Keystone, SDDesigned by dPower Inc. |
| Big Time Pizza | 206 Cemetery Rd, Keystone, SD 57751 |
| Keystone House Restaurant | 217 Winter St, Keystone, SD 57751 |
| Mt Rushmore All Amer. Family | 212 Winter St, Keystone, SD 57751 |
| Ruby House | 126 Winter St, Keystone, SD 57751 |
| Rushmore Supper Club | 253 Swanzey St, Keystone, SD 57751 |
| Railhead Family Restaurant | 102 Winter St, Keystone, SD 57751 |