“We’re going to do some world-class pampering,” said Joe Hasson, the casino’s vice president and general manager. Premium Double Room at Graton Resort & Casino Hotel. The six-story hotel, with an expansive ballroom for concerts and conventions, essentially doubles the resort’s size and boosts its bid to compete as an overnight Wine Country destination, with Vegas flair. Rendering of guest room suite at Graton Resort & Casino Hotel in Rohnert Park.