Lake Sharpe is a large reservoir behind Big Bend Dam on the Missouri River in central South Dakota, USA. The lake has an area of 56,884 acres (230.20 km2) and a maximum depth of 78 ft (24 m). Lake Sharpe is approximately 80 mi (130 km) long, with a shoreline of 200 mi (320 km). The South Dakota Department of Game, Fish and Parks maintains several recreation areas and boat launching facilities around the lake. West Bend Recreation Area and Farm Island State Recreation Area are both located on the lake.