Fremont County is in Eastern Idaho. Of the 44 counties in the state, 1 million-acre Fremont County ranks 17th by size. The most common type of land for sale by combined acreage in Fremont County is residential property. Browse all waterfront property for sale in Fremont 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!