Sanya Institute of Deep Sea Science and Engineering, Chinese Academy of Sciences, is a scientific research institution directly under China Academy of Sciences. 20 1 1 was initiated by China Academy of Sciences and jointly established by Hainan Provincial People's Government, Sanya Municipal People's Government and China Academy of Sciences.

Sanya Deep Sea Institute aims to promote the country to build a maritime power, enhance the R&D strength of China's deep-sea scientific research and marine engineering technology, build an integrated system of scientific research, engineering technology and deep-sea operation, lead the development of China's deep-sea science, deep-sea technology, resource development and utilization, and devote itself to building and developing a modern base for research and development of frontier science and key technologies of deep-sea science and engineering, and become an open platform for national deep-sea R&D experiments.

The main research directions of the institute are the research of deep-sea related scientific problems, methods and instruments of deep-sea observation, deep-sea submersible technology and the development and utilization of deep-sea resources. On this basis, the deep-sea scientific research department and the deep-sea engineering technology department were established.