Star Lake is a hamlet (and census-designated place) in the Adirondack Mountains of St. Lawrence County, New York, United States.

Star Lake was listed on the National Register of Historic Places in 2012.

Star Lake is served by east–west New York State Route 3.

30.3% of all households were made up of individuals, and 15.7% had someone living alone who was 65 years of age or older.

The census-designated place is in the Clifton-Fine Central School District.