Of 95 counties in the Volunteer State, Washington County is 69th in terms of its size (329 square miles). Washington County is in Eastern Tennessee. Recent listings of riverfront land and property for sale in Tennessee's Washington County totals around 1,000 acres and a combined market value of nearly $3 million. The most common type of land for sale by combined acreage in Washington County is house. Browse all waterfront property for sale in Washington 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 Washington County is house.