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