Bay Shore is a hamlet, located in the Town of Islip, County of Suffolk County, New York, United States. Bay Shore celebrated its 300th anniversary in 2008. The population was 23,852 at the 2000 census. Bay Shore is 42 miles from Manhattan, 75 miles from Montauk and 69 miles from Orient Point. Bay Shore is surrounded by West Islip, Brightwaters, and West Bay Shore to the west, North Bay Shore, Brentwood, Baywood, and Deer Park to the north, Islip to the east, and the Great South Bay and Fire Island to the south. Bay Shore has a railroad station of the Montauk Branch of the Long Island Rail Road, which serves both commuters and vacationers as a major gateway to Fire Island and New York City. Bay Shore (along with Brightwaters) is served by the Bay Shore Union Free School District.