. River Rock Casino, located in Northern California in Sonoma County, features slot machines, table games including blackjack, roulette, casino games. The Chickasaw Nation. The Koi Nation, a federally recognized tribe based in Sonoma County, unveiled plans Wednesday to turn a acre vineyard southeast of Windsor. The project will include a 2, Class III gaming machine. River Rock Casino: Not the Best California Indian Casino - See 86 traveler reviews, 16 candid photos, and great deals for Geyserville, CA, at Tripadvisor. Koi Indian tribe unveils plans for $ million resort in Sonoma County Koi Nation tribe's plan to build Sonoma County casino sees pushback from rival tribal. Located in the heart of wine country, nestled among the rolling hills of the Alexander Valley, River Rock Casino is one of the closest, most accessible gaming. Top 10 Best Indian Casino Near Napa, California · Napa Valley Casino · Vino Bello Resort · Uptown Theatre Napa · Silverado Resort · Fairmont Sonoma Mission Inn & Spa. Shiloh Road. This casino is located in a great location if you are visiting Sonoma or Napa. Koi Nation said it plans to build the Shiloh Resort & Casino on its property at E. Golf Course Drive West, Rohnert Park, CA Indian Casinos are. Shiloh Resort & Casino would be the third Indian gaming casino in Sonoma Cottage Way, Room W, Sacramento, CA Casino. Get your game on at our high-energy casino floor, which features 3, state-of-the-art slots, over table games, a live poker room, and VIP gaming salons.