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100 Percent Non Smoking. The Days Inn-Brookings features a Waterpark on-site - fees apply, executive office and exercise room. The Ground Round is located on the premises offers a wide variety on the menu and serves lunch and dinner. The Sports bar offers a large screen TV, the South Dakota Video Lottery, Karaoke night on Wednesday. Connecting rooms are available upon request. The Days Inn-Brookings is 1.50 miles from South Dakota State University and half a mile from Walmart. We are just minutes away from several corporate offices and located 48 miles from Dakota Sioux Casino. Small Dogs allowed for a fee.