Sea Biscuit
Clypeaster species
Markings and exact colorations may vary.
A thick, domed relative of the sand dollar shaped like a small loaf.
- Typical size
- 2 to 5 inches
- How often it turns up
- Uncommon
- Collecting
- Restricted
- Handling
- May be alive
Only dead, cleaned tests.
Check for spines and movement before keeping.
How to tell it apart
- Domed rather than flat
- Five-petal pattern on top
- Thick, sturdy test
Where to find these in Florida
Beaches rated very good or excellent for sand dollars. Each page shows today’s score, the best window and access details.
- Anclote Key Preserve State Park · Tarpon Springs
- Beer Can Island (Greer Island) · Longboat Key
- Boca Grande Public Beach · Boca Grande
- Cayo Costa State Park · Cayo Costa
- Dr. Julian G. Bruce St. George Island State Park · St. George Island
- Fort De Soto North Beach · Tierra Verde
- Keewaydin Island · Naples
- North Captiva Island Beach · North Captiva
- T.H. Stone Memorial St. Joseph Peninsula State Park · Port St. Joe
- Tarpon Bay Road Beach · Sanibel
- Tigertail Beach · Marco Island
Found one?
Photograph it and BeachNut ranks the likely matches with a confidence read, then logs it to your collection with the beach and date.
Browsing beaches and the full field guide is free. A free account logs unlimited finds and gives you three photo identifications a day.
Commonly confused with
Keyhole Sand DollarMellita quinquiesperforata
Sand dollars are flat with slots through the body. Sea biscuits are domed and solid.
More sand dollars in the field guide
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