By the end of the month ESA will launch the Sentinel-3B Earth observation satellite to join its twin brother Sentinel-3A in orbit. Both satellites are part of Copernicus, the European Union’s earth observation programme lead by the European Commission. Copernicus aims at monitoring our planet and freely providing data for the Copernicus services, the scientific community and to any other interested party. In this video different examples of Sentinel-3 data usage for oceanic research are explored.