Of 75 counties in the Wonder State, Sebastian County ranks 74th in terms of size (547 square miles). Sebastian County is in River Valley Arkansas. Recent Land Network data totals about 1,000 acres of lakefront land and property for sale in Arkansas's Sebastian County, which is valued at a combined $2 million. Browse all waterfront property for sale in Sebastian 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 Sebastian County is house.