Of 39 counties in the state, Asotin County ranks 35th in terms of size (640 square miles). Asotin County is in Eastern Washington. Washington's Asotin County has about 1,000 acres of riverfront land for sale based on recent Land Network data. The combined market value of land and rural real estate for sale here was about $5 million. Browse all waterfront property for sale in Asotin 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 Asotin County is undeveloped land.