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