Fairytale castle on a tidal island in Mount's Bay. Accessible on foot via cobbled causeway at low tide or by boat when tides are high. Over 1000 years of history as monastery, fortress, and family home. Subtropical gardens on the slopes with spectacular views.
Castle £15, garden £11 (separate). Boat for members £3.20 one-way. Castle opens 15 March, gardens 1 May 2026. Advance booking for discount
Check tide times before visiting. Low tide for causeway walk (free). May-September for gardens. Book tickets day before for advance discount.
faq.subtitle St Michaels Mount
At low tide: Walk across cobbled causeway (free, about 10 minutes). At high tide: Take the boat (members £3.20, others with castle/garden ticket). Check tide times on website before visiting.
Average temperature by month
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