If you've always wanted to become a certified scuba diver but never had the time, Red Coral is authorized to issue both PADI and CMAS certification. Short-termers can rent snorkeling equipment, take glass-bottom boat rides, or accompany a scuba instructor for a supervised night dive. Other water sports run from RMB300 (parasailing) to RMB900 (night diving). CMAS (6 day course) for RMB2800, PADI (3-5 day course) RMB3800. Equipment and training materials included. .