Of 92 counties in the state, Harrison County ranks 15th by size (486 square miles). Harrison County is in South Indiana. Recent Land Network data totals 1,000 acres of riverfront property for sale in Indiana's Harrison County, which is valued at a combined $1 million. Browse all waterfront property for sale in Harrison 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 Harrison County is house.