Power County is in Southeastern Idaho. Of the 44 counties in the Gem State, Power County is 21st in terms of its size (1,442 square miles). The most common type of land for sale by combined acreage in Power County is undeveloped land. Browse all waterfront property for sale in Power 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!