Lady Lake is a town in Lake County, Florida, United States. The population was 11,828 at the 2000 census. As of 2005, the population recorded by the U.S. Census Bureau is 13,244. It is part of the Orlando–Kissimmee–Sanford Metropolitan Statistical Area. Area history is exhibited at the Lady Lake Historical Society Museum.Lady Lake is located at 28°55′45″N 81°55′51″W (28.929165, -81.930888).According to the United States Census Bureau, the town has a total area of 6.8 square miles (18 km2), of which, 6.6 square miles (17 km2) of it is land and 0.1 square miles (0.26 km2) of it (2.07%) is water.