Sacandaga Lake (sa-kuhn-DAH-ga) is located in the Town of Lake Pleasant in Hamilton County, New York approximately west of Speculator. The outlet is a channel that leads to Lake Pleasant, which is the source of the Sacandaga River.
The lake covers an area of , entirely within the boundaries of New York's Adirondack Park, a mean depth of , and a maximum depth greater than 50 feet (15 m). It lies at an altitude of .
Moffitt Beach State Campground is a popular camping site on the lake.
Fish species present in the lake are brown trout, brook trout, smallmouth bass, walleye, pickerel, and brown bullhead. There is a state owned public access with parking for 30 trucks and trailers.