Search & find the closest mixed martial arts (MMA) gym in the Treasure Valley and Boise, Idaho Metropolitan Area. Find an MMA gym in Ada, Boise, Canyon, Gem and Owyhee Counties; and Boise, Boise City, Nampa, Meridian, Caldwell, Eagle, Garden City, Kuna, Emmett, Homedale, Middleton, Parma, Star and Wilder, ID.