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Castle Rock Beach
Castle Rock Beach is a tiny, tucked-away gem near Clontarf — just 30 metres of sand sheltered from the open water, with a striking freestanding boulder sitting right in the shallows. You anchor off and swim in — the calm, protected conditions make it one of the nicer dips on the Spit. It's the kind of spot that feels like a secret even when you know about it.
Based on AIS data
quiet → busy
Marinas and anchorages near Castle Rock Beach · times are dock to dock
Popular Times
Boats arriving and leaving, by local hour — the hours the quay is actually working.
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- Busiest on Saturdays and Sundays
- Busiest around 14:00 — mostly boats leaving
- Half the boats that stop here have arrived by 12:00
- 21% of visits are overnight
- Typical stop: ~3h
Plan a Passage
Popular
24 legs boats have actually been recorded sailing.
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