East Quogue is a hamlet and census-designated place (CDP) in the Town of Southampton in Suffolk County, on Long Island, in New York, United States. The population was 4,757 at the 2010 census.

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.