Shelter Island Heights is a hamlet and census-designated place (CDP) located in the Town of Shelter Island, in Suffolk County, New York, United States.

It is located on the north side of Shelter Island, surrounding the village of Dering Harbor.

There were 1,374 housing units at an average density of 256.5 per square mile (99.0/km2).

The racial makeup of the CDP was 98.17% White, 0.31% African American, 0.41% Asian, and 1.12% from two or more races.

29.8% of all households were made up of individuals, and 20.7% had someone living alone who was 65 years of age or older.