Cod Hole, Great Barrier Reef, Australia

Cod Hole, Great Barrier Reef Australia.

Cod Hole

Home of the Giant Potato Cod – The Cod Hole is famous for its friendly resident giant potato cod, which can grow over 1.5 metres long and weigh more than 100kg. These curious fish love interacting with divers!
One of the Most Famous Dive Sites on the Great Barrier Reef – Located on the northern Ribbon Reefs, the Cod Hole is a must-visit destination for divers wanting to experience one of the reef’s most unique marine encounters.
Incredible Marine Biodiversity. Beyond the potato cod, divers will encounter vibrant coral gardens, schools of colourful reef fish, reef sharks, and even passing manta rays.
Fantastic Visibility and Calm Conditions. With crystal-clear waters and generally mild currents, the Cod Hole is a perfect dive site for photographers and divers of all experience levels.
Unique & Interactive Diving Experience. Unlike most marine life that shies away, the potato cod are bold, inquisitive, and love interacting with divers, making for one of Australia’s most memorable dive experiences.
Part of the Remote and Pristine Ribbon Reefs. Cod Hole is located on the outer edges of the Great Barrier Reef. It is accessible only by liveaboard dive trips, ensuring an uncrowded and untouched dive experience.
Perfect for Underwater Photography – With exceptional water clarity, gentle conditions, and up-close encounters with the potato cod, the Cod Hole is a dream dive site for capturing stunning underwater photos and videos.

Cod Hole Location: 26.6415° S, 153.0684° E, Ribbon Reef number 10
Access: Liveaboard
Depth Range:10-40 metres
Visibility:15-40 metres

Discover the Cod Hole

The Cod Hole is a popular dive site in the Great Barrier Reef Marine Park off the coast of Queensland, Australia. Giant groupers, or cod, inhabit the area, which is how it got its name. These potato cod can grow up to 2 metres (6.6 feet) in length and weigh over 100 kilograms (220 pounds).

The dive site is in the Ribbon Reefs, a series of coral reefs that run parallel to the coast of Queensland. It is famous for its clear water and abundant marine life, including giant groupers and various tropical fish, sea turtles, and reef sharks.

Divers can expect large groupers and schools of colourful fish, including parrotfish, butterflyfish, and angelfish. Sea turtles and reef sharks are also common in the area.

Diving is suitable for advanced, experienced divers. The water temperature is warm year-round, typically from 23 to 30°C (73 to 86°F).

Where is the Cod Hole?

It is located in the Great Barrier Reef Marine Park, off the coast of Queensland, Australia. Specifically, it is in the Ribbon Reefs, a series of coral reefs that run parallel to the coast of Queensland.

This dive site is approximately 120 kilometres (75 miles) north of Cairns, a popular departure point for dive operators offering trips to the area.

The Cod Hole is accessible on a liveaboard diving trip. Liveaboard trips spend several days on a boat diving at different sites around the Ribbon Reefs.

The Great Barrier Reef Marine Park designates The Cod Hole as a no-take zone, actively prohibiting fishing and other activities that could harm the marine environment. This protection helps preserve the area’s unique marine ecosystem, ensuring its vibrant underwater life thrives for future generations.

Scuba diving the Cod Hole.

Scuba diving at Cod Hole is a popular and exciting experience. With abundant marine life and clear water, the site is suitable for experienced divers.

Divers at Cod Hole can experience these large groupers, or cod, closely. These fish are often the highlight of a dive, but divers can also expect to see various other marine life, including tropical fish, sea turtles, and Reef sharks.

The dive site is typically reached as part of a liveaboard diving trip. Scuba divers spend several days on a boat diving at different Great Barrier Reef locations.

Fantastic liveaboard trips depart from Cairns, Australia. Depending on the duration of the trip, visitors may choose a low-level flight to Lizard Island.

The water is warm year-round, typically from 23 to 30°C (73 to 86°F). It is also generally clear, with visibility exceeding 30 metres (100 feet).

Safety regulations set by the dive operator and the Great Barrier Reef Marine Park ensure a safe and responsible dive experience.

Divers should be ready for strong currents at The Cod Hole and ideally have some drift diving experience. This will help ensure a safe and enjoyable dive while maximising the underwater adventure.

FAQ’s

What is Cod Hole?

A famous dive site on the Great Barrier Reef in Queensland, Australia. It is famous for its crystal-clear waters and abundant marine life, particularly the large potato cod (Grouper fish) that inhabit the area.

Where is Cod Hole located?

Situated on the Ribbon Reefs, a series of coral reefs along the northern edge of the Great Barrier Reef. It’s approximately 100 kilometres north of Cairns, a popular gateway for exploring the reef.

Why is it called Cod Hole?

The name “Cod Hole” comes from the large potato cod, or Grouper fish, that inhabit the area. These massive fish are known for being friendly and approaching divers, creating a unique and memorable experience.

What makes the Cod Hole a popular diving spot?

This site is popular as a diving destination mainly due to its interaction with the potato cod. Divers can get up close to these gentle giants, and the area’s vibrant coral formations and diverse marine life make it an unforgettable underwater experience.

Can beginner divers visit Cod Hole?

Yes, beginner divers can visit, but it’s recommended to be an advanced diving experience. This area’s currents and open water conditions might be challenging for beginners.

Experience the Magic of the Cod Hole

The Cod Hole is more than just a dive site—it’s a once-in-a-lifetime experience that brings divers face-to-face with the legendary giant potato cod in one of the most pristine and beautiful locations on the Great Barrier Reef. Every dive here is truly special, from its crystal-clear waters and vibrant coral gardens to the playful interactions with these oversized, curious fish. As part of the remote and breathtaking Ribbon Reefs, the Cod Hole remains untouched by crowds, offering an exclusive and unforgettable underwater adventure. Whether you’re a seasoned diver or experiencing the reef for the first time, this world-famous site will leave you in awe.