Water sports, including surfing, scuba diving, swimming and water-skiing are the most popular with tourists in Sanya. To join in the fun, visit one of the best places on Dadonghai beach or Wuzhizhou Island where you can embark on a submarine or swim amongst coral and tiny fish.

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Scuba diving: Sanya is the best place for diving all over the world. The water visibility is about 8-16 meters, even 25 meters at some places. Take an oxygen cylinder, wear a diving suit and goggles, and after some short and professional dive training, you will become a happy ´fish´ traveling under the sea and exploring the magical sea world.
Walking on the seafloor: No matter if you are a man or woman, young or old, good at diving or not, when putting on a diving suit and having simple gesture training, you can walk on the seafloor freely. It is the same as walking on the land. You never feel you are losing your breath or blurry. When the water touches your body lightly, you will feel comfortable and happy, just like walking in outer space.

Thermal spring: "The Shengzhou first thermal spring" is located on the Nantian farm of Sanya east gate. Here the average temperature of the water is approximately 57.6 °C. In the thermal spring, there are many kinds of minerals which can accelerate your metabolism, lessen the fatigue and are good for the treatment of arthritis and rheumatism.