Cay
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A cay, also spelled caye or key, is a small, low-elevation, sandy island on the surface of a coral reef. Cays occur in tropical environments throughout the Pacific, Atlantic, and Indian oceans, includ
Heron Island, Australia
Cay sand under an optical microscope
Warraber Island, Torres Strait
FFS Table bottom
Heron Island (Queensland)
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Heron Island is a coral cay located near the Tropic of Capricorn in the southern Great Barrier Reef. It is 87 kilometres north-east of Gladstone, Queensland, Australia, and 460 km north-north-west of
Cay
…as Sand Key, are "cays" as defined above. (Most of the Florida Keys are exposed ancient coral reefs, and the oolite beds that formed behind reefs.) Heron Island, Australia, a coral cay on the southern Great Barrier Reef Prickly Pear Cays, Anguilla…
Heron Island
Harbour and Research Station from helicopter
Heron Island Research Station in 2005
Harbour and jetty, loading passengers onto launch