Of 92 counties in the Crossroads of America, Clark County is 62nd in terms of its size (376 square miles). Clark County is in South Indiana. The total value of approximately 1,000 acres of riverfront land recently listed for sale in Clark County, Indiana, was about $7 million. Browse all waterfront property for sale in Clark 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 Clark County is house.