The highest abundances (>0.36 particles/m2) were observed at the shelf stations (Elba Island and Portofino) associated with the wind direction and in the coastal portion of a transect of 10 stations oriented perpendicular to the Western Corsican coast, where a convergence area is associated with the Liguro-Provençal Front (Goffart et al., 2002). During the first period of the survey (Zone A), 61% of the stations showed an average abundance of microplastics greater than 0.05 particles/m2.