Not sure but probably 18 In oklahoma. Our resort in Tulsa, Oklahoma offers a luxurious room hotel rising 27 stories into the sky, a square foot convention and meeting center. Can you make a reservation at this Margaritaville Restaurant? Seating is usually first come, first served; however, priority seating may be available on a. River Spirit Casino Resort has brought a little slice of paradise to Tulsa with Margaritaville Casino & Restaurant, which opened in River Spirit Casino Resort es un hotel con aire acondicionado en las habitaciones, y es fácil permanecer conectado durante la estancia, ya que ofrece wifi. you must be 21 to enter the casino. Main amenities. River Spirit Casino Resort · Riverside Pkwy Tulsa, OK · info@[HOST] · () Toll Free: () . Casino; 5 restaurants and 2 bars/lounges; Full-service spa; Nightclub; Breakfast available; Free airport shuttle; Seasonal outdoor pool. River Spirit Casino in Tulsa - one the largest Gaming floors in Oklahoma. Georgene D · Tulsa, Oklahoma. ; Janie S · San Antonio, Texas. Promotions, Player's Club, Dining and Nightlife, live music and performances.