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When seeking waterproof outdoor storage boxes, the key considerations often include durability, capacity, and ease of use. The Outdoor Storage Box, 160 Gallon Waterproof Resin Deck Box stands out as the best overall for its large capacity and robust build. For those prioritizing affordability, the EasyUp 50 Gallon Waterproof Deck Box offers a compact yet reliable solution. Meanwhile, the Keter Westwood 150-Gallon Storage Box is ideal for patio and pool accessories thanks to its stylish design. The main tradeoffs in this category involve balancing size against portability and price versus long-term durability. Continue reading for a detailed comparison to help you find the perfect fit for your outdoor storage needs.

13
compared
8
brands
6
materials
160 gallons
max capacity
Which waterproof outdoor storage boxe should you buy?
★ Top Pick
Outdoor Storage Box
Best Overall for Large-Scale Outdoor Storage and Seating
Very large capacity for yard, pool, or outdoor clutter
See on Amazon →
Families seeking a secure, weatherproof storage box that doubles as outdoor seating with ample capacity.
Keter Westwood 150-Gallon Outd
Large capacity suitable for yard and pool accessories
View on Amazon →
Small patio owners or apartment dwellers who want a stylish, secure, and versatile storage solution that doubles as seating.
Keter Marvel Plus 71 Gallon Re
Weather-resistant, durable resin construction
View on Amazon →
Homeowners wanting a lockable, weatherproof storage bench for outdoor use that also offers comfortable seating.
Devoko 100 Gallon Waterproof R
Weather-resistant and durable resin material
View on Amazon →
Budget-conscious homeowners or apartment dwellers needing a secure, easy-to-assemble outdoor storage box for smaller items.
EasyUp 50 Gallon Outdoor Stora
Weatherproof and durable resin construction
View on Amazon →
Capacity — compared
Outdoor Storage Box160 gallons
Keter Westwood 150-Gallon Outd150 gallons
Keter Marvel Plus 71 Gallon Re71 gallons
Devoko 100 Gallon Waterproof R100 gallons
EasyUp 50 Gallon Outdoor Stora50 gallons
EAST OAK Outdoor Storage Box60 gallons
KAMABOKO Outdoor Storage Box150 gallons
35 Gallon Outdoor Lockable Wat35 gallons
Keter Premium Everwood 50 Gall50 gallons
Devoko 120 Gallon Resin Outdoo120 gallons
Keter Outdoor Storage Deck Box110 gallons
Pros & cons at a glance
Outdoor Storage Box
✓ Very large capacity for yard, pool, or outdoor clutter
✗ Heavy when filled, difficult to move alone
Keter Westwood 150-Gallon Outd
✓ Large capacity suitable for yard and pool accessories
✗ Heavy and difficult to move
Keter Marvel Plus 71 Gallon Re
✓ Weather-resistant, durable resin construction
✗ Limited interior dimensions for larger items
Devoko 100 Gallon Waterproof R
✓ Weather-resistant and durable resin material
✗ Heavy to move when filled
EasyUp 50 Gallon Outdoor Stora
✓ Weatherproof and durable resin construction
✗ Lock not included, requiring an additional purchase
EAST OAK Outdoor Storage Box
✓ Waterproof and UV resistant for outdoor durability
✗ Limited color options (only grey)
LIFETIME 60012 Extra Large Dec
✓ Large 130-gallon capacity for ample storage
✗ Heavy when fully loaded
KAMABOKO Outdoor Storage Box
✓ Huge 150-gallon capacity for extensive storage
✗ Heavy to move despite lightweight design
35 Gallon Outdoor Lockable Wat
✓ Waterproof and UV-resistant for all-weather use
✗ Lock not included
Keter Premium Everwood 50 Gall
✓ Weather-resistant and durable construction
✗ Limited to 50-gallon capacity
Devoko 120 Gallon Resin Outdoo
✓ Large 120-gallon capacity for ample storage
✗ Heavy and may require assistance for moving
Keter Outdoor Storage Deck Box
✓ Durable, weather-resistant resin with stylish wicker finish
✗ Lock not included, requiring an additional purchase
Keter Kentwood 92 Gallon Outdo
✓ Large 92-gallon storage capacity
✗ Assembly may take some time despite being tool-free

Key Takeaways

  • Larger capacity boxes generally offer better value for storing multiple outdoor items but tend to be heavier and less portable.
  • Resin and plastic materials are common for waterproofing, yet their UV resistance varies, impacting longevity under sun exposure.
  • Lockable lids add security but may complicate access or increase costs; consider your need for security versus convenience.
  • Design features like support rods and reinforced lids significantly improve durability, especially for heavy loads or frequent use.
  • Price often correlates with size and build quality; higher-priced options tend to last longer and resist weather better.
2
Keter Westwood 150-Gallon Outd
Best for Lockable, Secure Storage with Dual Functionality
1
Outdoor Storage Box
Best Overall for Large-Scale Outdoor Storage and Seating
3
Keter Marvel Plus 71 Gallon Re
Best for Compact, Versatile Storage with Seating Capacity

Our Top Waterproof Outdoor Storage Boxes Picks

Outdoor Storage Box, 160 Gallon Waterproof Resin Deck Box with Support RodOutdoor Storage Box, 160 Gallon Waterproof Resin Deck Box with Support RodBest Overall for Large-Scale Outdoor Storage and SeatingCapacity: 160 gallonsMaterial: Polypropylene resinDesign: Woven rattan textureVIEW LATEST PRICESee Our Full Breakdown
Keter Westwood 150-Gallon Outdoor Storage Box for Patio and Pool AccessoriesKeter Westwood 150-Gallon Outdoor Storage Box for Patio and Pool AccessoriesBest for Lockable, Secure Storage with Dual FunctionalityCapacity: 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
Keter Marvel Plus 71 Gallon Resin Deck BoxKeter Marvel Plus 71 Gallon Resin Deck BoxBest for Compact, Versatile Storage with Seating CapacityDimensions: 45.9 in W x 17.4 in D x 22.2 in HInterior Dimensions: 44.6 in W x 15.6 in D x 20 in HCapacity: 71 gallonsVIEW LATEST PRICESee Our Full Breakdown
Devoko 100 Gallon Waterproof Resin Deck BoxDevoko 100 Gallon Waterproof Resin Deck BoxBest for Secure, Modern Storage with Seating PotentialCapacity: 100 gallonsInner Dimensions: 47.8″L x 21.4″W x 24.6″HMaterial: ResinVIEW LATEST PRICESee Our Full Breakdown
EasyUp 50 Gallon Outdoor Storage Box Waterproof Lockable Deck BoxEasyUp 50 Gallon Outdoor Storage Box Waterproof Lockable Deck BoxBest Budget-Friendly Compact Storage with SecurityCapacity: 50 gallonsMaterial: ResinWeather Resistance: Waterproof, UV-resistantVIEW LATEST PRICESee Our Full Breakdown
EAST OAK Outdoor Storage Box, 60 Gallon Waterproof Resin Deck Box for Patio Cushions and Gardening Tools, Lockable, UV Resistant, GreyEAST OAK Outdoor Storage Box, 60 Gallon Waterproof Resin Deck Box for Patio Cushions and Gardening Tools, Lockable, UV Resistant, GreyBest Overall for Versatile Outdoor UseMaterial: Upgraded ResinCapacity: 60 gallonsOuter Dimensions: 42.1″L x 17″W x 21.6″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 Large Capacity for Heavy-Duty 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
KAMABOKO Outdoor Storage Box, 150 Gallon Large Waterproof Resin Deck Box with Lockable Lid, BlackKAMABOKO Outdoor Storage Box, 150 Gallon Large Waterproof Resin Deck Box with Lockable Lid, BlackBest for Large, Stylish Storage NeedsMaterial: ResinCapacity: 150 gallonsDimensions: 47in x 21in x 23.9inVIEW LATEST PRICESee Our Full Breakdown
35 Gallon Outdoor Lockable Waterproof Deck Box – Black35 Gallon Outdoor Lockable Waterproof Deck Box - BlackBest Compact Waterproof Storage for Small SpacesCapacity: 35 gallonsDimensions: 22.09″L x 17.09″W x 20.87″HMaterial: Iron, Polypropylene, WoodVIEW LATEST PRICESee Our Full Breakdown
Keter Premium Everwood 50 Gallon Outdoor Storage Box and Patio Side TableKeter Premium Everwood 50 Gallon Outdoor Storage Box and Patio Side TableBest Dual-Function Storage and SeatingCapacity: 50 gallonsMaterial: Weather-resistant resinAssembly: Tool-free, under 10 minutesVIEW LATEST PRICESee Our Full Breakdown
Devoko 120 Gallon Resin Outdoor Storage Deck Box Waterproof Large Storage BenchDevoko 120 Gallon Resin Outdoor Storage Deck Box Waterproof Large Storage BenchBest Overall for Large Capacity and VersatilityCapacity: 120 gallonsItem Dimensions: 52.2″L x 24.2″W x 25.2″HMaterial: ResinVIEW LATEST PRICESee Our Full Breakdown
Keter Outdoor Storage Deck Box for Patio, Backyard & Garden, Borneo, 110 Gal, Grey – Lockable, Waterproof Plastic Container BenchKeter Outdoor Storage Deck Box for Patio, Backyard & Garden, Borneo, 110 Gal, Grey - Lockable, Waterproof Plastic Container BenchBest for Secure, Dual-Purpose Storage and SeatingCapacity: 110 gallonsExterior Dimensions: 51″ L x 27.6″ W x 24.6″ HInterior Dimensions: 45.2″ L x 23.4″ W x 21.3″ HVIEW LATEST PRICESee Our Full Breakdown
Keter Kentwood 92 Gallon Outdoor Storage Box for Patio and Pool AccessoriesKeter Kentwood 92 Gallon Outdoor Storage Box for Patio and Pool AccessoriesBest for Compact, High-Quality Storage and SeatingDimensions: 50.4″ W x 21.2″ D x 23.2″ HInterior Dimensions: 49.6″ W x 20″ D x 22.8″ HStorage Capacity: 92 gallonsVIEW LATEST PRICESee Our Full Breakdown
Specs at a glance
waterproof outdoor storage boxeMaterialCapacity
Outdoor Storage BoxPolypropylene resin160 gallons
Keter Westwood 150-Gallon OutdResin150 gallons
Keter Marvel Plus 71 Gallon ReResin71 gallons
Devoko 100 Gallon Waterproof RResin100 gallons
EasyUp 50 Gallon Outdoor StoraResin50 gallons
EAST OAK Outdoor Storage BoxUpgraded Resin60 gallons
LIFETIME 60012 Extra Large DecHigh-density polyethylene (HDPE)
KAMABOKO Outdoor Storage BoxResin150 gallons
35 Gallon Outdoor Lockable WatIron, Polypropylene, Wood35 gallons
Keter Premium Everwood 50 GallWeather-resistant resin50 gallons
Devoko 120 Gallon Resin OutdooResin120 gallons
Keter Outdoor Storage Deck BoxPolypropylene resin110 gallons
Keter Kentwood 92 Gallon OutdoResin

More Details on Our Top Picks

  1. Outdoor Storage Box, 160 Gallon Waterproof Resin Deck Box with Support Rod

    Outdoor Storage Box, 160 Gallon Waterproof Resin Deck Box with Support Rod

    Best Overall for Large-Scale Outdoor Storage and Seating

    View Latest Price

    This 160-gallon resin deck box combines generous capacity with a stylish rattan design, making it a versatile choice for yard clutter, pool storage, or porch seating. Compared with the Keter Westwood, it offers similar weatherproofing but slightly less sophisticated aesthetics. Its large size means it can store bulky items and double as outdoor seating, but it can be heavy when filled—potentially challenging for one person to move. The absence of a lock limits security if valuables are stored inside. This model stands out for those who need substantial storage that also functions as outdoor furniture, but it may be less ideal for smaller spaces or users prioritizing security.

    Pros:
    • Very large capacity for yard, pool, or outdoor clutter
    • Weatherproof resin construction resists UV and moisture
    • Stylish rattan texture enhances outdoor decor
    Cons:
    • Heavy when filled, difficult to move alone
    • No lock mechanism for security
    • Limited color options (not specified)

    Best for: Homeowners with ample outdoor space seeking a large, stylish, and dual-purpose storage solution.

    Not ideal for: Small patios or users needing a lockable storage unit for valuables, due to its weight and lack of security features.

    • Capacity:160 gallons
    • Material:Polypropylene resin
    • Design:Woven rattan texture
    • Weatherproof:Yes
    • UV Protected:Yes
    Our verdict
    “This pick is perfect for those needing high-capacity, stylish outdoor storage that doubles as seating, with the tradeoff of weight and security limitations.”
  2. Keter Westwood 150-Gallon Outdoor Storage Box for Patio and Pool Accessories

    Keter Westwood 150-Gallon Outdoor Storage Box for Patio and Pool Accessories

    Best for Lockable, Secure Storage with Dual Functionality

    View Latest Price

    The Keter Westwood offers 150 gallons of weather-resistant storage, making it ideal for keeping patio cushions, pool floats, and garden tools safe from the elements. Its wood-like finish provides a more natural aesthetic compared to resin-only options like the Devoko 100 Gallon. Its automatic lid mechanism makes opening and closing effortless, and the dual-purpose design allows it to serve as extra seating during gatherings. However, its bulkiness and weight can make relocation difficult, and in extreme weather, resin may crack over time—especially in colder climates. Compared to the smaller EasyUp 50 Gallon, it offers more storage but requires more space and effort to handle. This product suits users prioritizing security and a natural look for larger outdoor areas.

    Pros:
    • Large capacity suitable for yard and pool accessories
    • Lockable for added security
    • Resistant to weather and UV exposure
    • Dual-use as outdoor seating
    Cons:
    • Heavy and difficult to move
    • Resin may crack over time in extreme weather
    • Limited color options

    Best for: Families seeking a secure, weatherproof storage box that doubles as outdoor seating with ample capacity.

    Not ideal for: Users with limited space or those needing lightweight, portable options, due to its size and weight.

    • 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
    • Weatherproof:Yes
    Our verdict
    “Ideal for those needing a secure, large outdoor storage solution that can also serve as seating, despite the challenges of weight and maintenance.”
  3. Keter Marvel Plus 71 Gallon Resin Deck Box

    Keter Marvel Plus 71 Gallon Resin Deck Box

    Best for Compact, Versatile Storage with Seating Capacity

    View Latest Price

    The Keter Marvel Plus provides 71 gallons of weather-resistant storage, making it suitable for smaller outdoor areas or as supplementary storage for cushions and tools. Its decorative wood-look texture elevates aesthetic appeal compared to purely plastic options like the EasyUp 50 Gallon. Built-in handles and easy assembly without tools make it user-friendly, while its high seating capacity of 485 lbs adds versatility. However, its interior dimensions might restrict larger items, and its plastic aesthetic may not appeal to everyone seeking a more natural look. The absence of a lock mechanism limits security, unlike the Westwood model. This deck box is a smart choice for users needing a compact, attractive storage addition that can serve as a bench.

    Pros:
    • Weather-resistant, durable resin construction
    • Decorative wood-look finish enhances aesthetics
    • Can be used as extra seating with high weight capacity
    • Easy to assemble without tools
    Cons:
    • Limited interior dimensions for larger items
    • Plastic aesthetic may not suit all tastes
    • No lock for security

    Best for: Small patio owners or apartment dwellers who want a stylish, secure, and versatile storage solution that doubles as seating.

    Not ideal for: Users with bulky or large items to store, given its smaller capacity and interior size constraints.

    • Dimensions:45.9 in W x 17.4 in D x 22.2 in H
    • Interior Dimensions:44.6 in W x 15.6 in D x 20 in H
    • Capacity:71 gallons
    • Material:Resin
    • Color:Dark Grey
    Our verdict
    “This compact, attractive deck box is ideal for smaller outdoor spaces needing versatile storage and seating, with some limitations on size and security.”
  4. Devoko 100 Gallon Waterproof Resin Deck Box

    Devoko 100 Gallon Waterproof Resin Deck Box

    Best for Secure, Modern Storage with Seating Potential

    View Latest Price

    The Devoko 100 Gallon deck box combines ample storage with a sleek modern rattan design, making it suitable for storing pillows, tools, and equipment outdoors. Its weather-resistant resin and lockable lid enhance security, unlike the Keter Marvel Plus, which lacks a lock. The dual-purpose bench supports up to 500 lbs, providing robust seating for outdoor gatherings. Despite its advantages, the weight can be cumbersome despite handles, and assembly might require some effort. Its contemporary style may not appeal to those seeking a more traditional look, and it’s somewhat heavier to relocate when fully loaded. This product stands out for users who prioritize security and modern aesthetics along with functional seating.

    Pros:
    • Weather-resistant and durable resin material
    • Lockable lid for security
    • Supports up to 500 lbs for seating
    • Sleek modern design
    Cons:
    • Heavy to move when filled
    • Assembly required
    • Design may not suit all aesthetic preferences

    Best for: Homeowners wanting a lockable, weatherproof storage bench for outdoor use that also offers comfortable seating.

    Not ideal for: People with limited strength or space, due to the weight and size, or those preferring a more traditional aesthetic.

    • Capacity:100 gallons
    • Inner Dimensions:47.8″L x 21.4″W x 24.6″H
    • Material:Resin
    • Weight Capacity (seating):500 lbs
    Our verdict
    “This stylish, secure, and functional deck box suits those needing a weatherproof storage solution with the bonus of outdoor seating, balanced against its weight and assembly effort.”
  5. EasyUp 50 Gallon Outdoor Storage Box Waterproof Lockable Deck Box

    EasyUp 50 Gallon Outdoor Storage Box Waterproof Lockable Deck Box

    Best Budget-Friendly Compact Storage with Security

    View Latest Price

    The EasyUp 50 Gallon deck box provides a practical, space-efficient solution for patio cushions, pool accessories, or gardening tools. Its waterproof resin construction ensures protection from the elements, and the lockable lid adds a layer of security—though the lock must be purchased separately. Its quick 16-minute assembly appeals to those seeking a simple setup, and ergonomic handles make it manageable despite its weight when loaded. Compared with larger options like the Devoko or Keter Westwood, it’s a more affordable, smaller footprint choice suitable for limited outdoor spaces. However, the limited capacity means it’s less suited for bulkier items, and the absence of an included lock could be a drawback for security-conscious users. It’s a solid pick for budget-minded buyers with moderate storage needs.

    Pros:
    • Affordable, with a simple, quick assembly
    • Weatherproof and durable resin construction
    • Lockable lid (lock not included)
    • Lightweight and easy to handle with handles
    Cons:
    • Lock not included, requiring an additional purchase
    • Limited 50-gallon capacity for larger or bulkier items
    • Limited color options

    Best for: Budget-conscious homeowners or apartment dwellers needing a secure, easy-to-assemble outdoor storage box for smaller items.

    Not ideal for: Users with extensive storage needs or those requiring a lock included, due to its limited capacity and extra lock purchase requirement.

    • Capacity:50 gallons
    • Material:Resin
    • Weather Resistance:Waterproof, UV-resistant
    • Assembly Time:16 minutes
    • Lockable:Yes (lock not included)
    • Handles:Ergonomic side handles
    Our verdict
    “This compact, budget-friendly deck box is ideal for small outdoor storage needs with basic security, though it offers less capacity and security features than larger models.”
  6. EAST OAK Outdoor Storage Box, 60 Gallon Waterproof Resin Deck Box for Patio Cushions and Gardening Tools, Lockable, UV Resistant, Grey

    EAST OAK Outdoor Storage Box, 60 Gallon Waterproof Resin Deck Box for Patio Cushions and Gardening Tools, Lockable, UV Resistant, Grey

    Best Overall for Versatile Outdoor Use

    View Latest Price

    This EAST OAK 60-gallon deck box stands out for its multi-functionality, combining weatherproof storage with the ability to serve as extra seating. Compared to larger options like the LIFETIME 130-Gallon Deck Box, it offers a more manageable size for most patios while still providing ample space. Its UV resistance ensures long-term durability against sun damage, making it ideal for frequent outdoor use. The lockable lid boosts security, although the limited color choices and assembly complexity could be a drawback for some users. Its ergonomic handles and sturdy construction make it easy to move and maintain, making this pick well-suited for those who want a reliable, space-efficient storage solution that doubles as outdoor furniture.

    Pros:
    • Waterproof and UV resistant for outdoor durability
    • Lockable lid enhances security
    • Multi-functional as storage and seating
    • Easy to assemble with clear instructions
    Cons:
    • Limited color options (only grey)
    • Assembly may take longer for some users
    • Size may be large for small patios

    Best for: Homeowners needing a durable, multi-purpose storage and seating solution for patios or decks.

    Not ideal for: Small balcony users or those seeking colorful, decorative storage options, as the color palette is limited to grey and size may be too large for tight spaces.

    • Material:Upgraded Resin
    • Capacity:60 gallons
    • Outer Dimensions:42.1″L x 17″W x 21.6″H
    • Inner Dimensions:40.75″L x 15.04″W x 19.88″H
    • UV Resistance:1000+ hours
    • Weight Capacity (seat):660 lbs
    Our verdict
    “This box is best for those who want a sturdy, versatile outdoor storage and seating solution with weather-resistant features.”
  7. LIFETIME 60012 Extra Large Deck Box, 130 Gallon, Desert Sand/Brown

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

    Best Large Capacity for Heavy-Duty Storage

    View Latest Price

    Compared with smaller options like the 35 Gallon Waterproof Deck Box, the LIFETIME 130-Gallon Deck Box offers a significant increase in storage capacity, making it suitable for bulkier items or larger collections of outdoor gear. Its HDPE plastic construction provides reliable weather resistance, while the spring hinge ensures quiet, gentle lid closing. However, its weight when fully loaded can make movement difficult, and the large size requires ample space for full opening. This model is better suited to homeowners with larger patios or storage sheds who prioritize capacity over portability, accepting the tradeoff of a heavier, less maneuverable unit.

    Pros:
    • Large 130-gallon capacity for ample storage
    • Durable HDPE construction resistant to weather
    • Lockable lid with spring hinge for effortless operation
    • Stylish two-tone brown and tan design
    Cons:
    • Heavy when fully loaded
    • Requires space for full lid opening
    • Limited color options

    Best for: Property owners needing substantial outdoor storage for bulky items or multiple users with ample space.

    Not ideal for: Small patios or individuals looking for portable options, since its weight and size hinder mobility.

    • 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
    “This is ideal for those with large outdoor spaces who need maximum capacity and durability, accepting reduced portability.”
  8. KAMABOKO Outdoor Storage Box, 150 Gallon Large Waterproof Resin Deck Box with Lockable Lid, Black

    KAMABOKO Outdoor Storage Box, 150 Gallon Large Waterproof Resin Deck Box with Lockable Lid, Black

    Best for Large, Stylish Storage Needs

    View Latest Price

    The KAMABOKO 150-gallon resin deck box offers the most capacity in this lineup, making it perfect for extensive outdoor storage of pool toys, garden tools, and patio furniture. Its weather-resistant resin construction ensures protection against rain and UV damage, comparable to the Outdoor Storage Box 160 Gallon but with a sleek, modern look. The lockable lid provides security, though despite its lightweight design, it can be cumbersome to move once filled. This model is best suited for users who need significant storage without sacrificing style, but it might be less appealing for those with limited space or mobility concerns due to its size.

    Pros:
    • Huge 150-gallon capacity for extensive storage
    • Weather-resistant resin protects belongings
    • Lockable lid offers security
    • Stylish, modern black finish
    Cons:
    • Heavy to move despite lightweight design
    • Limited color options
    • Requires significant space for opening

    Best for: Large households or property owners seeking ample outdoor storage with a modern aesthetic.

    Not ideal for: Small gardens or users prioritizing portability, since the box is heavy and requires space for full opening.

    • Material:Resin
    • Capacity:150 gallons
    • Dimensions:47in x 21in x 23.9in
    • Weight:22.4 pounds
    • Color:Black
    Our verdict
    “A great choice for those needing maximum storage capacity with a sleek appearance, accepting the challenges of size and weight.”
  9. 35 Gallon Outdoor Lockable Waterproof Deck Box – Black

    35 Gallon Outdoor Lockable Waterproof Deck Box - Black

    Best Compact Waterproof Storage for Small Spaces

    View Latest Price

    This 35-gallon deck box offers a compact, sturdy solution for protecting patio cushions and garden tools. Its impact-resistant panels and tool-free assembly make setup straightforward, while its waterproof and UV-resistant design ensures durability against changing weather. Compared to larger options like the Keter Premium Everwood 50 Gallon, this unit is easier to handle and fits better in smaller areas, but it sacrifices storage volume. Its simple, modern design and lockable lid focus on security and practicality, making it ideal for users with limited space who prioritize reliable weather protection over capacity.

    Pros:
    • Waterproof and UV-resistant for all-weather use
    • Lockable lid enhances security
    • Easy to assemble without tools
    • Sturdy impact-resistant panels
    Cons:
    • Lock not included
    • Limited color options
    • Smaller capacity may require multiple units

    Best for: Small patios or balconies needing secure, weatherproof storage for essential outdoor items.

    Not ideal for: Users with extensive outdoor storage needs or large outdoor furniture, as its 35-gallon capacity may be insufficient.

    • Capacity:35 gallons
    • Dimensions:22.09″L x 17.09″W x 20.87″H
    • Material:Iron, Polypropylene, Wood
    • Color:Black
    • Assembly:Tool-free, snap-in panels
    Our verdict
    “This compact, weatherproof box suits users with limited space who need secure outdoor storage for essentials.”
  10. Keter Premium Everwood 50 Gallon Outdoor Storage Box and Patio Side Table

    Keter Premium Everwood 50 Gallon Outdoor Storage Box and Patio Side Table

    Best Dual-Function Storage and Seating

    View Latest Price

    The Keter Premium Everwood 50-gallon storage box combines practical storage with an elegant design, doubling as a side table or extra seating. Its weather-resistant resin finish ensures long-term protection against the elements, similar to the Keter Westwood 150-Gallon, but with less capacity — which makes it more suitable for users with modest storage needs. Easy to assemble in under 10 minutes, this model is ideal for those who value aesthetic appeal and space efficiency over maximum capacity. However, the limited 50-gallon volume might not satisfy those with larger outdoor storage requirements, and its compact size may feel restrictive for bulky items.

    Pros:
    • Weather-resistant and durable construction
    • Multifunctional as storage and seating
    • Easy to assemble without tools
    • Elegant, fade-free finish
    Cons:
    • Limited to 50-gallon capacity
    • May be too compact for bulky outdoor gear
    • Not suitable for large-scale storage

    Best for: Small families or individuals seeking a stylish, multi-use outdoor storage and seating solution that blends into patio decor.

    Not ideal for: Users with large outdoor storage needs or extensive garden tools, due to its limited capacity and size.

    • Capacity:50 gallons
    • Material:Weather-resistant resin
    • Assembly:Tool-free, under 10 minutes
    • Finish:Fade-free, Signature Collection
    Our verdict
    “This versatile box is ideal for small outdoor spaces wanting stylish, dual-purpose storage and seating, with capacity constraints to consider.”
  11. Devoko 120 Gallon Resin Outdoor Storage Deck Box Waterproof Large Storage Bench

    Devoko 120 Gallon Resin Outdoor Storage Deck Box Waterproof Large Storage Bench

    Best Overall for Large Capacity and Versatility

    View Latest Price

    This model stands out for its generous 120-gallon capacity, making it ideal for families with extensive outdoor gear or garden tools. Compared with the Keter Kentwood, it offers more storage space but is heavier and less portable. Its water-resistant resin ensures durability through various weather conditions, while hydraulic pistons provide effortless lid opening and closing. The dual function as a bench adds practicality, but the weight can make moving difficult, and it’s only available in black, limiting aesthetic options. Overall, this pick makes the most sense for those needing substantial storage that doubles as seating.

    Pros:
    • Large 120-gallon capacity for ample storage
    • Water-resistant resin construction suitable for all weather
    • Hydraulic pistons enable easy lift and soft close
    • Can be used as a bench, adding extra seating
    Cons:
    • Heavy and may require assistance for moving
    • Limited color options (only black listed)

    Best for: Large families or gardeners who require extensive outdoor storage and seating options

    Not ideal for: Small patios or spaces where maneuverability is a priority, due to its weight

    • Capacity:120 gallons
    • Item Dimensions:52.2″L x 24.2″W x 25.2″H
    • Material:Resin
    • Shape:Rectangular
    • Style:Modern
    • Color:Black
    Our verdict
    “This is a strong choice for those needing maximum storage capacity combined with outdoor seating flexibility.”
  12. Keter Outdoor Storage Deck Box for Patio, Backyard & Garden, Borneo, 110 Gal, Grey – Lockable, Waterproof Plastic Container Bench

    Keter Outdoor Storage Deck Box for Patio, Backyard & Garden, Borneo, 110 Gal, Grey - Lockable, Waterproof Plastic Container Bench

    Best for Secure, Dual-Purpose Storage and Seating

    View Latest Price

    The Keter Borneo offers a balanced mix of durability and security, with a 110-gallon capacity suited for garden tools, cushions, or toys. Its resin construction with a wicker-style finish provides a stylish look that blends well with outdoor decor, unlike the more utilitarian Devoko. Hydraulic pistons make lid access smooth, and the lockable feature adds security—though the lock isn’t included, which could be a drawback for some users. Its slightly smaller size compared to the Devoko makes it better suited for medium-sized patios but less ideal for extensive storage needs. This makes it perfect for those prioritizing security and aesthetic appeal.

    Pros:
    • Durable, weather-resistant resin with stylish wicker finish
    • Dual-purpose design as storage and seating
    • Hydraulic pistons for easy, soft-close lid operation
    • Lockable lid for added security
    Cons:
    • Lock not included, requiring an additional purchase
    • Large size may not suit small outdoor areas

    Best for: Homeowners who want a secure, attractive storage solution that doubles as comfortable seating

    Not ideal for: Those with very large storage needs or limited outdoor space, due to its size and lack of included lock

    • Capacity:110 gallons
    • Exterior Dimensions:51″ L x 27.6″ W x 24.6″ H
    • Interior Dimensions:45.2″ L x 23.4″ W x 21.3″ H
    • Material:Polypropylene resin
    • Color:Grey
    • Weight Capacity:484 lbs
    Our verdict
    “This is an excellent choice for users seeking a secure, decorative storage bench with dual functionality.”
  13. Keter Kentwood 92 Gallon Outdoor Storage Box for Patio and Pool Accessories

    Keter Kentwood 92 Gallon Outdoor Storage Box for Patio and Pool Accessories

    Best for Compact, High-Quality Storage and Seating

    View Latest Price

    The Keter Kentwood provides a slightly smaller but still spacious 92-gallon storage capacity, making it perfect for pool toys, cushions, or gardening supplies. Its resin construction resists rust, peeling, and fading, outperforming cheaper plastic options. As a bonus, it functions as extra seating with a high weight capacity, similar to the Borneo but more compact. Assembly is straightforward, though some users might find it takes longer than expected despite being tool-free. Limited to covered outdoor areas, it’s best for those with moderate storage needs and protected spaces. Compared to the Devoko, it offers less capacity but a more streamlined design and easier handling.

    Pros:
    • Large 92-gallon storage capacity
    • Resists rust, peeling, fading, and denting
    • Can be used as extra seating with high weight capacity
    • Lockable lid for security
    Cons:
    • Assembly may take some time despite being tool-free
    • Best suited for covered outdoor areas only

    Best for: Homeowners with smaller outdoor spaces who want a durable, stylish, and secure storage solution

    Not ideal for: Large families or those with extensive storage needs, due to its lower capacity and size constraints

    • Dimensions:50.4″ W x 21.2″ D x 23.2″ H
    • Interior Dimensions:49.6″ W x 20″ D x 22.8″ H
    • Storage Capacity:92 gallons
    • Material:Resin
    • Weight Capacity:573 lbs
    Our verdict
    “This model makes a smart choice for those seeking a durable, attractive storage bench for moderate outdoor storage needs.”
waterproof outdoor storage boxes
What makes a great waterproof outdoor storage boxe
1
Material and Weather Resistance
Look for materials like resin, polyethylene, or weatherproof plastics designed to resist UV rays, rain, and snow.
2
Size and Capacity
Assess your storage needs carefully.
3
Security and Lockability
If security is a concern, opt for boxes with lockable lids.
4
Ease of Use and Maintenance
Features like gas struts or support rods can make opening and closing easier, especially for larger boxes.
How to choose your waterproof outdoor storage boxe
1
How we picked
The products were evaluated based on several criteria that matter most for outdoor storage solutions.
2
Material and Weather Resistance
Look for materials like resin, polyethylene, or weatherproof plastics designed to resist UV rays, rain, and snow.
3
Size and Capacity
Assess your storage needs carefully.
4
Security and Lockability
If security is a concern, opt for boxes with lockable lids.
5
Ease of Use and Maintenance
Features like gas struts or support rods can make opening and closing easier, especially for larger boxes.
Vetted waterproof outdoor storage boxes ·
The best waterproof outdoor storage boxes, compared
★ Winner Outdoor Storage Box
Best Overall for Large-Scale Outdoor Storage and Seating
13compared
160 gallonstop capacity
6materials

How We Picked

The products were evaluated based on several criteria that matter most for outdoor storage solutions. First, waterproofing and weather resistance were primary, ensuring the boxes can withstand rain, snow, and sun without damage. Second, capacity and size were considered to match different storage needs, from small patios to large yards. Usability factors like lid security, ease of access, and weight influenced suitability for various users. Additionally, build quality, UV resistance, and price were weighed to balance durability against affordability. The ranking reflects a combination of these factors, favoring models that offer the best overall value and longevity in outdoor conditions.
Everyday → specialist
Everyday & valuePremium & specialist
Which waterproof outdoor storage boxe fits you?
The everyday user
All-round, reliable
The enthusiast
Premium & high-performance
The gift-giver
Looks & craftsmanship

Factors to Consider When Choosing Waterproof Outdoor Storage Boxes

Choosing the right waterproof outdoor storage box involves weighing several key factors beyond just size and price. Understanding these considerations helps ensure you pick a solution that lasts and meets your specific needs, whether for garden tools, pool accessories, or outdoor cushions.

Material and Weather Resistance

Look for materials like resin, polyethylene, or weatherproof plastics designed to resist UV rays, rain, and snow. A box with high UV resistance will maintain its appearance longer and prevent cracking or fading under prolonged sun exposure. Avoid cheaper plastics that may degrade quickly, leading to leaks or structural failure over time. Investing in quality materials can significantly extend the lifespan of your outdoor storage solution.

Size and Capacity

Assess your storage needs carefully. Larger options like 150-160 gallons suit big collections of garden tools, cushions, or pool gear, but they are heavier and less portable. Smaller boxes, such as 50 gallons, are easier to move but may require multiple units for extensive storage. Balance size with your available space and how often you plan to access the contents to avoid buying a box that’s either too cramped or overly bulky.

Security and Lockability

If security is a concern, opt for boxes with lockable lids. However, keep in mind that adding locks can complicate access and increase costs. For lightweight or infrequently accessed storage, a lockable feature provides peace of mind. For casual use, a simpler latch may suffice, but always verify that the locking mechanism is weather-resistant to prevent rust or failure.

Ease of Use and Maintenance

Features like gas struts or support rods can make opening and closing easier, especially for larger boxes. Also, consider how easy it is to clean the interior—smooth surfaces and removable lids help prevent dirt buildup and mold. Regular maintenance, such as cleaning and checking seals, prolongs the storage box’s lifespan and maintains its waterproof integrity.

Price and Value

While higher prices often reflect better durability and larger capacity, not every buyer needs the most expensive option. Consider your specific needs and budget. Sometimes, mid-range models with reinforced lids and UV protection provide the best balance of cost and longevity. Avoid very cheap options that may fail quickly, leading to replacement costs and potential damage to stored items.

Frequently Asked Questions

How do I ensure my outdoor storage box stays waterproof over time?

To maintain waterproofing, regularly inspect the seals and gaskets around the lid, replacing any that show signs of wear. Keep the box clean and free of debris that could compromise the seal. Applying a UV protectant can help preserve plastic surfaces, and storing the box in a shaded area when not in use can extend its waterproof integrity. Proper maintenance ensures your investment remains resistant to the elements for years.

Are lockable outdoor storage boxes secure enough to prevent theft?

Lockable storage boxes provide a good level of security against casual theft, especially if equipped with sturdy locks. However, determined thieves might still access them, especially if the lock mechanism isn’t high quality. For high-value items, consider additional security measures such as anchoring the box to the ground or using more advanced locks. Remember, a lockable box is a deterrent but not a foolproof security solution.

What is the best material for a durable outdoor storage box?

Resin and polyethylene are among the most durable materials for outdoor storage boxes, as they resist moisture, UV rays, and impact. Polypropylene offers similar benefits but can be slightly heavier. Metal boxes tend to rust unless coated properly, so they are less common for waterproof outdoor storage. Overall, high-quality resin provides a good balance of durability, weather resistance, and light weight.

Can these storage boxes withstand snow load and extreme weather?

Many waterproof outdoor storage boxes are designed to handle typical snow loads, especially those with reinforced lids and support rods. However, extremely heavy snow or ice buildup can stress or damage the lid over time. Regularly clearing snow from the top and choosing a box with a sturdy, reinforced lid will help prevent damage. Always check product specifications for weight limits if heavy snow is a concern in your area.

Is it better to buy a larger or smaller storage box?

Choosing between a large or small box depends on your storage needs and available space. Larger boxes like 150 gallons are ideal for storing bulky or numerous items, reducing the need for multiple units. Smaller boxes are easier to move around and fit into tighter spaces, making them suitable for casual or seasonal storage. Consider how often you’ll access the contents and whether mobility or capacity is your priority.

Conclusion

If you need the best overall waterproof outdoor storage box, the Outdoor Storage Box, 160 Gallon Waterproof Resin Deck Box offers excellent capacity and durability. For budget-conscious buyers, the EasyUp 50 Gallon Waterproof Deck Box provides reliable protection without breaking the bank. Those seeking a stylish yet functional option may prefer the Keter Westwood 150-Gallon Storage Box. For large, secure, and heavy-use needs, investing in a model with reinforced lids and lockable features makes sense. Ultimately, your choice should align with your storage volume, security needs, and climate conditions.

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