Safety · Destination Guide
Cairns & Great Barrier Reef
Tropical gateway to Australia’s Great Barrier Reef, minke whales, and rainforest-to-reef adventures
Updated Oct 29, 2025 • 13 sources
Safety And Conservation
Follow crew briefings, respect zoning, and do not touch coral or turtles. Wear stinger suits when advised.
Top Risks
- Primary risk: Marine stingers
- Secondary risk: Zoning compliance
- Emergency contact: Triple Zero (000)
- Safety overview: Follow crew briefings, respect zoning, and do not touch coral or turtles.
Dive safety
Use an SMB, respect NDLs, and stay with your guide on drift sections. Seas can build in the afternoon. Night dives are guided. Always log on and off with boat crew.
Emergency care is available at Cairns Hospital in the city. The nearest recompression chamber is at Townsville University Hospital to the south. Evacuations are coordinated by operators and emergency services.
Snorkel and freedive safety
Marine stingers
Wear full-body stinger suits when advised, enter from supervised areas, and follow vinegar protocols on board.
Zoning compliance
Green zones are no-take. Do not touch or collect coral or shells. Follow crew instructions and park rules.
Tropical weather
Summer brings squalls and reduced visibility. Boats may adjust itineraries for safety.
Wildlife and protected areas
Green zones are no-take. Fishing, collecting, and spearfishing are prohibited in these areas. Take only pictures and leave no trace. Use reef-safe sunscreen.
Do Not Do This
Avoid entering when marine stingers. Confirm local briefings before committing.
Emergency contacts
| Contact | Role | Phone | Availability |
|---|---|---|---|
| Triple Zero | All emergencies | 000 | 24/7 |
| Cairns Hospital | Emergency department | +61 7 4226 0000 | 24/7 |
| Coast Guard QF9 Cairns / MRQ | Marine rescue and radio watch | +61 7 4051 2192 | 24/7, VHF 16 |
| Townsville Hyperbaric Medicine Unit | Recompression chamber (referral via duty hyperbaric physician) | +61 7 4433 2080 | 24/7 on-call |