10 Best Waterproof Deck Boxes 2025 in the United States

The EAST OAK Outdoor Storage Box is a solid option for anyone needing a spacious and durable storage solution for outdoor items. Its generous 90-gallon capacity makes it ideal for storing patio cushions, gardening tools, and pool supplies. Made from high-quality resin, it boasts excellent waterproofing and UV resistance, ensuring it remains resilient against various weather conditions and won’t fade easily over time.

The robust design, reinforced with metal rods and internal supports, allows it to support up to 400 lbs, which adds to its stability and durability. This makes it not only a storage box but also a potential extra seating option in your garden or patio. A key strength is its lockable feature, providing added security for your stored items, along with a hydraulic rod that prevents accidental hand pinching, enhancing safety during use.

Assembly is straightforward and quick, taking approximately 10 minutes with the provided instructions, and the side handles make it easy to move around as needed. On the design and aesthetics front, its grey color and rectangular shape blend nicely with most outdoor decors, though some might prefer more color options. Despite its many strengths, it is slightly heavy at 20.5 pounds, which might be cumbersome for some to handle alone. The EAST OAK Outdoor Storage Box combines functionality, durability, and ease of use, making it a reliable choice for outdoor storage needs.

The Keter Outdoor Storage Deck Box is a robust choice for anyone looking to organize their outdoor space while adding a functional seating option. Crafted from durable plastic, this 150-gallon box not only resists various weather conditions but also mimics the look of rattan or wicker, making it visually appealing for patios. One of its standout features is the hydraulic piston mechanism, which allows for easy lifting and a softly closing lid—great for preventing accidental slams when your hands are full.

Its large capacity and impressive weight limit of 660 pounds mean it can store a variety of items, including patio cushions, tools, and pool accessories, while still functioning as a bench for additional seating. This versatility makes it particularly beneficial for those with limited outdoor space.

Security is addressed with a lockable lid, ensuring your items are safe, though it lacks a provided lock, so you'll need to purchase that separately. The box is also designed to be impact and scratch-resistant, adding to its longevity. While it is water-resistant, it's not fully waterproof, which might be a concern for those looking to store items that need maximum protection from moisture. The assembly process is relatively straightforward, but some users might find it slightly cumbersome.

The EAST OAK Outdoor Storage Box is a compact yet versatile option for anyone needing a waterproof deck box with a moderate capacity of 31 gallons. Made from upgraded resin material, it offers good protection against water and UV damage, which means your stored items will stay dry and the box itself won’t fade easily under sun exposure. Its design is modern and practical, featuring a rectangular shape and a neutral grey color that fits well in most outdoor settings. The box can also double as a seat or small table, supporting up to 170 pounds, which adds extra value to its use on patios or decks.

It’s equipped with clip-on closures and is lockable, providing a basic level of security for stored items, though the locking mechanism is simple and may not suit high-security needs. Another plus is its portability; built-in handles make it easy to carry, and assembly is straightforward and tool-free, taking less than 10 minutes to put together by snapping panels into place.

While the 31-gallon size is convenient for smaller items like cushions, gardening tools, or pool accessories, it might be too small for users needing large storage capacity. Also, being made in China with recycled resin is a positive for eco-conscious buyers but might raise concerns about long-term durability compared to heavier-duty materials. This deck box is well suited for users who want a waterproof, easy-to-move storage solution with decent capacity and a clean look, especially for moderate outdoor storage needs without requiring complex assembly or heavy-duty security.