Lake Lindsey is an unincorporated community and census-designated place (CDP) in Hernando County, Florida, United States.

According to the United States Census Bureau, the CDP has a total area of 0.089 square miles (0.23 km2), all land.

There were 30 housing units at an average density of 1,351.1 per square mile (521.7/km2).

34.8% of all households were made up of individuals, and 13.0% had someone living alone who was 65 years of age or older.

There were no families and 15.9% of the population living below the poverty line, including no under eighteens and none of those over 64.