The datasets are the supplementary of the article "Trends in the Seaward Extent of Saltmarshes across Europe from Long-Term Satellite Data" published in Remote Sensing (year: 2019, volume: 11, issue: 14, page:1653) as part of the Special Issue Satellite-Based Wetland Observation. The authors of the this article are Marieke Liesa Laengner, Koen Siteur, and Daphne van der Wal