Hamlin County is in Glacial Lakes & Prairies South Dakota. Of the 66 counties in the Coyote State, Hamlin County ranks 57th in terms of size (344,365 acres). The most common type of land for sale by combined acreage in Hamlin County is residential property. Browse all waterfront property for sale in Hamlin 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!