Isla Tortuga, a volcanic island in the Gulf of California, part of Baja California, Mexico
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La Tortuga Island, an uninhabited 156 km² island in the Caribbean Sea that is dependent on the government of Venezuela
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Dry Tortugas National Park, a national park consisting of Fort Jefferson and the Dry Tortugas
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Dry Tortugas, a group of islands in the Florida Keys in the United States
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