Of 36 counties in the Union State, Marion County ranks 27th by size (1,190 square miles). Marion County is in Northwest Oregon. There is 1,000 acres of lakefront land and property for sale in Oregon's Marion County based on recent Land Network data. The combined market value of farms, ranches, hunting land and other land for sale here is roughly $2 million. Browse all waterfront property for sale in Marion 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 Marion County is residential property.