One Bum Beach is a delightful shallow dive and snorkel site nestled between Barren Island and Child Island, 11 km east of Great Keppel Island on the southern Great Barrier Reef. The site features gentle depths of 6–9 metres (20–30 ft) with vibrant fringing reefs that host a dazzling array of hard and soft corals. The sheltered waters of the passage between the islands offer calm conditions ideal for snorkelers, while the surrounding reef teems with tropical fish, Spanish mackerel, tuna, trevally, black kingfish, and the occasional manta ray. Its informal name belies a serious beauty — this is a hidden gem for those seeking a remote, world-class reef experience off the Capricorn Coast.
One Bum Beach
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Showing last known conditions
Wave Height 0.1 mSwell Period 2.9 sWind Speed 6.1 knPrecipitation 0.0 mmTidal Phase flood
Last evaluated
The spot
Community-maintained
Community contribution: submitted by Daniel
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Moderate risk: Remote location
Remote site with no immediate medical facilities or on-site rescue services.
Low risk: Drift current in island passage
Tidal currents can run through the passage between Barren and Child Islands, creating a drift effect that may carry snorkelers away from the site.
Low risk: Ocean swell
Strong ocean swells can affect the site from the Coral Sea, particularly in winter or during southeasterly trade winds.
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Getting in
Snorkel tour
Entry
One Bum Beach is located off the northern tip of Child Island, part of the Keppel Bay Islands, approximately 11 km east of Great Keppel Island. Access is by boat only — typically arranged via dive or snorkel charter operators from Yeppoon or Great Keppel Island on the Capricorn Coast.
Parking & facilities
Park at the Yeppoon boat ramp or marina if self-launching, or use charter operator parking.
Boat charter fees apply; no on-site fees as it's a remote offshore reef site.
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About this data
- Conditions last evaluated
- Spot data last updated
- Data sources
- Open-Meteo (marine & weather conditions), tide predictions via UTide, community contributors (descriptions, hazards, marine life).
- License
- Spot content licensed under CC BY-SA 4.0. How's the Spot is open source.
Weather & swell ┬╖ Open-Meteo marine & weather APIs Tides ┬╖ UTide harmonic analysis Sea & safety ┬╖ community reports