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Bougainville Reef Liveaboard Diving

Our customers rated liveaboard diving in Bougainville Reef as 8.6.

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Liveaboard Diving in Bougainville Reef

What To Expect On A Bougainville Reef Liveaboard

The only way to experience this unspoilt gem is via a dive liveaboard tour to Bougainville Reef, and even then it is only possible when conditions permit. There is no reef quite like Bougainville, if you manage to reach this part of the Coral Sea, you truly have journeyed to the ultimate of remote dive sites on the globe.  As a result, only a select few liveaboard diving operators think about visiting this area - the Spirit of Freedom's 8 day/7 night cruise on will always try to include this special site in their itinerary whenever they are able. Diving at this reef will commonly be part of a programme including much of what the Coral Sea has to offer, including Osprey Reef, Ribbon Reef and Cod Hole.

The fact that Bougainville cannot be visited all the time means that any dives undertaken here will introduce you to a uniquely pristine marine area, full of life devoid of human contact and as healthy as you are likely to see anywhere. There's also a partially submerged wreck here, adding to the variety of spectacles on show, and sure to be a fitting end to probably what has already been a dive holiday of a lifetime.

What You Can See

The dive sites at Bougainville have been allowed to thrive, with liveaboard visits here being few and far between. It goes without saying, therefore, that you'll see the full range of reef inhabitants in their natural and undisturbed surroundings. There's many fabulous examples of plate coral amongst the huge variety of hard and soft corals, giving ample opportunity to hone your photography skills and capture the dazzling array of colours on show. Visibility is commonly up to 40 metres resulting in some wonderful light patterns reflecting off the large schools of small fish twisting and turning simultaneously. Joining these are many Bumphead Parrotfish, along with Sharks, Rays and Turtles.

There are approximately five individual dive sites at Bougainville Reef, often consisting of fairly deep wall dives. A unique feature of this reef, not easily found elsewhere on the Great Barrier Reef, is its wreck which is partially submerged and makes for some great drift dives. Simply sit in the water and let the current do the rest, taking you past an abundance of reef fish, macro life, coral and pelagics.

How To Get To Bougainville Reef

The best and only way to visit this isolated part of the outer GBR is on an Australian liveaboard. You'll need to make sure you are part of a liveaboard tour heading to Osprey Reef, as it is from here that if conditions allow the captain will decide to head to Bougainville. It's always difficult for the crew to guarantee whether or not they can make it, however, fear not as if the weather is not favourable, these trips will still take you to some fabulous parts of the Coral Sea - including the Ribbon Reefs and famous Cod Hole.

Liveaboard.com features the Spirit of Freedom, a stunning vessel equipped with all the modern facilities needed, including internet, air conditioning and charging ports. As part of it's an 8-day, 7-night cruise to the Coral Sea, this boat will always visit Bougainville if feasible. Departures are from Cairns in Queensland, which is easily accessed directly from overseas because many international airlines fly straight here. You can always catch one of the many daily flights from the cities of Brisbane, Melbourne and Sydney as well.

Transfers to and from your accommodation in Cairns (or airport) are included.


The only way to experience this unspoiled gem is by diving with liveaboard when conditions permit. Bourgainville Reef is so rarely visited that its reef is pristine. With visibility up to 40m, you are almost sure to see bumphead parrotfish, sharks, turtles, rays, shoals of tuna and a lot more.


Bougainville Reef Diving Reviews

  • Rating 8.6 out of 10
  • 8.6 Fabulous
  • Rating 8.8 out of 10
  • 8.8 Fabulous
  • Alexander W
  • Flag of United StatesUnited States

First stop on the trip. Lots of fun swim throughs and tunnel-ish formations in the coral.

Diving Bougainville Reef in August on the Spoilsport
  • Rating 8.8 out of 10
  • 8.8 Fabulous
  • Dean B
  • Flag of United KingdomUnited Kingdom

Really good start to the trip, great visibility and stunning deep walls, with plenty of areas to shallow up towards the second sort of the dives.

Diving Bougainville Reef in September on the Spoilsport
  • Rating 8.8 out of 10
  • 8.8 Fabulous
  • Amy M
  • Flag of AustraliaAustralia

Gorgeous coral and fish life

Diving Bougainville Reef in January on the Spirit of Freedom


What to know about diving in Bougainville Reef

Where is Bougainville Reef located?

Bougainville Reef sits in the Coral Sea beyond the eastern boundary of the Great Barrier Reef Marine Park, about 250 km (155 mi) northeast of Cairns. It's one of the more remote reefs typically covered on extended Coral Sea liveaboard expeditions.

How far is Bougainville Reef from Cairns?

It's roughly 250 km (155 mi) northeast of Cairns, a crossing that takes most of a day by liveaboard — which is why the reef only appears on longer, multi-night Coral Sea itineraries rather than day trips.

Is Bougainville Reef part of the Great Barrier Reef?

No — it lies within the Coral Sea Marine Park, outside the Great Barrier Reef Marine Park's eastern boundary, though it's often marketed alongside Great Barrier Reef trips since both depart from Cairns.

Is there a shipwreck at Bougainville Reef?

Yes — the Antonio Tarabocchia, a 5,851-ton Italian steel freighter built in 1956, struck the reef's seaward side in November 1961 and broke apart during a failed salvage attempt the following month, becoming a total loss.

What marine life can you see at Bougainville Reef?

Expect sharks, rays, and schooling tuna out in open water, plus a healthy coral wall community typical of the Coral Sea's remote, lightly visited reefs.

How do you get to Bougainville Reef?

The only practical way is via an extended liveaboard out of Cairns, usually as a stop on a multi-day Coral Sea itinerary that also covers Osprey Reef and other far-flung sites.

Is Bougainville Reef suitable for beginner divers?

It's better suited to experienced divers, given the remoteness, occasional current, and the open-ocean pelagic focus that makes the long crossing worthwhile in the first place.

What's the visibility like at Bougainville Reef?

Visibility is typically excellent — often 100 ft (30 m) or better — a hallmark of the clear, nutrient-poor water found throughout the Coral Sea's outer reefs.

Is Bougainville Reef part of a marine park?

Yes — it falls within the Coral Sea Marine Park, Australia's largest single marine protected area, first proclaimed in 2013 and renamed in 2017.

What does the name "Bougainville" refer to?

It most likely honors Louis-Antoine de Bougainville, the 18th-century French navigator who charted parts of the Coral Sea and the Solomon Islands region — the same namesake of Bougainville Island in Papua New Guinea.

What is the Antonio Tarabocchia?

It's the Italian freighter wrecked on Bougainville Reef in 1961; its broken remains now lie on the reef's seaward slope as an incidental attraction alongside the natural coral scenery.

Are there sharks at Bougainville Reef?

Yes — grey reef and other pelagic sharks are a regular sight along the reef's walls and drop-offs, consistent with shark populations found across the Coral Sea's remote reefs.

Is Bougainville Reef a day trip or liveaboard-only site?

Liveaboard-only — its distance from Cairns puts it well beyond the range of any day-boat operation.

How deep is diving at Bougainville Reef?

Dives range from shallow reef-top coral around 15–30 ft (5–9 m) down along walls that drop well past recreational limits, giving both photographers and deep-water divers plenty to work with.

Is Bougainville Reef often combined with other Coral Sea sites on a liveaboard?

Yes — it's typically paired with Osprey Reef and other far-northern Coral Sea reefs on extended 7- to 10-night expedition itineraries out of Cairns.

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