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is a hamlet (and census-designated place) in the South Fork of Suffolk County, New York, United States. The population was 1,381 at the 2000 census.
Shortly after the founding of Southampton in 1640, settlers began to move east to the area known by the Shinnecock Indians as Sagaponack and Mecox. At the head of Sagg Pond the hardy Pilgrims established a settlement called Bullhead, later renamed Bridgehampton -- after the bridge built across the pond. Sagg Bridge was built in 1686 by Ezekiel Sandford. The Bridge was the link between Mecox and Sagaponack and gave this locality its name of Bridgehampton.
According to the United States Census Bureau, the CDP has a total area of 11.2 square miles (29.0 km²), of which, 9.3 square miles (24.2 km²) of it is land and 1.8 square miles (4.7 km²) of it (16.37%) is water.