Isla Mujeres, the underwater MUSA museum, and close by cenotes are favourite spots. There are many destinations in which rookies can discover scuba diving and acquire their PADI license. Sea Turtles nest in May perhaps and Oct, so there is a very good potential for viewing them over the Seashore. https://ricardortqmg.glifeblog.com/31341786/fascination-about-best-cancun-activities