Book today at the smoke-free Quality Inn hotel in Keystone, SD! Our Keystone hotel is located near Mount Rushmore and across the street from the Lincoln Borglum Story Museum. Be sure to also check out the National Presidential Wax Museum. Explore the great outdoors with hiking, biking and ATV trails nearby as well as several caves and national parks. Start every morning with our free hot breakfast and relax in the evening with our indoor heated pool and hot tub. Our rooms feature a microwave, refrigerator, hairdryer, recharge device, coffee maker and more. Book today at the Quality Inn hotel in Keystone, SD!