Vacant Lot or Land for sale by owner in Hailey, ID 83333. East Fork Horse Property An attractive, 5.03 acre building lot in desirable East Fork. Only six miles from the River Run ski lifts, Ketchum, and Sun Valley. The southern exposure has outstanding views in all directions. The well is in and horses and outbuildings are allowed. No HOA fees. The lot lies within the Blaine county Mountain Overlay District, but the large, mostly level building envelope is located within the MOD buffer zone.... See site for full property details.