Keyhole Sand Dollar

Mellita quinquiesperforata

Markings and exact colorations may vary.

A flat urchin with five slots through the test and a five-petal flower on top.

Typical size
2 to 4 inches
How often it turns up
Common
Collecting
Restricted

Only clean, white, spine-free tests may be collected. Live collection is prohibited in many areas.

Handling
May be alive

If it is brown or fuzzy, it is alive. Put it back in the water, sand side down.

How to tell it apart

  • Five elongated slots through the body
  • Five-petal pattern on the upper surface
  • Bleached white when dead, brown and fuzzy when alive

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.

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

  • Sea BiscuitClypeaster species

    Sand dollars are flat with slots through the body. Sea biscuits are domed and solid.

More sand dollars in the field guide

Browse every sand dollars in the guide

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