Sound Beach, New York

Sound Beach, New York
The Hartlin Inn has held a neighborhood fixture as restaurant and bar for most of Sound Beach's history
Sound Beach
Location within the state of New York
Coordinates: 40°57′25″N 72°58′15″W / 40.95694°N 72.97083°W / 40.95694; -72.97083
CountryUnited States
StateNew York
CountySuffolk
Area
 • Total
2.56 sq mi (6.62 km2)
 • Land1.64 sq mi (4.24 km2)
 • Water0.92 sq mi (2.38 km2)
Elevation
177 ft (54 m)
Population
 (2020)
 • Total
7,416
 • Density4,531.2/sq mi (1,749.51/km2)
Time zoneUTC-5 (Eastern (EST))
 • Summer (DST)UTC-4 (EDT)
ZIP code
11789
Area code631
FIPS code36-68374
GNIS feature ID0965650

Sound Beach, established in 1929, is a hamlet and census-designated place (CDP) in the north part of the Town of Brookhaven in Suffolk County, New York, United States. As of the 2020 census, Sound Beach had a population of 7,416.