Of 95 counties in the state, Marion County ranks 38th in terms of size (512 square miles). Marion County is in East Central Tennessee. A recent survey of Land Network data includes almost 1,000 acres of riverfront homes and property for sale in Tennessee's Marion County, which is valued at a combined $3 million. Browse all waterfront property for sale in Marion 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 Marion County is undeveloped land.