Manta Bommie

Manta Bommie Dive Site Guide | North Stradbroke Island, QLD, Australia

By ScubaDownUnder Team · 2026-04-01

The boat idles, the skipper lines up the bearing, and the water below shifts from a pale turquoise over sand to the deeper blue that marks the bommie. A dark shadow passes beneath the hull. Then another. The first manta of the morning is already circling the cleaning station, slowing into the gentle hover that signals the exchange is about to begin. Manta Bommie sits 2 kilometres off Point Lookout on the northeastern tip of North Stradbroke Island, and on a good day it delivers one of the most reliable close-range manta encounters on the Australian east coast. It is not a dive that trades on depth or drama; it trades on behaviour, and the behaviour in question is old, specific and entirely unbothered by an attentive diver.

Point Lookout sits on the traditional lands of the Quandamooka people, and the surrounding waters lie within the Moreton Bay Marine Park, a multi-use marine protected area that has shaped the reef's recovery and continued health since its gazettal. The bommie itself is a coral-encrusted outcrop on the edge of a rocky reef system that extends offshore from the headland, and the cleaning station it supports has been known to local divers for decades. The management of the marine park, combined with the consistent presence of reef guides who monitor the site daily through the warmer months, means the interactions between divers and visiting animals at Manta Bommie are among the better-studied examples of respectful wildlife diving in southeast Queensland.

The bommie rises from a sandy floor at around 18 to 22 metres to a peak at 6 to 8 metres. Descents generally follow the mooring line down onto the reef, and the cleaning station sits on the upper shoulder of the outcrop where resident cleaner wrasse work through the passing clientele. Hard coral coverage is moderate, with the textured surfaces of plate and boulder corals colonised by sponges, soft corals and encrusting invertebrates. Around the base of the bommie, the substrate softens into sand and rubble, and leopard sharks rest on the open bottom through the warmer months with the lazy composure characteristic of the species. A loose orbit of parrotfish works the coral, surgeonfish patrol the edges, and maori wrasse move through the water column with proprietorial ease. Schools of bigeye trevally and yellowtail kingfish often hang in the blue just off the bommie, and the mid-water over the reef carries steady traffic throughout a typical dive.

Manta rays are the headline. Reef manta rays (Mobula alfredi) visit the cleaning station most consistently from December through April, approaching from open water, slowing as they reach the station, and holding a near-stationary position above the reef while cleaner wrasse work across their bodies. A diver settled low on the reef, breathing slowly, with fins tucked in and hands kept close, will often see the same animal make three or four passes before moving off. Movement, displacement of sand, and vertical posturing are the three things that send a manta back out to open water. Bull rays share the cleaning station throughout the year, and their more frequent presence means that even on days the mantas do not appear, the station has traffic worth watching. Leopard sharks rest on the sand in summer, sometimes in small groups. Shovelnose rays, wobbegongs and eagle rays pass through regularly. Grey nurse sharks appear in the deeper water around the bommie during the cooler months, and the combination of sharks below and rays above on a single dive is what keeps experienced divers returning across seasons.

Visibility at Manta Bommie typically ranges from 10 to 22 metres, with the clearest water arriving from June through November as the East Australian Current pushes cleaner water into the Point Lookout area and runoff recedes. Summer brings warmer water but more variable conditions. Water temperature runs from around 20°C in winter to 26 or 27°C in late summer; a 5mm wetsuit covers the cooler months, a 3mm is comfortable through the warmer half of the year. Current around the bommie can run strongly on spring tides, particularly on the ebb, and the dive is best timed to the slack at the top or bottom of the cycle, or run as a drift if conditions favour it. Easterly swells and strong southerlies are the weather conditions that most often close the site. On a settled day in autumn or early winter, with a neap tide and light south-westerly, the bommie is about as good as southeast Queensland diving gets.

Repeat divers read the detail more carefully than the headlines. Octopus occupy crevices in the bommie's base and reward patient observation. Nudibranchs appear on the sponge-covered faces in modest variety across the cooler months. Painted and ornate wrasse move through the coral heads, and the small reef fish community in the gutters below the cleaning station is more diverse than a single dive tends to register. Night dives on the site are rarely run commercially but reveal a completely different cast, Spanish dancers, basket stars, and the nocturnal hunting behaviours of octopus and moray eels.

Manta Bommie is a site defined by the willingness of a small number of large animals to tolerate and even solicit the presence of divers while they attend to something important. That tolerance is not something to take for granted, and the dive at its best feels less like observation than like permission.

## Site Access and Logistics

Manta Bommie is accessed by boat from Point Lookout on North Stradbroke Island, a short transit of roughly 10 to 15 minutes from the beach launch. North Stradbroke is reached by vehicle and passenger ferry from Cleveland, approximately 45 minutes east of Brisbane's CBD. Manta Lodge & Scuba Centre (https://www.mantalodge.com.au), based in Point Lookout, is the long-established PADI operator for the site and runs daily trips with experienced guides who monitor the cleaning station activity and can advise on the best tide and time to dive. Open Water certification is the minimum requirement. The interaction with the cleaning station is significantly more rewarding for divers with controlled buoyancy who can hold station on the reef without kicking or hand-contact; divers fresh from certification may want a few logged dives before attempting Manta Bommie if photographing rays is the goal. Parking is available at the Point Lookout headland car parks near the boat launch. A 5mm wetsuit is recommended outside the warmest months.

## Sources

- Manta Lodge & Scuba Centre, Point Lookout (https://www.mantalodge.com.au) - Queensland Department of Environment, Moreton Bay Marine Park zoning - Dive Planit, Manta Bommie guide (https://www.diveplanit.com/dive-destination/manta-bommie-brisbane/) - Stradbroke Island Holidays, Manta Bommie dive site (https://stradbrokeisland.com/manta-bommie-dive-site/) - Atlas of Living Australia, reef manta ray (Mobula alfredi) records