This 600-mile-long barrier reef is the second longest coral reef in the world.
Also known as the Belize Reef or Great Mayan Reef, it is a dream for snorkelers and scuba divers. Its incredible biodiversity features over 60 types of coral and more than 500 species of fish. There are around 100 dive sites at your disposal, including Puerto Morelos, Cozumel and Playa del Carmen. Find a dive center and get ready to explore conch, gorgeous coral, sea turtles, sea horses and more amid a reef only second to Australia’s Great Barrier Reef.