Stony Brook Southampton is a campus location of Stony Brook University, located in Southampton, New York between the Shinnecock Indian Reservation and Shinnecock Hills Golf Club on the eastern end of Long Island.

Southampton, officially the Town of Southampton, is a town in southeastern Suffolk County, New York, partly on the South Fork of Long Island. As of the 2020 U.S. census, the town had a population of 69,036. Southampton is included in the stretch of shoreline prominently known as the Hamptons.