Hop aboard a glass bottom boat and snorkel at prime locations offshore from cozumel on this half day guided tour in cozumel reefs national marine park at el cielo dig your toes into the soft sandy sea floor next to sea stars propel your fins beside sea turtles at columbia reef then drift with the current at palancar reef as you watch colorful fish eagle rays nurse sharks and coral reefs pass by sip bottomless beer juice and water on board between snorkeling stops