Students and researchers at the University of the Caribbean together with members of the Cooperative Sea of ​​the Antilles, conducted an oceanographic campaign at the site called cayo Alcatraz, where there are two underwater springs also known as “ojos de agua”. These springs are located within the polygon of the protected area of ​​the Mexican Caribbean Biosphere Reserve, to the west of Isla Contoy National Park. The purpose of the campaign was to begin studies of the environmental conditions and reconnaissance of the site. The measuring instruments used were; SonTek CastAway-CTD, and a Gopro Black 7 camera.  were made a set of 12 temperature, salinity, and conductivity profiles. Water samples were also taken for subsequent microbiological analysis.