<p>This dataset, belonging as a whole to KYMA sea conservation &amp; research, comprises the monitoring data on great pelagics, mainly cetaceans and sea turtles, carried out in the central Mediterranean Sea, in particular in the southern Thyrrhenian Sea and western Ionian Sea since 2020. The research project is set up as a citizen science project. Spatial and temporal distribution of animals is studied using boat-based surveys.&nbsp;</p>