Lake Crystal, MN
Lake Crystal is a city in Blue Earth County, Minnesota, United States. The population was 2,549 at the 2010 census. It is part of the Mankato–North Mankato Metropolitan Statistical Area.
According to the United States Census Bureau, the city has a total area of 1.8 square miles (4.6 km²), all of it land. The city has three lakes close by: Crystal Lake, Lily Lake, and Loon Lake.
Minnesota State Highway 60 serves as a main route in the city.