

Best for beginner divers, 4-18m, boat entry, mild current.
Coral Greenhouse at John Brewer Reef is an artificial reef site featuring large-scale underwater sculptures installed between 4 and 18 metres. Located in a sheltered lagoon, the site experiences mild currents and visibility ranging from 10 to 25 metres. Divers and snorkellers can observe a variety of marine life, including Napoleon Wrasse, Whitetip Reef Sharks, Harlequin Tuskfish, and various species of parrotfish and butterflyfish. The site is accessible only by boat, with guided tours recommended to navigate the installations. Stinger suits are provided by operators during the stinger season from November to May. The site is well-suited for beginners due to the calm conditions and sandy patches between coral formations.
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Upload dive and snorkel photos to the John Brewer MOUA project on the iNaturalist platform to help identify fish species and contribute to marine science.
The site is approximately 74-80 km offshore and is only accessible via a 2-hour boat trip with a licensed tour operator. Several companies, such as Adrenalin Snorkel & Dive and Yongala Dive, run full-day trips from Townsville and Magnetic Island.
Recorded at this site
Depth
4-18m
Visibility
10-25m
Skill Level
Beginner
Entry
Boat
Boat required
Water Temp
24-29°C
Current
Mild
Typical Dive
60 min
Best Time
May, Jun, Jul, Aug, Sep, Oct
Divers and snorkellers regularly encounter Napoleon Wrasse, Whitetip Reef Sharks, Harlequin Tuskfish, Regal Angelfish, and various wrasses and parrotfish species.
Yes, the site is suitable for beginners due to the sheltered lagoon location, mild currents, and sandy patches that allow for easy buoyancy control.
The sculptures and reef structures are located at depths between 4 and 18 metres, with an average depth of 16 metres.
Yes, Coral Greenhouse is suitable for both diving and snorkelling, with a snorkel rating of 5/5.
Access is by boat only. Most boat charters depart from Townsville or Magnetic Island.
The best months to visit are May through October, which generally offer the best visibility and higher chances of spotting seasonal pelagics.
Diving at Coral Greenhouse in Queensland requires the following certifications: Open Water. Always dive within your training limits.
Yes, equipment rental is available at or near Coral Greenhouse in Queensland. Contact local dive operators for specific gear availability and prices.
A 3mm wetsuit is recommended for diving at Coral Greenhouse in Queensland. Water temperatures range from 24°C to 29°C.
Divers at Coral Greenhouse in Queensland 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.
Coral Greenhouse in Queensland typically has mild currents that most divers can handle comfortably.
Visibility at Coral Greenhouse in Queensland typically ranges from 10 metres to 25 metres. Conditions vary with weather, tides, and seasons.