Rangiroa means "long sky" and certainly this atoll is appropriately named. Rangiroa is the largest atoll in the Southern Hemisphere and it is a diver's mecca. There are two passes in Rangiroa and both are just a short boat ride away. Rubber Zodiacs drop you in the ocean at the foot of the pass where the current sweeps you into the lagoon for a technicolor spectacle of fish. You will see caves crammed full of Red Snapper, walls of Barracuda and dozens of Napoleon Fish. You'll dive with Turtles, Dolphins, Rays and Sharks. If you schedule your trip between November and February you are likely to see Hammerhead sharks. In September you can see Manta Rays as they migrate from within the lagoon to their final destination in Hawaii. Just 55 minutes by plane from Tahiti, Rangiroa is world renowned for her fast paced drift dives and abundance of sea life.