This facility is owned by the Seneca/Cayuga Tribe and boasts one of the largest game rooms in Oklahoma, featuring over 850 all-new Vegas-style machines and 14 table games. Grand Lake Casino has fantastic live bands, a sports bar and exquisite dining. A concession is open 24 hours for the player's convenience. You'll receive $5.00 Free Play on your card to join Club GLC!!! Membership is free and the benefits are BIG! The member's benefits include Free Play Mailers, exclusive promotions, invitations to Members' Only Events, and more! The Grand Lake Casino is open all day and every day (24 hours) for your entertainment enjoyment.