

The Chimney earns its name from a narrow vertical passage through the reef that draws divers down through the structure before opening onto a dramatic wall. Depths run from the shallows to 25 metres, with visibility regularly reaching 30 metres in the clear Queensland water. Strong currents sweep through consistently, making buoyancy control and situational awareness non-negotiable here. Those currents also drive the action: giant trevally and barracuda work the water column, reef sharks patrol the wall, and manta rays make regular appearances. Inside the cave and along the reef, painted crayfish, anemonefish, Maori wrasse, and coral trout hold their positions in the structure.
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Plan your dive around the current direction rather than the clock, as a favourable flow through the chimney passage makes the penetration section significantly more manageable. Jellyfish are a recurring hazard here, so a full wetsuit or skin is worth wearing regardless of water temperature.
The site is located on the Outer Great Barrier Reef and is accessible only by boat. This typically requires a 2-3 hour boat trip from Airlie Beach or Hamilton Island. Access is usually via full-day tour operators or liveaboard vessels.
Stinger (jellyfish) season runs from October to May, and wearing a full-body stinger suit is highly recommended during this period. The dive site includes caves and swim-throughs ("The Chimney"), which present an overhead environment.
Depth
1-25m
Visibility
15-30m
Skill Level
Advanced
Entry
Boat
Boat required
Water Temp
22-28°C
Current
Strong
Best Time
May, Jun, Jul, Aug, Sep, Oct
Yes, The Chimney in Whitsunday Region is a boat-access-only dive site. You will need to book with a local dive operator or charter a boat to reach it.
The Chimney in Whitsunday Region requires advanced diving skills. Expect deeper depths, currents, or challenging conditions that are not suitable for newly certified divers.
Diving at The Chimney in Whitsunday Region requires the following certifications: Advanced, Deep. Always dive within your training limits.
A 3mm wetsuit is recommended for diving at The Chimney in Whitsunday Region. Water temperatures range from 22°C to 28°C.
The Chimney in Whitsunday Region is home to turtles, reef sharks, barracuda, giant trevally, Maori wrasse, and coral trout. Marine life sightings vary by season and conditions.
The best months to visit The Chimney in Whitsunday Region are May, June, July, August, September, and October. Conditions outside these months can still be good but are less predictable.
The Chimney in Whitsunday Region has depths ranging from 1 metres to 25 metres.
Yes, night diving is available at The Chimney in Whitsunday Region. Night dives often reveal different marine life including nocturnal creatures. Always dive with proper lighting and a buddy.
Divers at The Chimney in Whitsunday Region should be aware of jellyfish. These encounters are generally rare and avoidable with proper awareness. Follow local safety guidance and maintain a respectful distance from all marine life.
The Chimney in Whitsunday Region can have strong currents. Advanced experience with drift diving and current navigation is recommended.
Visibility at The Chimney in Whitsunday Region typically ranges from 15 metres to 30 metres. Conditions vary with weather, tides, and seasons.