A small deck box holds a few cushions, pool towels or garden supplies without taking over a balcony or a corner of the patio. At 22 to 50 gallons, many double as a seat or side table, so the stated lid capacity and the footprint matter as much as the volume.
We compared small deck boxes on capacity and outside dimensions, material, stated seat capacity, lid and locking. For larger boxes, see Best Deck Boxes, or browse the Deck Boxes & Outdoor Storage category.
Our Top Picks
| Pick | Product |
|---|---|
| Best Overall | Keter Kentwood 50 Gal Storage Box and Patio Side Table |
| Best for Seat | Suncast 22 Gallon Small Deck Box with Seat |
| Best for Wood Option | Christopher Knight Home Kensy Acacia Wood Outdoor Storage Box |
| Best for Lightweight | Devoko 30 Gallon Resin Deck Box |
| Best Value | Trygoal 30 Gallon Outdoor Storage Box |
| Best for 50 Gallon Bench | NBYSGO 50 Gallon Outdoor Storage Box |
Pros
- Works as a side table
- Quick tool-free assembly
- Brown or grey
Cons
- Seat weight limit not stated
- Padlock not included
- Too small for long cushions
Keter's Kentwood is a 50 gallon box shaped to work as a patio side table, and Keter says it also provides extra seating. It is all-weather resin that the maker says will not rust, peel, fade or dent, the lid is lock-ready, and assembly takes under 10 minutes with no tools. Its outside size is listed at 32 by 17.5 by 22.75 inches.
Amazon rating: not available in our product data.
Pros
- Stated 200 lb seat
- Made in the USA
- Fits the tightest spaces
Cons
- Smallest capacity here
- Few cushions will fit
- No lock mentioned
Suncast's 22 gallon box is the smallest here, with a reinforced lid that Suncast says holds up to 200 pounds, so it works as a seat or ottoman. It is made in the USA from all-weather resin with water resistance and UV protection, assembles by hand, and has a 20.5 by 15.5 by 17 inch interior.
Amazon rating: not available in our product data.
Pros
- Real wood look
- Lid will not slam
- Air flows through slats
Cons
- Slats let rain in
- Wood needs upkeep
- Seat capacity not stated
The Kensy is a 30 gallon box with a solid acacia wood frame that Christopher Knight Home says is treated for weather and UV resistance. Pressurized hinges stop the lid from falling shut, and the slatted sides let air through. It ships flat and may need a screwdriver, which is not included.
Amazon rating: not available in our product data.
A 30 gallon resin box that weighs 8.8 lb, with a stated 220 lb seat capacity and built-in handles.
Amazon rating: not available in our product data.
A lockable 30 gallon resin box with side handles that Trygoal also sells for parcel deliveries.
Amazon rating: not available in our product data.
A 50 gallon resin box with tool-free panel clips, side handles and a stated 500 lb bench capacity.
Amazon rating: not available in our product data.
All Products Compared
| Product | Best For | Capacity | Material | Stated Seat Load | Extras |
|---|---|---|---|---|---|
| Keter Kentwood 50 Gal Storage Box and Patio Side Table | Best Overall | 50 gal | Resin | Seating (maker) | Side table, tool-free |
| Suncast 22 Gallon Small Deck Box with Seat | Best Seat | 22 gal | Resin, wicker pattern | 200 lb (maker) | Made in USA |
| Christopher Knight Home Kensy Acacia Wood Outdoor Storage Box | Best Wood Option | 30 gal | Acacia wood, slatted | Not stated | Pressurized lid hinges |
| Devoko 30 Gallon Resin Deck Box | Best Lightweight | 30 gal | High-density resin | 220 lb (maker) | 8.8 lb box, handles |
| Trygoal 30 Gallon Outdoor Storage Box | Best for Packages | 30 gal | PP resin | Not stated | Lockable, side handles |
| NBYSGO 50 Gallon Outdoor Storage Box | Best 50 Gallon Bench | 50 gal | Resin, wicker look | 500 lb (maker) | Tool-free clips |
Top 3 Small Deck Boxes Reviewed
#1 Keter Kentwood 50 Gal Storage Box and Patio Side Table: Best Overall
Why We Picked It
Keter's Kentwood is a 50 gallon box shaped to work as a patio side table, and Keter says it also provides extra seating. It is all-weather resin that the maker says will not rust, peel, fade or dent, the lid is lock-ready, and assembly takes under 10 minutes with no tools. Its outside size is listed at 32 by 17.5 by 22.75 inches.
Key Specifications
- Amazon rating: not available in our product data
- Capacity: 50 gallons
- Size: 32 x 17.5 x 22.75 inches (listing)
- Material: all-weather resin
- Lid: lock-ready
- Assembly: tool-free, under 10 minutes (maker)
| Pros | Cons |
|---|---|
| Works as a side table | Seat weight limit not stated |
| Quick tool-free assembly | Padlock not included |
| Brown or grey | Too small for long cushions |
Best For
Balconies where the box needs to look like furniture.
Who Should Skip It
Storing full-length chaise cushions.
Verdict
The best mix of size, looks and convenience for a small space.
Keter Kentwood 50 Gal Storage Box and Patio Side Table
#2 Suncast 22 Gallon Small Deck Box with Seat: Best Seat
Why We Picked It
Suncast's 22 gallon box is the smallest here, with a reinforced lid that Suncast says holds up to 200 pounds, so it works as a seat or ottoman. It is made in the USA from all-weather resin with water resistance and UV protection, assembles by hand, and has a 20.5 by 15.5 by 17 inch interior.
Key Specifications
- Amazon rating: not available in our product data
- Capacity: 22 gallons
- Interior: 20.5 x 15.5 x 17 inches (maker)
- Lid: up to 200 lb (maker)
- Material: all-weather resin, wicker pattern
- Made in: USA (maker)
| Pros | Cons |
|---|---|
| Stated 200 lb seat | Smallest capacity here |
| Made in the USA | Few cushions will fit |
| Fits the tightest spaces | No lock mentioned |
Best For
Towels, toys and small cushions on a tiny balcony.
Who Should Skip It
Anyone storing more than a couple of seat pads.
Verdict
A compact US-made seat with storage inside.
Suncast 22 Gallon Small Deck Box with Seat
#3 Christopher Knight Home Kensy Acacia Wood Outdoor Storage Box: Best Wood Option
Why We Picked It
The Kensy is a 30 gallon box with a solid acacia wood frame that Christopher Knight Home says is treated for weather and UV resistance. Pressurized hinges stop the lid from falling shut, and the slatted sides let air through. It ships flat and may need a screwdriver, which is not included.
Key Specifications
- Amazon rating: not available in our product data
- Capacity: 30 gallons
- Material: acacia wood, weather and UV treated (maker)
- Lid: pressurized hinges
- Design: breathable slatted sides
- Assembly: screwdriver may be needed
| Pros | Cons |
|---|---|
| Real wood look | Slats let rain in |
| Lid will not slam | Wood needs upkeep |
| Air flows through slats | Seat capacity not stated |
Best For
Covered porches where looks matter most.
Who Should Skip It
Uncovered spots where contents must stay dry.
Verdict
The most furniture-like small box, best kept under cover.
Christopher Knight Home Kensy Acacia Wood Outdoor Storage Box
Also on Our List
- Devoko 30 Gallon Resin Deck Box (Best Lightweight): A 30 gallon resin box that weighs 8.8 lb, with a stated 220 lb seat capacity and built-in handles.
- Trygoal 30 Gallon Outdoor Storage Box (Best for Packages): A lockable 30 gallon resin box with side handles that Trygoal also sells for parcel deliveries.
- NBYSGO 50 Gallon Outdoor Storage Box (Best 50 Gallon Bench): A 50 gallon resin box with tool-free panel clips, side handles and a stated 500 lb bench capacity.
How to Choose a Small Deck Box
Footprint First
On a balcony, measure the floor space and the door swing before thinking about gallons. Check the outside dimensions in the listing, not just the capacity.
Seat or Table
If the box will double as a seat, use only the maker's stated lid capacity. Side-table styles may not list a seat rating at all.
Resin or Wood
Resin boxes keep rain out better and need no upkeep. Wood boxes look warmer but slatted designs let water in, so keep them under cover. Lock the lid if children are around, and do not let children climb inside.
How We Evaluate Small Deck Boxes
For this guide we compared small deck boxes from 22 to 50 gallons on capacity and outside dimensions, material, stated seat capacity, lid and locking. We read each maker's specifications and left out boxes over 50 gallons. Most listings had no rating data in our product feed, so ratings did not decide the order. We did not handle these boxes ourselves, every figure comes from the maker's listing, and we never repeat a waterproof claim as our own.
Variants of one listing count as a single product, and we would rather list a few strong picks than pad the list. Our full process is on the How We Review page.
FAQ
What can fit in a 30 gallon deck box?
A few seat cushions, towels or pool toys. Compare the interior size with your largest item.
Can a small deck box go on a balcony?
Yes, if it fits the floor space and your building allows it. Check the outside dimensions and keep doors clear.
Is a wood deck box waterproof?
No. Slatted wood boxes let water in, so use them under cover or store only items that can get damp.
Final Verdict
Keter's Kentwood is our top pick for its side-table design and quick assembly. Suncast makes the smallest box with a stated 200 lb seat, and Christopher Knight Home offers acacia wood for covered porches.
Devoko is the lightest, Trygoal suits package drop-offs, and NBYSGO adds a 50 gallon box with a stated 500 lb bench capacity.
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