Of 95 counties in the Volunteer State, Polk County ranks 49th by size (442 square miles). Polk County is in East Central Tennessee. A recent survey of Land Network data includes about 1,000 acres of riverfront homes and property for sale in Tennessee's Polk County, which is valued at a combined $669,000. Browse all waterfront property for sale in Polk 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 Polk County is residential property.