Welcome to Bahamas Underground located in Marsh Harbor, Abaco, your exciting adventure facility that offers the greatest cave diving courses and guided diving services in cave diving in some of the most exciting, warm, blue holes and underwater caves. Brian Kakuk, who has many years experience of exploring caves in the Bahamas, provides cave diving courses in all levels of technical and cave diving, and can also provide guiding services to groups of no more than 3 divers at a time. Abaco, with its stunning blue holes and diverse underwater caves, offer divers exciting training experiences, including cavern tours and deep mixed gas cave penetrations. As divers enter many of the blue holes, they are awestruck by the clear waters, the apparent endless passages and especially the abundant marine life teeming with sponges, shrimp, crabs and lobsters, a veritable overflowing aquarium. At Bahamas Underground we can provide whatever facilities and equipment you may require to make your cavern and cave diving experience the most fascinating and perfect dive.