Satellite-tracking data of 44 loggerhead sea turtles tracked from western Mediterranean between 2016-2018. Our dataset consists in a CSV file-format which provides the turtle identity name or number, the date and coordinates of the location data, and the Argos location class associated. A metadata spreadsheet file is also provided with other relevant information. Raw data was compiled from Argos, only Doppler locations class 2 and higher were included in the OBIS-ENV data transformation to provide location accuracy. Original dataset download link https://cloud.emodnet-ingestion.eu/index.php/s/wF4jn2ypDiAgJ2U