About This Place
Pontoon Beach is a village in Madison County, Illinois, United States. The population was 5,620 at the 2000 census.
Pontoon Beach is located at 38°43′34″N 90°3′38″W / 38.72611°N 90.06056°W / 38.72611; -90.06056 (38.726078, -90.060505).
According to the United States Census Bureau, the village has a total area of 8.5 square miles (21.9 km²), of which, 8.2 square miles (21.2 km²) of it is land and 0.3 square miles (0.7 km²) of it (3.31%) is water.