The course involves passing medical requirements, watching a 20 - minute intro to scuba video, passing a simple written test and then a guided scuba diving tour for roughly 30 - minutes. (aroundtheworldwithjustin.com)
Guided snorkeling and scuba diving tours run every day. (snorkelsandiego.com)
This spectacular two - tank reef scuba diving tour takes you into a depth of 30 - 35 feet to explore the largest barrier reef in the Western hemisphere! (cancuntours.net)