| From March to May, Australian dive tour operator Undersea Explorer is offering a 15% saving on six-day liveaboard expeditions to Osprey Reef and the Ribbon Reefs. These expeditions have featured on National Geographic and Discovery Channel documentaries, and the areas feature deep coral walls and plenty of marine life. You will also get the opportunity to observe the crew in their shark research studies. It costs AU$1785 (about ?710) and includes full liveaboard, 22 dives, tanks, weights, and air. |