See gorgeous tropical fish and a Barbados shipwreck from a real submarine with big view ports all around, fully submerged in the aquamarine Caribbean Sea. Descend like a diver 150 feet below the water's surface in air-conditioned comfort aboard Atlantis XV. Watch in delight as your craft glides past swaying sea fans, vividly-hued exotic fish, and colorful coral. See a shipwreck, and learn about local marine life as your pilot narrates this amazing 40-minute tour.