Guests must be 21 or over to book a hotel room and 21 or over to game. Visit our Meetings & Groups page for information on booking an event in our 30K square feet of meeting space including a ballroom, conference rooms and boardrooms with state-of-the-art audio/visual equipment. Resort pool with cabanas and beach bar on the river.Our resort offers a luxurious 483-room hotel rising 27 stories into the sky, a 30,000 square foot convention and meeting center, a 2,500 seat theater, The Cove, for live entertainment and sporting events, a tropical-themed resort pool and bar area, a variety of bars and restaurants, plus a 50,000 square foot Margaritaville Casino and Margaritaville Restaurant. It’s a tropical themed destination resort that brings a little slice of paradise to Tulsa! Discover gaming and entertainment at its best. Nowhere else features a larger collection of electronic games more than 8,100, plus 100 table games, a 55-table poker room, bingo and more. River Spirit Casino Resort is so much more than your average hotel casino. The WinStar World Casino and Resort in Thackerville started as a bingo hall on the Texas-Oklahoma border in 1991 but has grown into the largest casino resort in the world.