Shelter Island, New York

Shelter Island, New York
Town of Shelter Island
The Shelter Island Windmill, a historic landmark on Shelter Island.
Location in Suffolk County
Coordinates: 41°4′41″N 72°21′3″W / 41.07806°N 72.35083°W / 41.07806; -72.35083
Country United States
State New York
CountySuffolk
Government
 • TypeCivil Township
 • Town SupervisorAmber F. Brach-Williams (R)
Area
 • Total
29.11 sq mi (75.39 km2)
 • Land12.19 sq mi (31.58 km2)
 • Water16.92 sq mi (43.82 km2)
Elevation
56 ft (17 m)
Population
 (2010)
 • Total
3,253
 • Estimate 
(2016)
2,413
 • Density266.8/sq mi (103.01/km2)
Time zoneUTC-5 (Eastern (EST))
 • Summer (DST)UTC-4 (EDT)
ZIP Codes
11964, 11965
Area codes631, 934
FIPS code36-103-66839
GNIS feature ID0965037
Websitewww.shelterislandtown.gov

Shelter Island is an island town in eastern Suffolk County, New York, United States, near the eastern end of Long Island. The population was 3,253 at the time of the 2020 census.