

Best for beginner divers, 5-35m, boat entry, mild current.
Challenger Bay is a reef site located within the Lizard Island and Ribbon Reefs area. It features a varied reef system with depths ranging from 5 to 35 metres, averaging 12 metres. The site is accessible only by boat and is suitable for beginners due to its generally mild currents and protected bay location. Visibility varies from 0 to 30 metres. Divers should be aware of hazards including boat traffic, jellyfish, lionfish, stonefish, sharks, and sharp coral. During night dives, predatory fish may use torch beams to hunt, so divers should manage light usage carefully. Water temperatures range from 25C to 28C throughout the year.
-14.91544, 145.69032
Predatory fish such as red bass and giant trevally have learned to use divers' torch beams to hunt during night dives, so manage light usage carefully.
The site is located at the southern end of Ribbon Reef No. 10 and is accessed via liveaboard dive boats departing from Cairns or Port Douglas. There are a number of moorings at this location.
Recorded at this site
Depth
5-35m
Visibility
0-30m
Skill Level
Beginner
Entry
Boat
Boat required
Water Temp
25-28°C
Current
Mild
Typical Dive
60 min
Best Time
Year-round
Yes, the site is suitable for beginners due to its protected bay location and generally mild currents.
The site ranges from 5 to 35 metres in depth, with an average depth of 12 metres.
Yes, boat access is required to reach Challenger Bay, which is located 176 kilometres from the shore.
The best months to visit are January through December, with the most settled weather and clearest visibility typically occurring between May and October.
Diving at Challenger Bay in Cairns and Port Douglas requires the following certifications: Open Water. Always dive within your training limits.
A 3mm wetsuit is recommended for diving at Challenger Bay in Cairns and Port Douglas. Water temperatures range from 25°C to 28°C.
The best months to visit Challenger Bay in Cairns and Port Douglas are May, June, July, August, September, October, November, January, February, March, April, and December. Conditions outside these months can still be good but are less predictable.
Divers at Challenger Bay in Cairns and Port Douglas should be aware of jellyfish, lionfish, stonefish, sharks. These encounters are generally rare and avoidable with proper awareness. Follow local safety guidance and maintain a respectful distance from all marine life.
Challenger Bay in Cairns and Port Douglas typically has mild currents that most divers can handle comfortably.
Visibility at Challenger Bay in Cairns and Port Douglas can reach up to 30 metres. Conditions vary with weather, tides, and seasons.