Opal Reef
Best time to dive
January to December; May to August
What you might see
- BarracudaLikely
- Flamboyant cuttlefishLikely
- Grey reef sharkLikely
- Napoleon wrasseLikely
- NudibranchLikely
- Sea turtleLikely
Sightings are seasonal probabilities, not promises - even in peak season nature does its own thing.
Certification & difficulty
Advanced Open Water - advanced conditions (currents/depth); dive within your training.
Snorkelling
Snorkel-friendly - Yes - excellent, clear shallow water over varied reef habitat (some sub-sites like Blue Lagoon/Plato need specific tidal conditions)
Safety notes
Some sub-sites require calm/specific tidal conditions (Blue Lagoon, Plato, New Seagull); moorings in place since 1986 to prevent anchor damage; standard reef etiquette applies
Permits & fees
GBR EMC: AU$8.00/full-day, AU$4.00/part-day (2025-26 rate, GBRMPA), typically included in trip price
Permits and operators change - confirm before booking.
Location
Nearest hub: Port Douglas
This profile is desk research, compiled from public sources - not a first-hand dive report. Coordinates are approximate.

