301 Boulevard SouthHuntsville, AL 35802 Phone: +1 256-881-4170Fax: +1 256-881-4921Toll Free: +877-STAY-HGI Hotel E-mailHotel Website Classification 4 Moderate First Class Commission Rooms Rates 10% 102 - Hoteliers! Is your information accurate? Update Here Hilton Garden Inn Huntsville South Location & Neighborhood Located off US-231 S. Memorial Pkwy, near the Redstone Arsenal - 17 MI from Huntsville Intl airport.