On November 9-12, 2023, the 4-day International Digital Twins of the Ocean Summit 2023 (DITTO Summit 2023) was held as a major feature event of Xiamen International Ocean Week at the Xiamen International Convention Center Hotel. The Digital Twin Ocean International Summit was hosted by the "Digital Twin of the Ocean, DITTO" international program (the global program officially recognized by the United Nations "Ocean Decade" program), and co organized by the attached Marine Innovation Laboratory (preparatory) and the State Key Laboratory of Offshore Marine Environmental Science (Xiamen University).

The DITTO Summit 2023 arranged 15 parallel sub sessions around 7 conference topics, attracting over 450 experts and scholars from 19 countries and regions to attend.

China Star provided full PCO service for this summit.