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