Red Garter Saloon and Ruby House Restaurant, The 126 Winter Street, Keystone, SD 57751, 605-666-4404, An authentic Old West atmosphere greets you at this restaurant that offers exquisite food at reasonable prices, complemented by domestic and import beers on tap and in bottles. The restaurant and saloon also features daily "Comedy Western Gunfights" and nightly entertainment. They are open daily for lunch and dinner from mid-April to late October. more... 

Rushmore Supperclub & Lounge 235 Swanzey Street, Keystone, SD 57751, 605-666-4501, Enjoy Arizona style Mexican food, as well as prime rib, seafood, steaks, and the biggest burgers in the Hills, while at this restaurant that offers both indoor and outdoor seating options. They are open daily for lunch and dinner.