The “Bałtyk 2015” Conference took place at the Institute of Oceanology, Polish Academy of Sciences, Sopot, on 14-16 October 2015. It was organized by the SatBałtyk Consortium. The main objective of the “Bałtyk 2015” conference was to discuss and pass on to interested parties knowledge about the state of and threats to the Baltic Sea environment. Modern monitoring techniques were presented during lectures by invited experts. More than 2000 people attended the three-day event. You can find more information about the conference here. Abstracts of presentations and posters: http://www.iopan.gda.pl/baltyk2015/ Photos: http://www.iopan.gda.pl/Albumy/Baltyk2015/ TASK Television broadcast: http://tv.task.gda.pl/?p=2334