The NAV conference, organised by “Associazione Italiana di Tecnica Navale”, is the major Italian scientific event on maritime technology issues. The last edition was held in Genoa in 2022 and now we are announcing the new edition. The NAV 2025 conference will take place in three days, covering the whole spectrum of maritime technology themes, with particular attention to new methods for the use of the sea as a source of energy and resources.