Of 66 counties in the state, McCook County is 53rd in terms of its size (576 square miles). McCook County is in Southeast South Dakota. The total value of about 1,000 acres of lakefront land and property recently listed for sale in South Dakota's McCook County was $2 million. Browse all waterfront property for sale in McCook 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 McCook County is recreational property.