When you enter Cimarron Casino, you are met with an air of friendly familiarity and enough smiles to make you feel right at home. The gaming floor at Cimarron Casino is full of the latest Vegas-style games and the Cimarron Grille caters to guests as they play. Cimarron Casino is open 24 hours and is located in Perkins, Oklahoma at the junction of Highway 33 and 177, just 10 miles south of Stillwater.