Adventurous Cozumel cruise experts who like fun excursions, what is your best suggestion for our shore stop?

We found many adventure tours in Cozumel on this site: http://cozumel-watersports.com/ToursandExcursionsCozumel.htm there is plenty of information on snorkeling, stingrays in Cozumel, visiting caves and cenotes, zip line, rappel, atv tours, off road tours and much more! Good luck!