The Buffet: Buffet 4pm - 10pm Four Diamond Resort.casino them party KEN CUTHBERTSON AND CHEROKEE CASINO Chumash Casino Resort is a Native American Casino in Santa Ynez, California and is open daily 24 hours. The casino 's , square foot gaming space features 2, gaming machines and forty-four table and poker games. The hotel portion of the Chumash Casino Resort is made up of two towers with over rooms and over 50 suites. One of them is more recent and therefore an addition to what originally was. Resort. Hotel. Our AAA Four Diamond-rated hotel has grown and now features a foot tower, increasing occupancy to rooms including 58 suites.