Lake Waccamaw is a unique fresh water lake located in Columbus County in North Carolina. The lake is oval in shape measuring roughly 5.2 miles (8.4 km) by 3.5 miles (5.6 km) covering 8,938 acres (3,617 ha) surface area with an average depth of 7.5 feet (2.3 m) and a shoreline of about 14 miles (23 km). The marginal 70% of the lake bottom is composed of clear sand, whereas the central 30% is overlaid with a deposit of fibrous and pulpy peat. The lake is fed by four creeks: First, Second, Third, and Big Creeks.