The Great Barrier Reef stretches over 2,300 kilometres from Tropical North Queensland in the North, right down to Bundaberg in the South. With breathtaking coral reefs, brilliant marine life and majestic blue water as far as the eye can see, the Great Barrier Reef is a once in a lifetime aquatic experience not to be missed.

Covering over 344,000 square kilometres, the sheer size and grandeur of the reef resulted has it listed as one of the original Eight Wonders of the World. The Great Barrier Reef is the first coral reef to be awarded World Heritage Status.

The Great Barrier Reef can be seen from outer space and is the world’s biggest single structure made by living organisms. This reef structure is composed of and built by billions of tiny organisms, known as coral polyps. The Queensland National Trust named it a state icon of Queensland.


CORROBOREE I is a luxury charter boat that boasts a contemporary interior with colours inspired by the Native Australian Outback. The owner has invested heavily to keep her maintained to very high standards, ensuring that she is up to date with her navigation, communications and entertainment technology.

CORROBOREE I offers her guests 6 complete sets of scuba gear, including a dive computer for each diver. Her on-board compressor refills your dive tanks in-between dives. For ease of entry, you can kit up on the rear swim platform and slip into the warm water, or use the tender or fishing boat to access sites closer to shore.

Please refer to our suggested itinerary for the Great Barrier Reef, which can be tailored to meet your needs.


The general seasons are:

  • Best scuba diving season runs from mid-August to mid-December.
  • Winter runs from April to September with dry, sunny and warm weather. However the wind can be blowing quite strong.
  • Summer season is from October to May with the monsoon running from January to March.The heavy rains usually don’t last for more than 2 hours.
  • Coral Spawning occurs in October and November but the exact date varies from year to year, so it can be very hard to predict.
  • The Minke Whale and the Humpback Whale season run from May to June for Minke and August to November for the Humpbacks. Whales are commonly spotted from the boat and occasionally underwater whilst diving.
  • Best visibility is from September to November on the Ribbon Reef, and from June to September in the Coral Sea, at the famous Osprey Reef.

The air temperature ranges year round from 22°C to 30°C and the water temperature is always around 27°C.


The Great Barrier Reef spans an impressive 2,300 km from Tropical North Queensland in the North, right down to Bundaberg in the South. We have generally selected the most frequented and well-loved dive sites in the Great Barrier Reef, but can offer you tailored selections based on your skill level. .

Agincourt Reef is located approximately 60 kilometres off the coast of Port Douglas in Far North Queensland. The Agincourt consists of a collection of ribbon reefs that are unique and distinct from each other and have been rated by divers around the world as the best in the Great Barrier Reef.

The Agincourt Reefs have been grouped into four sites and generally each tour operator has a permit for a particular section of the reef. This is to ensure that the reef is protected and remains one of the great natural wonders of the world for future generations to visit and explore.

The reef runs parallel to the Australian continental shelf and its selling point is high underwater visibility and an abundance of coral bommies and marine life. The diving depths range from 5 to 30 metres so it is suitable for beginner and intermediate divers. Corroboree I holds permits to a variety of sites with the Agincourt group so that you can experience multiple dives in a day on a live aboard cruise. It would take a lifetime to visit all the dive sites this reef has to offer.

Among the most well known dive sites are the Flynn Reef, Milln Reef, Thetford Reef within the Agincourt reef group. These dives offer wall dives and swim throughs, coral gardens and underwater visibility up to 20 metres. Due to the vast number of dive sites available you will be able to find a site that is best suited to your diving abilities.

For certified divers with several dives under their belt the remote locations on the outer reef’s edge would be more suitable, allowing more time and space to explore this underwater playground.

In 1911, the SS Yongala, a luxury passenger vessel was sailing through Australian waters when disaster struck and a cyclone came through causing the vessel to sink. It wasn’t until 1958 when divers discovered the wreck site 48 nautical miles off the coast of Townsville.

The wreck site is protected under the Historic Shipwreck Act 1976. The ship remains in tact 30 metres below the surface and access is strictly through permit only. Corroboree I has permission to take experienced divers out to explore this site.

SS Yongala is centrally located in the Great Barrier Reef Marine Park and has become completely covered in coral and colourful tropical fish making it a favourite among divers all over the world. The length of the wreck is 110 metres (360 feet) long with depth ranging from 15 metres (49 feet) to 30 metres (98 feet). Underwater visibility can be tricky at times due to its sandy bottom and strong currents. The list of marine life you will see is endless including Giant Trevally, Turtles, Sea Snakes, Manta Rays, Reefs Sharks and a diverse range of tropical fish. The cruise out to the reef is approximately 3 hours but the journey is worth as you are rewarded with a dive that you will never forget. The variety of marine life that co exist within this artificial reef is truly extraordinary.

Hardy Reef is home to the Reef World pontoon in the Great Barrier Reef near the Whitsunday Islands. The reef is an excellent diving location for beginners and more experienced divers who want to explore the world that exists under the sea. The depth ranges from 5 to 20 metres.

At Hardy Reef, you will see a range of tropical fish and marine life including: Turtles, Reef Sharks and Barracuda, Trevally, Coral Trout. You will also find giant Gropers that will greet you at the back of the boat waiting for a free feed. There is plentiful, colourful and surprisingly healthy collection of hard and soft corals waiting to be explored.

The cruise out to the reef takes approximately 2 hours and the platform also offers, snorkelling, semi-submarine tours and underwater viewing chambers if you just can’t get enough of the reef.

At times Hardy Reef can become busy but it is a top dive spot because of the diversity of fish and marine life and health of the reef and easy accessibility for guests of the Whitsundays. Lastly, this dive spot is suitable for those who are travelling in groups or families where there are different levels of snorkelling and diving abilities because there is an activity suitable for everyone.

Osprey Reef is located 350km (220 miles) from Cairns in the outer Great Barrier Reef. Due to its remote location, it is a reef that can only be experienced through a live aboard dive vessel like CORROBOREE I. Osprey Reef is rated highly among experienced divers all over the world.

Osprey Reef consists of a lagoon area that is 30 metres deep and full of pristine and colourful soft coral. There is a high probability that you will see manta rays, Green and Loggerhead Turtles and obviously an amazing variety of tropical fish. One of the highlights of dives at this location is the population of sharks that will provide you with one of your most memorable dive experiences.