A fiberglass corner box that uses the dock gusset, space a rectangular box can’t. You pay for that fit.
Amazon $1,099.95
A tall, narrow fiberglass box that fits a slim strip of dock. The listing leaves out the lock and lid details.
- 14.8 cu ftVolume
- 47 x 17 x 32 inSize (W x D x H)
- FiberglassMaterial
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
- Non-skid lid top for safer footing
- Built-in vents help gear dry
- Listing doesn’t say it locks or how the lid is held open
- No published warranty
The DoxBox fiberglass family
Every DoxBox fiberglass model we rank, smallest first. Ratings compare each against its own size.
| Model | Volume | Rating | Price |
|---|---|---|---|
| DoxBox Fiberglass Rectangle 47" (this one) | 14.8 cu ft | 2.7/5 | $699 |
| DoxBox Fiberglass Triangle | 13.1 cu ft | 3.0/5 | $699 |
| DoxBox Fiberglass Rectangle 70" | 19.7 cu ft | 3.3/5 | $799 |
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | Rectangle 47" |
|---|---|
| Size | |
| Exterior (W x D x H) | 47 x 17 x 32 in |
| Shape | Rectangle |
| Style | Standard |
| Exterior volume | 14.8 cu ft |
| Build | |
| Material | Fiberglass |
| UV-resistant finish | Yes |
| Made in USA | Yes |
| Features | |
| Vents | Yes |
Alternatives in this size
A low fiberglass box for a tight slip where a taller box would be in the way. It costs a lot for the space it gives.
Amazon $768.99A polyethylene corner box that fits a dock gusset and can sit around a power pedestal, for much less than fiberglass.
Amazon $649.71Compare
Compare the DoxBox Fiberglass Rectangle 47" with any other dock box →
More from DoxBox: every DoxBox product ranked.