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The Cayman Islands are three islands, Grand Cayman, Cayman Brac and Little Cayman, located in the Caribbean Sea. With a latitude between 19 degrees 15 minutes and 19 degrees 45 minutes North, and a longitude between 79 degrees 44 minutes and 81 degrees 27 minutes West, they are well within the tropical zone.
Grand Cayman is about 150 miles south of Cuba and 180 miles west of Jamaica. The three islands are outcrops of the Cayman Ridge, a range of submarine mountains extending west southwest from the Sierra Maestra range in the southeast portion of Cuba to the Misteriosa Bank in the direction of Belize.
The Cayman Trough lies between the Cayman Islands and Jamaica. It is the deepest part of the Caribbean, being over four miles deep. South, towards the Gulf of Honduras, is the Barlett Deep. These deep areas of ocean are in close proximity to the three islands. This, combined with the fact that Grand Cayman and Little Cayman are almost surrounded by living coral reefs, provide the Cayman Islands with some of the most popular dive sites in the world. However, there is no possibility of a fishing industry because apart from the Cayman Bank, a five-mile by half-a-mile area some ten miles west of Grand Cayman which lies at 15 to 20 fathoms, there is no continental shelf.
The total area of the three islands is about 100 square miles. Grand Cayman is about 76 square miles, Cayman Brac, 14 square miles and Little Cayman, 10 square miles.
Grand Cayman is approximately 22 miles long and 8 miles at the widest point wide. The highest elevation is about 60 feet above sea level and the most striking topographical feature is the North Sound, a shallow reef protected lagoon with an area of about 35 square miles.
Cayman Brac lies about 90 miles east northeast of Grand Cayman. It is about 12 miles long and a little over a mile wide. The Bluff is the Brac's most outstanding feature, rising along the length of the island and reaching a height of 140 feet at the eastern end then falling in a shear cliff to the sea.
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