South Carolina's 187-mile Atlantic coastline delivers excellent shelling — especially after storms, at low tide, and on less-combed barrier islands.
| Shell / Item | Description | Best Spots |
|---|---|---|
| Sand dollars | Bleached white tests (skeletons) of keyhole urchins | Edisto, Hunting Island, Bulls Bay |
| Coquina | Tiny colorful clams (Donax) — often alive in wet sand | All beaches, swash zone |
| Shark teeth | Fossilized (black/tan) — megalodon, tiger, sand tiger | Edisto, Folly, Myrtle Beach (renourishment brings fossils) |
| Whelks | Knobbed, lightning, channeled — large predatory snails | Hunting Island, Capers, Bull Island |
| Oyster | Eastern oyster (Crassostrea virginica) — clusters, irregular | Marsh edges, creek mouths |
| Moon snails | Smooth, globular — drill holes in other shells | Low tide sand flats |
| Olive shells | Glossy, cylindrical — Lettered olive (state shell) | Surf zone, after storms |
| Angel wings | Fragile, white, wing-shaped (Cyrtopleura) | Muddy bottoms, exposed at extreme low tide |