Globally, the coastal lagoons of Lagos (Nigeria), Sakumo (Ghana) and Bizerte (Tunisia) -- close to large urban centers and without waste and sewage treatment systems -- are among the most affected water ecosystems of this nature by microplastic pollution. However, the highest concentrations of microplastics have been detected in Barnes Sound and other small lagoons in a protected area in the north of Florida Bay (USA), a particular case that can be explained by the transport of microplastics carried by hurricanes from polluted areas.