Coos County is in Southern Oregon. Of the 36 counties in the Beaver State, Coos County ranks 20th in terms of size (1,806 square miles). The most common type of land for sale by combined acreage in Coos County is residential property. Browse all waterfront property for sale in Coos 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!