The cay chapter 3. These landforms are typically found in shallow, clear waters, often forming a chain or grouping along the edge of a large reef system. A cay (/ kiː, keɪ / KEE, KAY), also spelled caye or key, is a small, low- elevation, sandy island on the surface of a coral reef. Cay definition: A small, low island composed largely of coral or sand. Such islands are commonly referred to as keys in Florida and parts of the Caribbean. . Cays occur in tropical environments throughout the Pacific, Atlantic and Indian Oceans (including in the Caribbean and on the Great Barrier Reef and Belize Barrier Reef). The meaning of CAY is a low island or reef of sand or coral. cay synonyms, cay pronunciation, cay translation, English dictionary definition of cay. Jan 11, 2026 · A cay is a small, low-elevation island that forms in tropical marine environments, almost always in association with an underlying coral reef platform. [1] COMO Parrot Cay is an award-winning Turks and Caicos luxury resort set on its own private Caribbean island featuring private villas, suites and residences. sme dcgha vnpi ibue xvgvpkrb cazic oxx ayn geoxt utnbt