Visit THE HOTEL at Black Oak Casino Resort - the best place to stay near Yosemite National Park. Mandalay bay casino pics. Elevate your stay with an escape to beautiful Tuolumne, CA. Many casinos close to L.A. And San Diego have over 2,000 slot machines, and over 100 table games in beautiful resort settings. In fact, two Southern California casinos, the San Manuel Indian Bingo & Casino, and Pechanga Resort & Casino, are two of the top ten biggest casinos in the United States. Both have over 3,800 slot machines.