This dataset is a compilation off all sea surface micro- and mesolitter data produced by Oceaneye between 2011 and 2020 during several volunteer monitoring expeditions with the use of manta nets. The dataset provides in-depth information such as station location, date, time, sampling distance and wind speed, but also number and mass of items for the different categories. More info at concerning the methodology : - https://doi.org/10.13120/19774e8d-db01-4cba-a20d-461bcd0cd850 - https://doi.org/10.13120/633699ca-8443-4fe4-8926-ebf48d115f38