In the last 5 years, the restoration of coral reefs, in the vicinity of the Marietas Islands National Park, is evident with the sowing of coral fragments, after the severe impact that was due to the lack of control in the number of people and boats allowed in the area. In the last monitoring carried out by researchers from the University Center of the Coast, of the University of Guadalajara, a notable increase of 22% was observed, when before that date it was 11%, according to records.