Of 99 counties in the Hawkeye State, Clinton County is 14th in terms of its size (710 square miles). Clinton County is in Eastern Iowa. Iowa's Clinton County has roughly 1,000 acres of riverfront land for sale based on recent Land Network data. The combined market value of land and rural real estate for sale here was approximately $500,000. Browse all waterfront property for sale in Clinton 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 Clinton County is undeveloped land.