The Town of East Hampton is located in southeastern Suffolk County, New York, at the eastern end of the South Shore of Long Island. It is the easternmost town in the state of New York. At the time of the 2020 United States census, it had a total population of 28,385.

Suffolk County is the easternmost county in the U.S. state of New York. It is bordered to its west by Nassau County, to its east by Gardiners Bay and the Atlantic Ocean, to its north by Long Island Sound, and to its south by Great South Bay. The county is part of the Long Island region of the state, of which it comprises the eastern two-thirds.