West Hampton Dunes is an incorporated village in the Town of Southampton on Westhampton Island, in Suffolk County, New York, United States. Located off the South Shore of Long Island, the village's population was 126 at the time of the 2020 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.