San Juan County is in Puget Sound Washington. Of the 39 counties in the Evergreen State, San Juan County is 36th in terms of its size (397,310 acres). Washington's San Juan County includes approximately 1,000 acres of undeveloped land for sale based on recent Land Network data. The combined market value of land for sale here was roughly $4 million. The average price of undeveloped acreage for sale in San Juan County was $894,500. Some suggested uses for undeveloped land currently for sale in San Juan County include for hunting/fishing, commercial, and orchard use. Some common wildlife species to be found on undeveloped land for sale in San Juan County include elk, turkey, whitetail deer, bear and deer. Current commercial applications for commercial property for sale in San Juan County include for hunting/fishing, commercial and orchard use. Browse all Washington undeveloped acreage for sale on the Land Network to find your next commercial property or land investment.