Of 46 counties in the state, Williamsburg County ranks eighth in terms of size (937 square miles). Williamsburg County is in Pee Dee South Carolina. There is around 1,000 acres of riverfront property for sale in South Carolina's Williamsburg County based on recent Land Network data. The combined market value of farms, hunting land and other rural land and acreage for sale here is about $2 million. Browse all waterfront property for sale in Williamsburg 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 Williamsburg County is undeveloped land.