The Diamond Casino and Resort is a luxurious locale, found in Vinewood at the corner of Vinewood Park Drive and Mirror Park Boulevard. In it, players can while away the hours with slot machines, gambling, horse racing, and engaging on a variety of other high-end activities.

Players freely roam San Andreas's open world countryside and fictional city of Los Santos, based on Los Angeles. The game world is navigated on foot and by vehicle, from either a third-person or first-person perspective.