Between 20th – 28th January at Boot Düsseldorf 2024, the German Ocean Foundation, EC DG MARE, EMODnet and the Scuba Schools International (SSI) unveiled the largest Ocean Citizen Science Initiative to-date, which sees divers and wider water sports enthusiasts collecting ocean data using low-cost, high-quality sensors, with in situ data being made available through EMODnet as the EC marine data service. EMODnet Physics is the driving force behind this collaboration on behalf of the EMOD-network.