French Polynesia guide
The Tuamotu Atolls
The Tuamotus are low coral atolls — rings of reef and sand enclosing lagoons — spread across a vast area northeast of the Society Islands. They have almost no relief and very little development, and they are where the clearest water and the best diving and drift-snorkelling in French Polynesia are found. Fakarava and Rangiroa are the names that appear most often on itineraries.
What an atoll actually is
An atoll is what remains after a volcanic island subsides and its fringing reef keeps growing: a ring of coral, topped here and there by low sandy islets called motu, enclosing a lagoon. From the deck you see a line of palms a few metres above the sea and nothing else.
The scale is hard to grasp until you are inside one. Some Tuamotu lagoons are large enough that you cannot see the far rim from the near one. Rangiroa is among the largest atolls in the world.
The passes
Everything here revolves around the passes — the narrow channels where ocean water pours in and out of the lagoon with the tide. The current concentrates plankton, plankton draws fish, and fish draw sharks. Drifting a pass on the incoming tide is the signature experience of the Tuamotus, and it can be done by snorkellers as well as divers when conditions allow.
It is also a serious piece of water. Passes run hard, and the timing is not negotiable: a good ship works the day around the tide table, not the other way round. That is one of the practical reasons to prefer an operator with local knowledge here.
Fakarava and Rangiroa
Fakarava is a UNESCO Biosphere Reserve and the atoll most associated with grey reef sharks, particularly at its southern pass. Rangiroa is the largest and the most visited, with dolphins frequently seen in the Tiputa pass.
Tikehau is the atoll we know personally — we have been twice, and it is the one we recommend when a traveler wants the Tuamotus at their gentlest. The lagoon there is famous for its pink-tinged sand and an extraordinary density of fish in shallow, calm water, and the whole place runs at walking pace. If your idea of perfection is a bicycle, a beach and a snorkel rather than a pass full of sharks, Tikehau is the answer.
All three are worth the crossing to reach. None has much in the way of towns, restaurants or roads, and that is the point — the interest here is entirely in the water and on the reef.
Who the Tuamotus suit
Travelers who want to be in the water constantly, and divers above all. If your idea of a good day ashore involves a village, a market and a green hillside, the Society Islands deliver that and the atolls do not.
The honest framing we give clients is that the Societies are the scenery and the Tuamotus are the water. A good itinerary usually includes both. See also diving in French Polynesia.
Common questions
Do you need to dive to enjoy the Tuamotus?
No, though divers get the most from the passes. Snorkellers can drift the shallower passes in the right conditions and see a great deal, and the lagoon side offers easy, clear, calm water almost anywhere.
Is the current dangerous?
It has to be respected. Pass currents can run strongly and change with the tide, which is why these activities are guided, timed and supported by a boat. Follow the briefing and let the guide choose the window.
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Written by your expedition advisors
Chris Commisso · Expedition Expert
Erika Commisso · Travel Experience Architect
CLIA Elite Cruise Counselor · ASTA Verified Travel Advisor
Chris and Erika have personally sailed 18 expedition ships and explored eight expedition regions.
Last updated .