Cable Bommie is a fascinating reef-and-relic snorkel site tucked inside the turquoise lagoon of the Cocos (Keeling) Islands, near Direction Island. The site gets its name from the historic communication cables — and other sunken equipment — that lie scattered across the sandy bottom beside a coral-covered bommie (reef pinnacle). Snorkelers drift over colourful coral heads teeming with tropical fish, while the iron relics below add a unique wreck-like feel. Currents can be present, making this a site best suited to those with some experience. The clear, warm lagoon waters and abundant marine life make it a memorable stop on any Cocos snorkel itinerary.
Cable Bommie
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Showing last known conditions
Wave Height 0.2 mSwell Period 12 sWind Speed 2.5 knPrecipitation 14 mmTidal Phase slack
Last evaluated
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Community contribution: submitted by Daniel
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Low risk: Tidal currents
The site sits near a coral ridge where tidal currents can be moderate to strong, especially around changing tides. Drift snorkeling conditions are common.
Low risk: Submerged wreckage and cables
Historic cables, anchors, and metal debris lie on the seabed and can be sharp or snag fins and exposed skin.
Low risk: Shallow coral bommies
Coral bommies and reef structures rise from the bottom — careless finning can cause injury to both snorkeler and coral.
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Getting in
Boat
Entry
Accessible by boat tour from Direction Island or Home Island, operated by Cocos Dive. The site sits within the lagoon system near Direction Island.
Parking & facilities
Park available at the jetty area on Direction Island or at the Cocos Dive base on Home Island. Most visitors access via organised tour transport from West Island or Home Island.
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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