If you love swimming, diving or an adventure and if you ever find yourself visiting the coast of Belize, you definitely have to make it one of your priorities to visit the Great Blue Hole, world’s deepest sea-hole, one of the world’s greatest natural wonders. The Great Blue Hole is located in Belize Barrier Reef Reserve System, about 60 miles away from Belize City. It is believed that this hole is the world’s largest sea-hole. It is about 125 meters deep and its diameter is about 300 meters wide. It has been created as a cause of sea level increase during several episodes of Quaternary glaciation about 65,000 years ago. It is very popular amongst tourist who often visit the place because of its almost perfect circle shape. This place is most attractive for scuba divers who are exploring the depths of this hole. It is known that there are a plenty of cave networks in this place. Divers also have a chance to see plenty rare animal species and forms of life which can be found only in this place, which presents additional uniqueness to this place. Usually, dive trips to the Great Blue Hole are full-day trips, which include one dive in the Blue Hole and two further dives in nearby reefs. Recently diving has also been offered from the island Long Caye in the Lighthouse Reef only a couple of miles away from the Great Blue Hole. They offer 2 dives in the Blue Hole: North side and South side.