CHINA OCEAN SPORT UNION was established in 2014, located in the beautiful coastal city of Sanya. It is a tropical marine city with a humid climate and pleasant scenery.

The maritime school is located on the beach of Dadonghai scenic spot in Sanya City, Hainan Province. The sea area is very suitable for sailing, and it is suitable for sailing beginners to learn. Sanya Dadonghai scenic spot has been rated as 4A scenic spot, which is the first open scenic spot with zero charge in Sanya.

Chengdu Rainbow Sailing Club, set up on 2018. It is registered with Chengdu Civil Affairs Bureau, and provides sailing, sailboard and surfing courses by coaches own the Asian or National Champions. It also send outstanding students to professional team.