Flynn Reef (16.73382, 146.27531) is located only 30 minutes from Cairns and is one of the closest reefs to the continental shelf and the Coral Sea. Known for its abundance of vibrant and healthy coral, including a wide variety of soft and hard coral species, Flynn Reef offers a diverse array of marine life to explore. Visitors can expect to see a wide range of reef fish as well as larger marine animals such as Grey Reef Sharks, Lionfish, and Moray Eels.

The waters around Flynn Reef are also known to attract dolphins and whales, making for an unforgettable experience.

Diving conditions are optimal all year round, with warm water, excellent visibility, and only mild currents. For those visiting between November and December, the annual coral spawning is a must-see event, offering a once-in-a-lifetime opportunity to witness this natural phenomenon.

Swim-throughs, expansive coral fields, overhangs, wall dives, and a diverse marine life collection distinguish this dive site.

Dive Sites

  • Tracy’s Boomie
  • Tennis Court
  • Coral Gardens
  • Gordon’s Mooring.

Marine Life

  • Clownfish
  • batfish
  • trout
  • cod
  • fusiliers
  • butterflyfish
  • angelfish
  • basslets
  • whitetip reef shark.

When you dive deeper, you’ll see turtles, reef crabs, and painted lobsters. Grey reef sharks, moray eels, octopus, lionfish, barracuda, and nudibranchs are likely to be seen as you dive into the water at Flynn Reef. Flynn Reef is also home to mackerel and trevally.


  • table coral
  • boulder coral heads
  • plates

The vibrant hard, and soft corals are a spectacular sight, where giant clams, fan coral and staghorn find refuge.

Flynn Reef weather forecast

Liveaboards visiting Flynn Reef