The largest barrier reef in the northern hemisphere, UNESCO added this site to the World Heritage in danger list in 2009. The system illustrates a classic example of reef types through fringing, barrier and atoll, and the regions seven sites provide a significant habitat for threatened species. This particular dive features Half Moon Cay, at the southern end of Lighthouse Reef Atoll. Image collect by Catlin Seaview Survey.
Can be seen here in Catlin Seaview Survey.