Of 55 counties in the Mountain State, Gilmer County ranks 39th by size (340 square miles). Gilmer County is in Northwest West Virginia. West Virginia's Gilmer County has roughly 1,000 acres of riverfront land and property for sale based on recent Land Network data. The combined market value of farmsand rural real estate for sale here was about $700,000. Browse all waterfront property for sale in Gilmer 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 Gilmer County is residential property.