Best Pool Storage Box (2026): Deck Boxes for Pool Gear

Accessories

The best pool storage box for most decks is the Keter Westwood 150 gallon bench, which swallows deflated floats and seats two adults. Pick the 71 gallon Keter Marvel for a narrow pad and the 160 gallon ATMELT for the most space per dollar.

Poolsidebasics is reader-supported. As an Amazon Associate we earn from qualifying purchases. Learn more.

Pool clutter is not a storage problem until you see it from the kitchen window. Floats, noodles, towels, the test kit, and a robot caddy end up spread across the deck, sun-fading and tripping people. A resin box on the deck solves most of it in one afternoon. For most decks, the Keter Westwood 150 Gallon is the box that ends the clutter, with the slim Keter Marvel 71 for narrow pads and the ATMELT 160 for the most room per dollar.

This guide sits with the rest of the deck gear in the pool accessories guides. If you are still sorting out where the smaller tools live, the pool maintenance kit guide covers the one-box tool set, and the pool robot caddy guide covers the cart.

Three sizes cover almost every deck. Here is how to pick between them.

Measure the space before you buy

Two measurements decide it: the longest item you plan to store, and the walkway you cannot block.

Narrow pad or porch, under 20 inches deep
Space you have
Box that fits
Keter Marvel 71
Standard deck, room for a bench
Space you have
Box that fits
Keter Westwood 150 or ATMELT 160
You want seating plus storage
Space you have
Box that fits
Any box rated 450 lb or more
You keep a caddy and chemicals too
Space you have
Box that fits
150 gallons and up, plus a separate chemical bin
Space you haveBox that fits
Narrow pad or porch, under 20 inches deepKeter Marvel 71
Standard deck, room for a benchKeter Westwood 150 or ATMELT 160
You want seating plus storageAny box rated 450 lb or more
You keep a caddy and chemicals too150 gallons and up, plus a separate chemical bin

Depth matters as much as length. A 150 gallon bench is about 28 inches deep, which is fine along a wall and awkward on a walkway between the house and the pool.

Best overall: Keter Westwood 150

The Keter Westwood 150 Gallon Deck Box is the size we would put on most decks. The interior is roughly 56 by 25 by 23 inches, which is enough for deflated floats, a bundle of noodles, and lounge cushions.

The lid is piston-assisted, so it opens all the way and closes gently instead of slamming while your hands are full. Seating is rated around 485 pounds, so it works as a bench for two or three adults. The lid takes a padlock if you want to lock up tools.

The resin will not rot, peel, or rust, and the double-walled panels keep the inside dry. That matters more than it sounds. A rolled solar cover stored in a damp box starts smelling like a pond by July.

Buy it if you have the deck space for a bench and want the clutter gone in one purchase. Skip it if your walkway is narrow, because 28 inches of depth is real furniture.

Best for a small deck: Keter Marvel 71

The Keter Marvel 71 Gallon Box is the compact answer at about 46 by 17 by 22 inches. It fits a narrow pad edge, a porch, or a spot between the railing and the pool.

You give up volume, not durability. It uses the same weather-resistant resin as the bigger Keter boxes, with a ventilated interior, a lockable lid, and enough strength to sit on.

Buy it if you mostly store towels, chemicals you keep elsewhere, and a couple of floats. Skip it if you own a giant float or a stack of lounge cushions, because those need 150 gallons.

Best value: ATMELT 160

The ATMELT 160 Gallon Deck Box gives you the most room for the money at about 51 by 22 by 26 inches. It is rated 160 gallons, with a support rod, a ventilated interior, and a rattan-textured body that doubles as seating.

It is the pick when the budget is the deciding factor and the deck is busy. The lid is lighter than a piston-assisted lid, which is the tradeoff you pay for at this price.

Buy it if you want maximum capacity per dollar and you do not mind lifting the lid with one hand. Skip it if you want the soft-close lid, because that is a Keter feature at this size.

What actually fits in 71, 150, and 160 gallons

Towels and a test kit
Gear
71 gallon
Yes
150 gallon
Yes, with room to spare
Two deflated floats
Gear
71 gallon
Tight
150 gallon
Yes
Noodles, three or four
Gear
71 gallon
No
150 gallon
Yes
Lounge chair cushions
Gear
71 gallon
One
150 gallon
A set
Robot caddy
Gear
71 gallon
No
150 gallon
Sometimes, if the box is deep
Pool chemicals
Gear
71 gallon
Keep them separate
150 gallon
Keep them separate
Gear71 gallon150 gallon
Towels and a test kitYesYes, with room to spare
Two deflated floatsTightYes
Noodles, three or fourNoYes
Lounge chair cushionsOneA set
Robot caddyNoSometimes, if the box is deep
Pool chemicalsKeep them separateKeep them separate

The safe move is to measure the longest item and buy the next size up. A box that is almost big enough becomes a box you stop using.

Keep the water out and the lid light

A few habits make a deck box last.

  • Rinse the interior at the end of the season and let it dry before you close it for winter.
  • Put damp towels and floats in dry, not dripping.
  • Clear snow off the lid instead of letting it sit.
  • Anchor the box if your deck catches wind, since an empty box is light.
  • Keep a mesh bag inside for small toys so sand settles at the bottom of the bag, not the box.

If you store a solar cover in the box, roll it rather than folding it. Fold lines are where a cover cracks first, and a rolled cover slides in and out without dragging on the lid.

For more deck clean-up, the pool cover remover and the best pool towel rack both help keep the storage sitting in one place instead of drifting across the deck.

Bottom line

Match the box to your deck and your biggest item. The Keter Westwood 150 is the best pool storage box for most homes, with a piston lid, dry interior, and a seat for two. The Keter Marvel 71 is the slim pick for a narrow pad, and the ATMELT 160 gives you the most space per dollar. One box, one afternoon, and the deck stops looking like a yard sale.

Frequently Asked Questions

What size pool storage box do I need?

Measure the longest thing you plan to store, then add a few inches. A 71 gallon box fits towels, a test kit, and one or two deflated floats. A 150 to 160 gallon box is the size that takes noodles, a folded float, chair cushions, and a robot caddy if you want everything in one place.

Will a deck box keep my pool gear dry in the rain?

A resin box with a seated lid keeps rain out, and the ventilated models let damp air escape instead of trapping it. Put the box on a level surface and keep the lid closed. If your deck floods, raise the box on a paver so water does not wick in at the base.

Can I leave a deck box outside all year?

Yes. Resin does not rot, rust, or need painting, and it holds up through winter. In high wind, anchor the box through the floor, because an empty one is light enough to move. Clear snow off the lid so the hinges and the lid do not take a load they were not built for.

Do pool floats fit in a deck box?

Deflated floats fit easily in a 150 gallon box. Inflated floats usually do not, and nobody wants to fight a wet unicorn into a box. Store floats deflated, or keep the one you use daily on a hook and store the rest.

How much weight will a deck box lid hold?

The resin benches in this size range usually hold around 450 to 500 pounds, which is two or three adults. That is a seat, not a diving platform. Keep people off the lid if the box is old or if the panels have been in full sun for years.

Should I store pool chemicals in a deck box?

No. Chlorine and acid belong in a locked, ventilated spot away from other materials, not in the same box as towels and floats. Fumes attack metal and fabric, and mixing chemicals in a closed box is a bad idea in every season.

Can a deck box double as a pool toy box?

That is what most people end up doing with it. Keep toys in a mesh bag inside the box so sand falls to the bottom, and rinse the interior once a season. A dry box with a lid is the difference between a tidy deck and a yard full of cracked plastic.