Of 46 counties in the Palmetto State, Dorchester County ranks 27th by size (571 square miles). Dorchester County is in Low Country South Carolina. South Carolina's Dorchester County has almost 1,000 acres of riverfront property for sale based on recent Land Network data. The combined market value of land for sale here was about $400,000. Browse all waterfront property for sale in Dorchester 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! The most common type of land for sale by combined acreage in Dorchester County is residential property.