Clinton County is in Eastern Iowa. Of the 99 counties in the state, Clinton County ranks 14th in terms of size (710 square miles). The most common type of land for sale by combined acreage in Clinton County is homesite. 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!