Hyatt Regency Sanya Center is a five-star luxury hotel. According to the Hyatt Regency Sanya Center website, Hyatt Regency Sanya Center is a five-star luxury hotel. Hyatt Regency Sanya Center offers spacious guest rooms, flexible space for working or socializing, a fitness center open 24 hours a day, and dining venues, and most hotels offer complimentary breakfast during your stay.