Pleospora betae, P. pelvetiae, P. spartinae and P. vitalbae are reported from collections on intertidal wood from the Yellow Sea coast of China. Pleospora pelvetiae is a new record for China. Pleospora betae and P. vitalbae are reported for the first time from marine environments in the world and in China respectively. Plespora spartinae has previously been reported from Hongkong. Specimens were deposited in the Mycology Reference Collection at Qingdao Agricultural University (MRCQAU).