There are dozens of casinos tribal casinos in the Sooner State, and almost all of them are located on Indian reservations. Are All Casinos in Oklahoma on Indian Reservations? That way, you can still enjoy a similar gambling experience even if you cannot make the trip to a land-based casino. I will also give you online alternatives for each casino on my list. Keep reading to see my picks for the five best Indian casinos in Oklahoma. It can be easy to become overwhelmed with so many choices at your disposal. In addition to the large number of land-based casinos, there are also great online casinos in Oklahoma. In fact, bettors in this state have more than 100 different tribal casinos to choose from. The Sooner State is home to over 40 federally recognized tribes, so it should come as no surprise that there are dozens of Indian casinos in Oklahoma.