Lake Pleasant is a town in Hamilton County, New York, United States. The population was 781 at the 2010 census. It contains the hamlet of Lake Pleasant, the county seat of Hamilton County.
The town of Lake Pleasant is within the Adirondack Park and is centrally located in the county. The town is a tourist hub, with seasonal homes comprising about three-quarters of the housing units in the area. Between Memorial Day and Labor Day, the unofficial summer season, the small town is a busy community, with many activities including a parade, fireworks, summer musical, camping, hiking, water activities, historical activities, art show, geocaching, and mountain biking.