

Harrys Bommie sits at a consistent 16 metres, making it a straightforward dive for beginners who are comfortable descending to moderate depths with a guide. Visibility ranges from 10 to 30 metres, so on a clear day you can take in the whole structure from a distance. The current is generally mild, which lets you hover and watch without fighting to hold position. Manta rays and grey reef sharks are among the more striking visitors here, while coral trout, groupers, fusiliers, and mackerel fill out the water column. Keep an eye out for jellyfish, particularly during certain seasons.
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May through October offers the most reliable visibility and the best chance of encountering manta rays, so plan your trip within that window if you can. Always check with your boat charter crew before the dive about any jellyfish activity, as they can appear without much warning.
The site is located on Agincourt Reef, approximately 65-72 km northeast of Port Douglas. Access is via a 90-minute boat trip with tour operators departing from the Crystalbrook Marina in Port Douglas, such as Quicksilver Cruises, Silversonic, and Poseidon Reef Tours.
While the dive site itself has no specific accessibility features, some tour operators like Quicksilver have pontoons with water-powered lifts for wheelchair users to access snorkel pools.
The marine stinger (jellyfish) season runs from approximately November to May. Wearing a full-body wetsuit or stinger suit is highly recommended during these months.
Depth
16m
Visibility
10-30m
Skill Level
Beginner
Entry
Boat
Boat required
Water Temp
23-30°C
Current
Mild
Typical Dive
45 min
Best Time
May, Jun, Jul, Aug, Sep, Oct
Harrys Bommie in Queensland hosts manta rays, grey reef sharks and white tip reef sharks as key pelagic attractions. The site also features abundant coral trout, groupers, mackerel and fusiliers schooling around the bommie structure. This pinnacle reef near Port Douglas offers reliable encounters with both large marine animals and colourful reef fish.
Harrys Bommie sits at a consistent depth of 16 metres, making it an accessible dive site for beginners. The uniform depth eliminates complex dive planning and allows for comfortable bottom times. Water visibility ranges from 10 to 30 metres depending on seasonal conditions.
An Open Water certification is required to dive Harrys Bommie in Port Douglas. The 16-metre depth and mild current conditions make this Queensland site well-suited for newly certified divers. Guided tours are available through local boat charter operators for those wanting additional support.
The best months to dive Harrys Bommie are May through October during the Australian winter and spring. Water temperatures during this period range from 23 to 30 degrees Celsius with optimal visibility. These months also fall outside the main jellyfish season, reducing stinger hazards.
Harrys Bommie requires boat access from Port Douglas, with local charter operators providing daily trips to the site. The site cannot be reached from shore and must be dived via organised boat charter. Guided tours are available for divers who prefer professional supervision at this Queensland pinnacle.
Harrys Bommie is classified as a beginner-level dive site with a safe 16-metre depth and mild currents. The site offers excellent conditions for newly certified Open Water divers to build experience whilst seeing impressive marine life including manta rays and reef sharks. Port Douglas dive operators provide guided dives specifically designed for less experienced divers.
Jellyfish present the primary hazard at Harrys Bommie, particularly during the summer stinger season from November to April. Diving during the recommended months of May to October significantly reduces this risk. Most dive operators provide protective suits and briefings on jellyfish safety protocols for this Queensland location.
There is no site entry fee for diving Harrys Bommie itself. Divers only pay for boat charter services from Port Douglas operators, which typically include guided tours and equipment if needed. The Great Barrier Reef Marine Park does not charge individual site access fees for recreational diving.
A 3mm wetsuit is recommended for diving at Harrys Bommie in Port Douglas. Water temperatures range from 23°C to 30°C.
Harrys Bommie in Port Douglas has depths ranging from 16 metres to 16 metres.
A typical dive at Harrys Bommie in Port Douglas lasts approximately 45 minutes. Actual dive time depends on depth, air consumption, and conditions.