As discussed in the section above, the legal entry age for casinos in Oklahoma is However, The legal age to gamble in Oklahoma City, OK, is 18 years. Riverwind Casino · 4. River Spirit Casino Resort · 6. Red Hawk Gaming Center · Wetumka · Hughes ; Remington Park Racetrack & Casino · Oklahoma City · Oklahoma ; RiverStar Casino, Terral, Jefferson ; River Spirit. Must be 18 to participate. All gaming Guests must be at least eighteen (18) years old to wager; proof of age may be required. Get the details on Oklahoma WinStar World. More than 70 casinos in Oklahoma offer a variety of slot machines, card & table games and horse racing thrills. Choctaw Casino Resort · 3. Table Game availability and live entertainment based on Casino location. 1. Guests must be actively playing with their Club Osage card. There are Indian casinos and gaming centers owned by 33 tribes in Oklahoma. WinStar World Casino and Resort · 2. There are no casinos in Oklahoma that accept year-olds. Restaurants on-site. Riverwind Casino Norman, OK-9, Oklahoma City, OK , 18+ ; Sac & Fox Nation Stroud Casino, Rd, Stroud, , 18+ ; SaltCreek Casino, US-. View Promotions Now — We provide our customers with a best-in-class gaming experience. Except otherwise stated, children under 18 years old are not allowed in casinos in. · Minors are prohibited from being left unattended on the. Oklahoma has more Indian casinos than any other state in the nation. . River Bend Casino · 5.