Mountain Hot Tub Share: Hot Tubs & Home Spas Mountain Hot Tub Visit Website 2744 W. Main St. Bozeman, MT 59718 (406) 586-5850 (800) 443-5348 About Map About Hot spring portable spas, custom installations, sales and service. Call our Big Sky customer service department or visit our large Bozeman showroom for your design, installation, or service needs. We have served the Big Sky area since 1979. What's Nearby? Distance: 5 10 15 20 25 50 mi.