Cockermouth Island is a secluded gem in the southern Whitsundays, part of the Great Barrier Reef Marine Park. Its western side features a stunning Bahamas-style lagoon with shallow turquoise waters that teem with marine life. Massive tidal movements (up to 8 metres) keep sediment off the coral, resulting in exceptionally healthy fringing reefs with vibrant coral bommies. This near-pristine, uninhabited island offers world-class snorkelling right off the beach, with crystal-clear waters where turtles, stingrays, and reef fish are abundant. Largely unknown to tourists, Cockermouth remains a well-kept secret for eco-conscious adventurers seeking a true tropical paradise.
Cockermouth
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Wave Height 0.1 mSwell Period 2.5 sWind Speed 5.6 knPrecipitation 0.3 mmTidal Phase flood
Last evaluated
DANGER: Explicit Risks Present
Cockermouth has hazards marked as danger. Entering the water here means you may face serious risks to your personal safety.
- Remote location — no facilities or communications danger
The island is remote with no facilities, drinking water, or mobile reception. Any injury or stranding could be serious without a pre-arranged boat pickup.
The spot
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Community contribution: submitted by Daniel
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High risk: Remote location — no facilities or communications
The island is remote with no facilities, drinking water, or mobile reception. Any injury or stranding could be serious without a pre-arranged boat pickup.
Moderate risk: Strong tidal currents
Tidal range reaches up to 8 metres, creating strong currents through the lagoon channels as water moves in and out. Snorkellers should be aware of tidal state before entering the water.
Low risk: Small reef sharks in lagoon
Small reef sharks (typically under 2 feet) cruise the shallow lagoon daily. They are non-aggressive and quickly retreat, but may startle inexperienced swimmers.
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Getting in
Boat
Entry
Cockermouth Island is accessible only by private boat or chartered tour departing from Mackay, Queensland. The camping area is located on the south-western bay. No bridges or ferries service the island.
Parking & facilities
Park at the Mackay marina or boat ramp areas (e.g. Mackay Marina or Caneland Boat Ramp). No parking on the island itself — walk-in camping only upon arrival by boat.
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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