Nassau SUB Bahamas Adventure. Take an underwater cruise in your own submarine! Perfect for swimmers and non-swimmers alike, you'll zoom effortlessly around the coral gardens on your SUB (Scenic Underwater Bubble) submarine. It's a truly unique experience, offering a memorable opportunity to interact with Nassau's colorful tropical fish and living coral. Highlights: Underwater cruise in an SUB submarine. Self-propelled Scenic Underwater Bubble. Orientation briefing and guided SUB cruise. Fish feeding and viewing. Option to purchase custom video. Pick-up and drop-off from Nassau hotels. Book now and Save 17%: Nassau SUB Bahamas Adventure.