Of 16 counties in the Pine Tree State, Oxford County ranks seventh by size (2,175 square miles). Oxford County is in Northwest Maine. Recent listings of riverfront property for sale in Maine's Oxford County totals 1,000 acres and a combined market value of almost $100,000. The most common type of land for sale by combined acreage in Oxford County is house. Browse all waterfront property for sale in Oxford 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 Oxford County is house.