Ambergris Caye is Belize's largest island Located next to the largest barrier reef in the western hemisphere, probably Belize's most oft-visited diving and snorkelling site. Experience spectacular coral formations, and a rich abundance and diversity of marine life. Hol Chan is Maya for 'Little Channel,' referring to the natural break in the reef known as Hol Chan Cut. Here The channel walls are covered with colourful corals, supporting a fantastic variety of fish life, including moray eels and black groupers.