Of 92 counties in the Hoosier?State, Harrison County is 15th in terms of its size (486 square miles). Harrison County is in South Indiana. Indiana's Harrison County has 1,000 acres of riverfront land and property for sale based on recent Land Network data. The combined market value of farms, rural land, hunting land and other land for sale here was nearly $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 residential property.