Of 44 counties in the Gem State, Bannock County is 27th in terms of its size (1,148 square miles). Bannock County is in Southeastern Idaho. Idaho's Bannock County has around 3,000 acres of lakefront property for sale based on recent Land Network data. The combined market value of farms and ranches for sale here was about $13 million. Browse all waterfront property for sale in Bannock 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 Bannock County is undeveloped land.