Lake Mohegan, commonly known as Mohegan Lake, is a census-designated place located in the Town of Yorktown in Westchester County, New York, United States. There is a private lake, Mohegan Lake, also known as "Lake Mohegan", with beaches which are occasionally closed for swimming due to harmful algal blooms. The town was home to several former summer bungalow colonies in the 1950s and 1960s. They included the Skyview Colony and Lakeview Colony off U.S. Route 6.