GREAT BLUE HOLE - Belize dive site t-shirt - One of the most astounding dive sites to be found anywhere on earth, right in the center of Lighthouse Reef is a large, almost perfectly circular hole approximately one quarter of a mile (.4 km) across. Here you can see Bull, Reef and Hammerhead sharks as well as some awesome stalactites and cave formations. A truley memorable dive. This ismage is part of our top 10 dive site collection and has the co ordinates for this amazing site.