The Panhellenic Symposium of Oceanography andFisheries was firstly launched in Athens, 35 years agosparked by the enthusiasm of the Greek aquatic scientists,massively supported by the voluntary contributionof the Hellenic Centre for Marine Research (HCMR)employees. Over the last three decades, the Symposiumestablished and flourished as the forum for a wide rangeof marine and freshwater disciplines in the country. It becamea tradition to a large audience since it has attractedresearchers, academicians, students, entrepreneurs andthe industry both from Greece and adjacent countries.The initial enthusiasm and support is growing with theinclusion of Universities and other educational/researchinstitutes in the organization scheme.The “12th Panhellenic Symposium of Oceanographyand Fisheries” 1 did not only deliver big changes in itsoperational mode but also opened new horizons to thescientific communities of Greece and adjacent areas. Ithas been a tipping point in this type of events in manyaspects.