East Setauket is a hamlet and census-designated place (CDP) on Long Island, in the town of Brookhaven, Suffolk County, New York, United States. It was first listed as a CDP prior to the 2020 census. Before that it was part of the Setauket-East Setauket CDP. It includes the hamlet of South Setauket. within the CDP.
Zip Codes in East Setauket, NY that we also serve: 11733