10 Best Waterproof Deck Boxes 2026 in the United States

The Keter Westwood 150 Gallon Resin Outdoor Storage Box offers a spacious and sturdy solution for reliable outdoor storage. Constructed from durable resin with a modern wood-plank look, it resists rust, peeling, and denting, providing good protection against weather elements. While it is water resistant rather than fully waterproof, heavy rain might still cause minor moisture inside.

With a 150-gallon capacity, it easily accommodates patio cushions, pool toys, and gardening tools, making it ideal for medium to large outdoor spaces. The box also functions as extra seating for two adults, adding versatility. It features a lift-off lid with an easy-lift mechanism for smooth opening and quiet closing, enhancing user convenience. A lockable feature helps keep contents secure, which is important for outdoor storage.

Designed in a light grey color with a modern style, it blends well with many outdoor decors. Weighing about 49 pounds, it is substantial but manageable for assembly and placement. This deck box successfully balances style, capacity, and weather resistance, making it a solid choice for those seeking durable and functional outdoor storage with added seating, while being mindful of its water resistance limitations in extreme conditions.

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 Keter Signature Collection 150 Gallon Resin Deck Box is a stylish and practical option for outdoor storage. Made from durable resin with a wood-look finish, it offers the charm of real wood but without the usual maintenance like fading or rotting. Its 150-gallon capacity is generous enough to hold patio cushions, garden tools, pool supplies, and similar items, making it well-suited for families or anyone needing versatile storage space. The box features a water-resistant design that helps keep your belongings dry even in wet weather, though it's not fully airtight, so heavy rain might still cause some moisture inside.

It comes with a built-in handle and a flip-top lid that opens smoothly and closes softly to prevent finger pinching, which adds to ease of use. You can lock the box for added security, which is handy if you want to protect items from theft or curious pets. Assembly is straightforward thanks to clear instructions, but keep in mind it weighs around 50 pounds, so two people might be needed to move and assemble it comfortably.

The rectangular shape and attractive walnut finish make it a nice addition to your outdoor area, designed to be seen rather than hidden away. This deck box successfully balances good looks with durable, weather-resistant materials and useful features, although it requires some effort to assemble and isn't completely waterproof against heavy storms.