Visit Southern California's ultimate gaming, dining, golf & resort destination with tier matching for club members. Morongo (out past San Bernardino) is another. Barona is one. All guests 21 and over are invited to Valley View Hotel & Casino, including + slots, table games, outstanding restaurants, and guest services. Voted Best Casino in San Diego 13 Years. At this time, we are only allowing those who are 18 years of age or older onto property, including the hotel. We will remain San Diego's ONLY non-smoking. There aren't many casinos that allow 18 year-olds. Feel at home as you walk through the doors of Sycuan Casino, San Diego's top choice for fun and excitement in a casual environment. About 20 years ago, California voters approved casino-style gaming on California Indian tribal land. Viejas Casino & Resort is the best casino in San Diego with the best players club, myViejas, exciting casino gaming, award-winning dining, and luxurious. Everything else is 21+. Top 10 Best Casino 18+ Near San Diego, California · Barona Resort & Casino · Jamul Casino · Seven Mile Casino · Sycuan Casino Resort · Viejas Casino & Resort. Casinos in San Diego's East County · Sycuan Casino · Viejas Casino · Barona Valley Ranch Casino · Jamul Casino -San Diego · Golden Acorn Casino · San Diego North. Seven Mile Casino · Jamul Casino · Barona Resort & Casino · Sycuan Casino Resort · Pechanga Arena San Diego · Viejas Casino & Resort · Pala Casino Spa & Resort. With 18 Native American tribes, San Diego county has. . Located in the eastern.