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Snake Island, also known as Bare Island, is an island in Boston Harbor. The island is part of the Boston Harbor Islands National Recreation Area and is situated in the inner harbor between the town of Winthrop and the reclaimed land that forms Logan International Airport. It is part of the Town of Winthrop. It is named for its serpentine shape, and has a permanent size of 3 acres (12,000 m2), and rises to a height of 10 feet (3.0 m) above sea level.