Of 36 counties in the Union State, Coos County ranks 20th in terms of size (1,806 square miles). Coos County is in Southern Oregon. Oregon's Coos County has about 1,000 acres of riverfront homes and property for sale based on recent Land Network data. The combined market value of land for sale here was nearly $10 million. 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! The most common type of land for sale by combined acreage in Coos County is residential property.