The Xiamen Symposium on Marine Environmental Sciences (XMAS 2027) will be held from January 12 to 15, 2027, in Xiamen, China. Please note that the dates have been adjusted to accommodate the schedule of the C&D Xiamen Marathon 2027.

It is organized by the State Key Laboratory of Marine Environmental Science (MEL), Xiamen University, and the Department of Earth Sciences, National Natural Science Foundation of China (NSFC).