin
    • Frame:Galvanized steel
    • Weight:17.2 lbs
    • Features:Mesh vent, portable handles
    Our verdict
    “Ideal for users seeking a large, portable, weather-resistant storage solution that can be moved easily around outdoor spaces.”
  6. Devoko 30 Gallon Resin Deck Box Waterproof Outdoor Storage Box for Patio Furniture Pool Accessories Indoor Storage for Cushion Garden Tools

    Devoko 30 Gallon Resin Deck Box Waterproof Outdoor Storage Box for Patio Furniture Pool Accessories Indoor Storage for Cushion Garden Tools

    Best Compact and Versatile Storage with Seating

    View Latest Price

    This 30-gallon resin deck box stands out for its compact size and dual function as extra seating, supporting up to 220 pounds. Compared to larger options like the 320-gallon waterproof box, it offers easier placement in small patios or decks but sacrifices internal height, which may limit larger items. Its UV-resistant, waterproof resin ensures durability outdoors, while the lockable lid adds security for valuables. The quick assembly process makes it a practical choice for those who want reliable storage without complexity. However, its basic aesthetic may not appeal to all, and the limited capacity means it’s better suited for smaller accessories and cushions rather than bulky equipment.

    Pros:
    • Waterproof and UV-resistant for outdoor durability
    • Can serve as an extra seat supporting up to 220 pounds
    • Quick, five-minute assembly
    Cons:
    • Limited internal height restricts larger items
    • Basic design may not suit all aesthetic preferences

    Best for: Small patios or decks needing a compact, multi-functional storage solution that can double as seating

    Not ideal for: Homeowners with large pool equipment or extensive garden tools requiring more space

    • Capacity:30 gallons
    • Dimensions:22 x 16 x 20 inches
    • Weight:8.8 pounds
    • Material:Polypropylene
    • Color:Black
    • Shape:Square
    • Maximum Weight Recommendation:220 pounds
    Our verdict
    “This pick is ideal for small outdoor spaces needing discreet storage combined with seating functionality.”
  7. 320 Gallon Waterproof Outdoor Storage Box with Hydraulic Lid, UV Resistant Resin Deck Storage Chest for Patio, Garden, and Pool (Black)

    320 Gallon Waterproof Outdoor Storage Box with Hydraulic Lid, UV Resistant Resin Deck Storage Chest for Patio, Garden, and Pool (Black)

    Best for Large Capacity and Weather Resistance

    View Latest Price

    This 320-gallon storage chest offers massive capacity, making it perfect for bulky pool equipment, cushions, and gardening tools. Unlike smaller boxes like the Devoko 30-gallon model, it provides ample space to store everything in one place, reducing clutter. Its waterproof and UV-resistant resin ensures durability through all seasons, while the hydraulic lid guarantees smooth operation, unlike some manual-lift designs that can be cumbersome. The high weight support (230 lbs) allows it to double as a seat or table. Nevertheless, assembly can be tricky due to panel alignment, and its weight when full can make repositioning difficult, requiring help. It’s best suited for those with enough space and the need for extensive outdoor storage.

    Pros:
    • Enormous 320-gallon capacity for substantial storage
    • Weatherproof and UV resistant for all-season outdoor use
    • Multi-functional as a seat or table with high weight support
    • Hydraulic lid offers smooth, effortless opening
    Cons:
    • Assembly may require careful panel alignment
    • Heavy when fully loaded, difficult to move alone

    Best for: Homes with large outdoor storage needs, such as extensive pool or garden equipment collections

    Not ideal for: Small patios or indoor spaces where size and weight could be problematic

    • Capacity:320 gallons
    • Dimensions:67.88”L x 32.28”W x 33.74”H
    • Material:UV resistant resin
    • Weight support (seat/table):230 lbs
    • Assembly:Tool-free, 20 minutes
    Our verdict
    “This is the best choice for large outdoor areas needing durable, weatherproof, high-capacity storage solutions.”
  8. 35 Gallon Outdoor Deck Box with Lid, Waterproof Lockable Resin Storage Container for Patio Cushions, Pool Toys, Garden Tools, and Porch Packages, Grey

    35 Gallon Outdoor Deck Box with Lid, Waterproof Lockable Resin Storage Container for Patio Cushions, Pool Toys, Garden Tools, and Porch Packages, Grey

    Best Multi-Functional Storage and Seating in a Compact Size

    View Latest Price

    This 35-gallon resin deck box strikes a balance between size and function, offering waterproof storage for cushions, pool toys, and garden tools. Compared with larger options like the 150-gallon resin box, it is more suited for smaller spaces but provides similar weatherproof protection and security with a lockable lid. Its dual role as a bench adds versatility, though the absence of a lock may be a concern for valuables. Assembly takes around 15 minutes, making it accessible for DIYers. Its limited weight capacity as a bench and potential bulkiness could be drawbacks in tight spaces. Still, it’s a solid choice for those needing a compact, secure storage solution that doubles as outdoor seating.

    Pros:
    • Waterproof and weatherproof construction
    • Multi-functional as a bench and storage
    • Secure lockable lid for valuables and deliveries
    • Easy, tool-free assembly
    Cons:
    • Lock not included, may require additional purchase
    • Limited weight capacity for bench use

    Best for: Small to medium-sized patios needing secure, weatherproof storage with seating capability

    Not ideal for: Large families with extensive outdoor equipment or those needing heavy-duty seating

    • Capacity:35 gallons
    • Dimensions:22″L x 17″W x 21″H
    • Material:Resin
    • Assembly Time:15 minutes
    Our verdict
    “This container offers a practical mix of weatherproof storage and seating for small to medium outdoor spaces.”
  9. 150 Gallon Waterproof Outdoor Storage Box, Resin Deck Box, Lockable Outside Storage Container for Patio Furniture, Garden, Tools

    150 Gallon Waterproof Outdoor Storage Box, Resin Deck Box, Lockable Outside Storage Container for Patio Furniture, Garden, Tools

    Best for Multi-Functional Storage with Modern Style

    View Latest Price

    This 150-gallon resin deck box combines ample storage with a sleek, modern look, making it suitable for storing cushions, tools, and pool accessories. Its 2-in-1 design allows it to serve as a seat or side table, providing extra flexibility compared to single-purpose containers like the Devoko 30-gallon box. The waterproof and weather-resistant features make it reliable outdoors, but the black color and resin material limit aesthetic variety. Assembly is straightforward, but the weight when filled can be significant. The absence of a lock mechanism may be a concern for securing valuables, so it’s better for items not requiring high security. This model is ideal for those wanting a stylish, versatile, and sizable outdoor storage solution.

    Pros:
    • Weather-resistant and suitable for outdoor use
    • Large 150-gallon capacity for versatile storage
    • Multi-functional as seating or side table
    • Easy snap-on assembly
    Cons:
    • No lock mechanism for added security
    • Heavy when filled, difficult to reposition

    Best for: Design-conscious homeowners needing large, multi-use outdoor storage that looks modern

    Not ideal for: Budget-conscious buyers seeking lockable security or lightweight options

    • Capacity:150 gallons
    • Dimensions:54.25″ x 26.5″ x 24.21″
    • Material:Resin, Polypropylene, Wood
    • Color:Black
    Our verdict
    “This stylish, multi-use storage box is perfect for those prioritizing design and versatility in outdoor storage.”
  10. Keter Marvel Plus 71 Gallon Resin Outdoor Storage Box for Patio Furniture Cushions, Throw Pillows, Garden Tools, and Pool Floats

    Keter Marvel Plus 71 Gallon Resin Outdoor Storage Box for Patio Furniture Cushions, Throw Pillows, Garden Tools, and Pool Floats

    Best for Moderate Capacity and Heavy Use

    View Latest Price

    The Keter Marvel Plus offers a balanced 71-gallon capacity, making it suitable for cushions, pool floats, and garden tools. Its high weight capacity (485 lbs) allows it to double as a sturdy bench, unlike smaller boxes such as the Devoko 30-gallon. The weather-resistant resin ensures durability in various climates, and the tool-free assembly makes setup straightforward. However, its interior dimensions are somewhat limited, potentially restricting larger items, and the aesthetic may not appeal to those seeking a more decorative look. While it provides excellent functionality for moderate outdoor storage, its heavier weight when filled could pose handling challenges. This makes it a good fit for those needing reliable, multi-purpose storage without excessive size.

    Pros:
    • Weather-resistant and highly durable
    • Large 71-gallon capacity for versatile use
    • Supports up to 485 lbs and functions as a bench
    • Easy to assemble without tools
    Cons:
    • Limited interior space for larger items
    • Design may not match all outdoor aesthetics

    Best for: Homeowners seeking a durable, multi-purpose outdoor storage bench with moderate capacity

    Not ideal for: Those needing large-capacity storage or a decorative aesthetic

    • Dimensions:45.9″ W x 17.4″ D x 22.2″ H
    • Interior Dimensions:44.6″ W x 15.6″ D x 20″ H
    • Capacity:71 gallons
    • Material:Polypropylene resin
    • Color:Brown
    • Weight Capacity:485 lbs
    Our verdict
    “This storage bench offers a practical combination of durability, capacity, and seating for moderate outdoor storage needs.”
  11. TARKARI 320 Gallon Lockable Resin Deck Box, Waterproof & UV-Resistant Outdoor Storage

    TARKARI 320 Gallon Lockable Resin Deck Box, Waterproof & UV-Resistant Outdoor Storage

    Best Overall for Large Outdoor Storage and Versatility

    View Latest Price

    This 320-gallon resin deck box stands out for its enormous capacity, making it ideal for those who need to store a variety of outdoor items without sacrificing space. Compared with the 100-gallon Greesum or the 82-gallon Greesum storage boxes, it offers significantly more room, though it comes with the tradeoff of increased weight and less portability. Its waterproof and UV-resistant design ensures durability against the elements, while the lockable feature provides security. The ability to double as a seat or table enhances its functionality, making it perfect for large families or outdoor spaces that serve multiple purposes. However, it doesn’t include assembly tools and can be cumbersome to move once filled, so assistance may be needed.

    Pros:
    • Enormous 320-gallon capacity for versatile outdoor storage
    • Waterproof and UV-resistant for long-term outdoor durability
    • Lockable for added security
    • Can double as a patio seat or table
    Cons:
    • No assembly tools included, may require extra effort
    • Heavy when filled, difficult to relocate without help

    Best for: Homeowners needing a large, secure outdoor storage solution for cushions, tools, and pool accessories with occasional seating needs

    Not ideal for: Individuals with limited space or those wanting a lightweight, portable option for smaller patios

    • Dimensions:67.72 in. L x 32.2 in. W x 33.66 in. H
    • Material:High-quality resin
    • Capacity:320 gallons
    • Weight Capacity:1000 pounds
    Our verdict
    “This pick is best suited for users who prioritize large storage capacity and outdoor versatility over portability.”
  12. Greesum 100 Gallon Outdoor Storage Box with Lid, Lockable, Waterproof, UV Resistant, Black

    Greesum 100 Gallon Outdoor Storage Box with Lid, Lockable, Waterproof, UV Resistant, Black

    Best Value for Moderate Outdoor Storage with Security

    View Latest Price

    Compared with the larger TARKARI, the Greesum 100-gallon model offers a more manageable size for mid-sized patios or decks while still providing ample storage. Its lockable lid and weather-resistant resin construction protect garden tools and pool accessories effectively. The hydraulic opening enhances ease of access, but assembly may require some effort despite clear instructions, and the color variation could be a concern for aesthetic matching. This model is well-suited for users who want a secure, durable container that doesn’t dominate their space, but those needing very large capacity might find it limiting.

    Pros:
    • 100-gallon capacity for versatile outdoor storage
    • Lockable lid for security
    • Weatherproof and UV resistant material
    • Hydraulic opening for easy access
    Cons:
    • Assembly can be somewhat effortful
    • Color may vary slightly due to lighting conditions

    Best for: Homeowners with moderate outdoor storage needs looking for a secure, weatherproof box that doubles as a functional tabletop

    Not ideal for: Those requiring large capacity or frequently moving the storage container, as it can be somewhat heavy and less portable

    • Material:Resin
    • Color:Black
    • Product Size:48″(L) x 26.8″(W) x 22.4″(H)
    • Capacity:100 gallons
    Our verdict
    “Ideal for users seeking a secure, weather-resistant storage solution that also functions as a table or bench, with manageable size.”
  13. Greesum Outdoor Storage Box 82 Gallon Waterproof and UV Resistant Storage Bin with Lid for Patio Furniture, Garden Tools, Pool Supplies, Lockable, Black

    Greesum Outdoor Storage Box 82 Gallon Waterproof and UV Resistant Storage Bin with Lid for Patio Furniture, Garden Tools, Pool Supplies, Lockable, Black

    Best for Easy Assembly and Moderate Outdoor Storage

    View Latest Price

    This 82-gallon resin storage bin strikes a balance between capacity and ease of use. Its weatherproof, UV-resistant design ensures durability in outdoor conditions, and the lockable holes and hydraulic brackets add security and safety. Compared to larger options like the TARKARI, it’s easier to handle and assemble, making it suitable for users who want reliable outdoor storage without the bulk. However, the locking mechanism is not included, requiring users to supply their own locks, and assembly may take some time. It’s a good choice for those who want a secure, durable container that’s straightforward to set up and use.

    Pros:
    • Large 82-gallon storage capacity
    • Weatherproof and UV resistant
    • Can be used as a seat or table
    • Relatively easy to assemble
    Cons:
    • Locking mechanism not included
    • Assembly can require some time and effort

    Best for: Gardeners or pool owners seeking a durable, lockable storage bin that is simple to assemble and maintain

    Not ideal for: People needing very large capacity or maximum security with built-in locks, as lock hardware is absent

    • Capacity:82 gallons
    • Material:Resin
    • Color:Black
    • Weather Resistance:Waterproof, UV resistant
    Our verdict
    “This model fits users who want a reliable, weatherproof outdoor storage bin with straightforward assembly and moderate capacity.”
  14. Garvee 73 Gallon Waterproof Large Resin Deck Box with Lockable Storage, Indoor/Outdoor Patio Furniture and Tool Storage, Black

    Garvee 73 Gallon Waterproof Large Resin Deck Box with Lockable Storage, Indoor/Outdoor Patio Furniture and Tool Storage, Black

    Best for Multi-Functional Storage and Seating

    View Latest Price

    Compared with the Greesum options, the Garvee 73-gallon deck box offers a slightly smaller capacity but emphasizes multi-functionality with lockable latches and a 500-pound weight capacity for seating. Its tool-free, snap-together assembly makes it accessible for users who want quick setup without tools, and its waterproof, UV-resistant resin ensures outdoor resilience. The main tradeoff is its limited outdoor-only use and the weight when filled, which might make repositioning difficult. It’s ideal for users who want a combination of storage and seating in a compact footprint, especially in smaller patios or multi-use spaces.

    Pros:
    • Waterproof and UV-resistant for outdoor durability
    • Lockable latches for security
    • Multi-functional as storage and seating
    • Tool-free, snap-together assembly
    Cons:
    • Limited outdoor-only use
    • Heavy when filled, difficult to move

    Best for: Homeowners needing a combined storage and seating solution for outdoor patios that’s easy to assemble

    Not ideal for: People requiring very large capacity or those who prefer a dedicated storage-only container, as it’s more compact and multifunctional

    • Capacity:73 gallons
    • Material:Resin
    • Color:Black
    • Weight Capacity:500 lbs
    Our verdict
    “This pick suits users wanting an easy-to-assemble, multi-purpose outdoor bench and storage container in a compact size.”
  15. Devoko 120 Gallon Outdoor Resin Storage Box with Bench

    Devoko 120 Gallon Outdoor Resin Storage Box with Bench

    Best for Large Capacity and Decorative Use

    View Latest Price

    The Devoko 120-gallon resin storage bench combines ample capacity with a decorative, wood-like design, making it suitable for those who want both practicality and style. Its water-resistant resin construction and reinforced sides provide outdoor resilience, while the hydraulic hinge aids in smooth operation. Compared with the larger TARKARI, it offers slightly less capacity but excels in aesthetic appeal and indoor versatility. The absence of detailed lock mechanisms means security features are limited, and it can be quite heavy when filled, impacting portability. This option makes the most sense for users prioritizing large capacity with a decorative touch for their patio or garden.

    Pros:
    • Large 120-gallon capacity
    • Decorative, wood-like grain design
    • Water-resistant resin for outdoor use
    • Reinforced sides and hydraulic hinge for safety
    Cons:
    • No detailed lock mechanism specified
    • Potentially heavy when filled

    Best for: Homeowners seeking a large, stylish storage bench that enhances their outdoor decor while providing substantial storage

    Not ideal for: Those needing frequent mobility or a focus solely on security, as lock details are minimal and it’s potentially heavy

    • Capacity:120 gallons
    • Material:Resin
    • Design:Wood-like grain
    • Features:Hydraulic hinge, reinforced sides, lockable
    Our verdict
    “This model is ideal for users wanting large outdoor storage combined with a decorative, stylish appearance for their patio or garden.”
waterproof pool storage containers
What makes a great waterproof pool storage container
1
Size and Capacity
Size is often the first consideration; larger containers hold more gear but can be cumbersome to move or fit in tight spaces.
2
Weatherproof and UV Resistance
Weatherproofing and UV resistance are critical for outdoor use.
3
Lockability and Security
Adding a lock can prevent theft or accidental access by children, especially if you store valuable or hazardous items.
4
Material and Durability
Materials like resin, polyethylene, or reinforced plastic are standard for outdoor containers.
How to choose your waterproof pool storage container
1
How we picked
This selection process focused on evaluating each storage container’s waterproofing quality, capacity, durability, and e
2
Size and Capacity
Size is often the first consideration; larger containers hold more gear but can be cumbersome to move or fit in tight sp
3
Weatherproof and UV Resistance
Weatherproofing and UV resistance are critical for outdoor use.
4
Lockability and Security
Adding a lock can prevent theft or accidental access by children, especially if you store valuable or hazardous items.
5
Material and Durability
Materials like resin, polyethylene, or reinforced plastic are standard for outdoor containers.
Vetted waterproof pool storage containers ·
The best waterproof pool storage containers, compared
★ Winner 320 Gallon Outdoor Storage Box
Best Overall for Large Capacity and Weather Resistance
15compared
320 gallonstop capacity
3colors

How We Picked

This selection process focused on evaluating each storage container’s waterproofing quality, capacity, durability, and ease of use. We prioritized products made from UV-resistant and weatherproof materials to withstand outdoor conditions. Additional factors included locking mechanisms for security, ease of opening and closing, and overall build quality for longevity. Products were ranked based on a balance of these features, with an emphasis on value and suitability for outdoor poolside environments.

Factors to Consider When Choosing Waterproof Pool Storage Containers

Choosing the right waterproof pool storage container involves understanding several key factors that affect both functionality and longevity. Beyond just waterproofing, consider how size, security, and material quality impact your purchase. Making a thoughtful choice can prevent the need for frequent replacements and ensure your pool accessories stay protected year-round.

Size and Capacity

Size is often the first consideration; larger containers hold more gear but can be cumbersome to move or fit in tight spaces. Think about your storage needs—do you need to store large pool floats or just small accessories? Overestimating capacity can lead to bulky setups, while underestimating might result in multiple containers or insufficient protection. Balance your space constraints with your storage requirements for a practical solution.

Weatherproof and UV Resistance

Weatherproofing and UV resistance are critical for outdoor use. Containers exposed to sun, rain, and temperature fluctuations will degrade faster if not built for these conditions. Look for models specifically rated as UV resistant and waterproof, especially if they will remain outside year-round. Skimping on these features can result in cracked plastic or water intrusion, damaging stored items.

Lockability and Security

Adding a lock can prevent theft or accidental access by children, especially if you store valuable or hazardous items. However, lockable models tend to cost more and might be slightly more complex to open. Consider whether security is a priority for your situation; if so, investing in a lockable container is worthwhile, but for casual storage, a simple latch may suffice.

Material and Durability

Materials like resin, polyethylene, or reinforced plastic are standard for outdoor containers. A durable, UV-resistant plastic will resist cracking and fading over time. Cheaper materials might save money upfront but often degrade faster, requiring replacement sooner. Also, look for reinforced frames or additional weather seals to extend lifespan.

Ease of Use and Accessibility

Ease of opening and accessing stored items can vary widely. Hydraulic or gas-lift lids provide smooth operation, but they may add to the cost. Consider whether you prefer a hinged lid, a removable top, or a lockable latch. Think about the frequency of access and whether you need a container that opens fully or has a simple lid for quick access.

Additional Features

Some containers offer extra features like internal compartments, drainage channels, or built-in benches. These can add convenience, especially if you want multi-functional use or to keep contents dry and organized. Balance these extras with your budget and space constraints to find the best fit for your outdoor setup.

Frequently Asked Questions

Will a plastic container withstand freezing temperatures?

Most plastic storage containers are designed for outdoor use, but prolonged exposure to freezing temperatures can make some plastics brittle and prone to cracking. Look for models specifically rated for low temperatures or made from thicker, reinforced materials. If you live in a climate with harsh winters, consider storing the container indoors during the coldest months or choosing one with additional insulation features.

Are lockable containers truly secure against theft?

Lockable containers significantly improve security by deterring casual theft or unwanted access. However, no outdoor lock is completely theft-proof—determined intruders might still bypass locks. For high-value items, consider additional security measures like alarmed systems or placing the container in a less accessible location. For general purposes, a quality lockable container provides peace of mind without adding much complexity.

How important is UV resistance if I store items indoors?

If your container will be stored indoors or in shaded areas, UV resistance becomes less critical. However, if it’s kept outdoors or in areas exposed to sunlight, UV protection can significantly prolong the container’s lifespan by preventing cracking and fading. Even indoor storage can benefit from UV-rated plastics if the container is near windows or bright lighting, reducing overall wear.

Can I use a regular outdoor storage box for pool chemicals?

While some outdoor storage boxes are suitable for pool accessories and furniture, they may not be appropriate for storing pool chemicals. Pool chemicals require containers that are chemical-resistant and often have special ventilation. Using a standard plastic deck box for chemicals might pose safety risks or cause material degradation. Always check the manufacturer’s recommendations for chemical storage before repurposing a container.

What’s the best size for a beginner who only stores a few accessories?

For those just starting out or with limited storage needs, a smaller container around 30 to 70 gallons can be sufficient. These models are easier to move, less expensive, and easier to fit into compact spaces. They are ideal for storing pool toys, small floats, or cleaning supplies without overwhelming your patio or deck area. Larger containers are better suited for seasoned pool owners with extensive gear.

Conclusion

If you need the best overall waterproof pool storage container, the 320 Gallon Outdoor Storage Box offers ample capacity with excellent weather resistance. For those on a budget or with smaller storage needs, the Keter 150 Gallon Resin Deck Box is a reliable choice. Beginners or casual users will appreciate the ease of use of smaller options like the Devoko 30 Gallon Resin Deck Box. For high-security requirements, lockable models like the TARKARI 320 Gallon Lockable Resin Deck Box provide peace of mind. Ultimately, your choice depends on your storage size, security needs, and outdoor conditions—consider these factors carefully to find the perfect fit.

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