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Mount Sinai

Trip Planner USA  /  New York State  /  Long Island  /  Mount Sinai
Mount Sinai is a hamlet and census-designated place (CDP) located within the Town of Brookhaven in Suffolk County, New York, United States. The population was 12,118 at the 2010 census. The hamlet is located on the North Shore of Long Island, and is served by the Mount Sinai School District. Mount Sinai's ZIP code is 11766.Mount Sinai was first settled in the 1660s and was known by the name of Old Mans until a name change in the 1840s. Initially an agricultural hamlet, it transitioned into a popular resort town in the late-19th century and developed into a suburb of New York City in the mid-20th century. While primarily a residential community, the hamlet contains Mount Sinai Harbor and its popular public beach, Cedar Beach.HistoryOriginsThe area now known as Mount Sinai was originally called Nonowatuck, or "stream that dries up", by the Seatocot family of native Americans who lived here. The first European settlers were Colonial settlers living in what is now Setauket, who obtained a deed from these local Native Americans in 1664.
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