atoll Synonyms

Atul enclosed by sea coastal landform South Pacific Polynesia Pacific Ocean half-island Eigg desert island coral island Clipperton ATOL biodiversity rock barrier coral isle great body of salt water ducie island ringlike island ring-shaped reef circular coral reef half-isle landmass barrier reef barrier island isle islander island insularity holm eyot enclave coral cay beach bar bank archipelago islet key sandbar sand bar sandbank Bahamas coral reef skerry shoal sanctuary rock ridge reef