Naturally, not all of these gambling establishments resemble one another, except their minimal age requirement for players, which is 21+ years old. California may be the state that abounds in land-based casinos, but the Bay Area is an exception.Īlthough brick-and-mortar casino gambling is permitted exclusively to the Native American tribes, there is only a handful of them, and they are primarily located in the San Francisco Bay Area or the vicinity of approximately 120 miles.