Clay County is in Eastern Kentucky. Of the 120 counties in the state, 301,524-acre Clay County ranks 19th by size. The most common type of land for sale by combined acreage in Clay County is house. Browse all waterfront property for sale in Clay 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!