Mexico Adventurers Guide to One Week in Quintana Roo Featuring seaside Mayan ruins to explore, sandy beaches for relaxing and undersea caves for diving. The Adventurers Guide to one Must See Cenotes Near Tulum Tulum is a Mexican town on the Caribbean coastline of the Yucatán Peninsula. We spent 4 days in this gorgeous Hidden Gem with Secret Cenote A National Park beach facing the turquoise waters of the Caribbean Sea. Plus a secret cenote that will make your Pin91ShareTweetShareFlip91 Shares