Of 115 counties in the Ozark State, Oregon County ranks 14th in terms of size (791 square miles). Oregon County is in Southeast Missouri. Missouri's Oregon County includes approximately 1,000 acres of riverfront property for sale based on recent Land Network data. The combined market value of farms and ranches for sale here was nearly $7 million. Browse all waterfront property for sale in Oregon 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 Oregon County is house.