Hewlett is a hamlet and census-designated place (CDP) in the Town of Hempstead in Nassau County, on Long Island, in New York, United States. The population was 6,819 at the 2010 census.
Hewlett Bay Park is a village in the Town of Hempstead in Nassau County, on the South Shore of Long Island, in New York. The population was 494 at the time of the 2020 census.
Hewlett Bay Park Village Hall in Hewlett Bay Park, August 2022