Great Barrier Reef Liveaboard Cruises

coral sea - Dive Sites

North Horn

Shark, sharks and more sharks

An awesome dive for anyone wanting a close encounter with a variety and great number of sharks. Consequently this site is being used to monitor shark behaviour as part of a university research project. North Horn has a natural amphitheatre on the edge of the main reef, with a wall that steps down from near the surface to over a thousand metres deep. There is an abundance of huge soft corals at 25 to 40 metres. There is a commemorative plaque located at 32 metres in honour of a well-loved local Marine enthusiast. Our famous “Shark Feeding” dive is conducted here as well.

MARINE LIFE
Grey Reef SharksSchooling Humphead ParrotfishWhite Tip Reef Sharks
HammerheadsSilver TipsTuna
ParrotfishPotato Cod

North Horn Wall

An amazing Drift dive along a 1000 metre vertical wall starting along Osprey Reef’s Western Wall and finishing at North Horn. A diverse dive consisting of shallow caves, drop off’s, deeper overhangs with colourful soft corals, and a large variety of fish life both large and small.

MARINE LIFE
Grey Reef SharksSoft CoralsWhite Tip Reef Sharks
HammerheadsManta RaysMaori Wrasse
BarracudaDog Tooth Tuna

Half Way Wall

As the name suggests, Half Way Wall is midway between North Horn and False Entrance. The mooring is on the edge of the wall, with a number of bommies rising from around twenty metres. The main wall drops away under the boat to over a thousand metres.

MARINE LIFE
Grey Reef SharkBig Eye Trevally SchoolsWhite Tip Reef Sharks
Dog Tooth Tuna

Admiralty

Situated at the Southern End of Osprey Reef’s lagoon entrance, Admiralty is a popular afternoon and night diving spot. There is a reef maze amongst which a large variety of marine life make their home. From around thirty metres the reef drops off to depth in excess of a thousand metres. The area has many large caves and swim-throughs and an amazing series of sand bottom gullies leading up into the shallow lagoon area. Admiralty is so-named as it is the resting place of an old marine anchor, which can be seen in one of the many swim-throughs.

MARINE LIFE
Grey Reef SharksBlack TrevallyWhite Tip Reef Sharks
Silver TipsOctopusGarden Eels
White Mouth Moray EelsGobies and BlenniesManta Rays
Lion Fish

False Entrance

A large divide in the reef gives the dive site the name "False Entrance". A large U-shaped gully starting in the reef lagoon area gradually descends deeper to around 30 metres. A large selection of bommies rising up off the gully floor make this an architecturally spectacular dive. This is a popular destination in the summer months, when the prevailing winds are from the north-west.

MARINE LIFE
Soldier FishGrey Reef SharksTrigger Fish
Big Eye Trevally SchoolsMaori WrasseWhite Tip Reef Sharks
Silver TipsBlennies and Gobies

Around The Bend

This dive has it all. Normally a drift dive it starts on a 1000 metre wall enabling you to drift "around the bend" and back to the mooring line. For the experienced diver there is a isolated bommie at 32 metres off the wall which is a manta ray cleaning station and attracts some big fish life. Towards the end of the dive you can explore the shallow grotto near the mooring line, a trench which is carved into the reef, making it a fantastic place for the safety stop and to find a myriad of little critters.

MARINE LIFE
HammerheadsDog Tooth TunaManta Rays
Silver TipsGrey Reef SharksGorgonian Fans
White Tip Reef SharksSoft Corals

Castles

Situated along the Western Wall Between "Admiralty" and "North Horn" this dive has an unusual profile as it consists of a large numbers of gullies and trenches weaving between the "Turrets and Towers" of the reef. The shallow lagoon area gradually descends to 30 metres where it meets the edge of the 1000 metre wall. It is known for a combination of interesting terrain and diverse marine life. The area is abundant with caves both large and small and home to an amazing overhang filled with gorgonian fans.

MARINE LIFE
Soldier FishGiant Queensland GrouperClown Trigger Fish
Garden EelsPainted CrayfishWhite Tip Reef Sharks
Moray EelsBlennies and GobiesScribbled Puffer Fish

Silver City

Only a few hundred metres from the "Castles" mooring lies this popular afternoon dive site. A 45 degree sloping wall, that decends down into the depths towards the 1000 metre wall. There are a series of volcano-style bommies rising just before the drop off, that extend along the length of the dive site. Some fantastic caves can be found along the sloping wall and there are regular breaks in the reef, allowing you to swin up into the shallow, sandy lagoon area.

MARINE LIFE
Soldier FishGrey Reef SharksTrigger Fish
Big Eye Trevally SchoolsMaori WrasseWhite Tip Reef Sharks
Silver TipsBlennies and Gobies

Secret Caves

Situated at the Northern End of Osprey Reef’s lagoon entrance, Secret Caves is a great afternoon and night diving spot, when summer's north east winds prevail. It consists of a vertical wall that extends to the North along the outside of the reef and also a sloping wall that continues up the channel and into the shallow lagoon area.

MARINE LIFE
Manta RaysWhite Tip Reef SharksBarracuda
Grey Reef SharksMany small reef fish varietiesAnemone Fish

Rapid Horn

Situated at the Southern Tip of Osprey Reef, Rapid Horn can only be dived in the summer months when northerly winds prevail. It consists of a 1000 metre vertical wall which the diver drifts along, eventually leading to a plateau on the Southern Tip, which is home to an amazing array of dense fish schools both large and small.

MARINE LIFE
Grey WhalersBump Headed Parrot FishWhite Tip Reef Sharks
Silver DrummerBarracudaMaori Wrasse
Big Eye Trevally SchoolsScorpion FishSweetlips



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