Of 66 counties in the Mount Rushmore State, Edmunds County ranks 25th by size (1,151 square miles). Edmunds County is in Glacial Lakes & Prairies South Dakota. Recent listings of lakefront homes and property for sale in South Dakota's Edmunds County totals about 1,000 acres and a combined market value of $200,000. The most common type of land for sale by combined acreage in Edmunds County is farms. Browse all waterfront property for sale in Edmunds 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 Edmunds County is farms.