Facing Virginia on the banks of the Potomac River, 450-square-mile Charles County is anchored to the south of the busy metropolitan Washington, D.C., area. Located in Southern Maryland, 642-square-mile Charles County is one of the ten biggest counties in the state. The most common type of land for sale by combined acreage in Charles County is residential property. Browse all waterfront property for sale in Charles County on the Land Network to find the marina, lakefront and other recreational property that meets your needs, from waterside land perfect as a retirement investment to existing residential waterfront land and property for hunting, fishing and other outdoor-recreation pursuits!