Cranberry Lake is a hamlet in the eastern part of the Town of Clifton, in St. Lawrence County, New York, United States. It lies along New York State Route 3 on the north shore of Cranberry Lake. As of the 2020 census, Cranberry Lake had a population of 174. The community is listed as a census-designated place.
Cranberry Lake is the 3rd largest lake in the Adirondack Park and its surrounding land is primarily undeveloped and state owned. The Cranberry Lake area has many ponds, streams, and mountains with extensive trails, such as the Cranberry Lake 50, a 50-mile hiking trail around the Lake.
There is one remaining historic building in Cranberry Lake, the Presbyterian Church, built in 1897, that has been restored to a community gathering location in the center of town.
Cranberry Lake is located at (44.2225615, -74.8362986) and its elevation is .
According to the 2010 United States census, the CDP has a total area of , of which is land and is water.
The census-designated place is in the Clifton-Fine Central School District.