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St Mary's
Tel: +44 (0) 1720 422768

Tel: +44 (0) 1720 422066/ 422317
Mobile +44 (0) 831 210266

Tel: +44 (0) 1720 422571

Tel: +44 (0) 1720 422508


H.M. Coastguard

Tel: +44 (0) 1720 422886

St. Agnes
Tel: +44 (0) 1720 422371

St. Mary's
Tel: +44 (0) 1720 422651
      +44 (0) 1720 422129

Tel: +44 (0) 1720 422792




Information for Yachtsmen and Visiting Craft.


The Isles of Scilly with their 150 islands, islets and titled rocks are a popular destination. St Mary's is the largest of the islands and its harbour is privately-owned by the Duchy of Cornwall. The harbour office is located on the Quay and is open from 08.00 - 17.00 daily.

The speed limit is 3 knots. All craft are subject to harbour dues. All vessels are prohibited from anchoring in the channel or harbour approaches. No charge for keelage outside the harbour limits: other anchorages at New Grimsby, Tresco Channel, Porthconger, Watermill Cove and Porthcressa

There is good sailing available in St Mary's Road for experienced helmsmen and the inner harbour provides sailing for the less experienced.

38 large yellow buoys for mooring which will be seen on the approach to Quay Head. Visitors are requested not to use moorings belonging to local residents.

Please use the Visitors Dinghy Park, located at the Old Quay. Please note: visitors should not use St Marys Quay and the passenger ferry steps as a dinghy park.

Communication with harbour office on VHF Channel 16, working Channel 14.

Please contact the Harbour Master for allocation of deep water yacht moorings.

For more information:

Harbour Master St Mary's Tel: +44 (0) 1720 422768
Pilot Tel: +44 (0) 1720 422066/ 422317 Mobile +44 (0) 831 210266
H M Customs Tel: +44 (0) 1720 422571
The Duchy of Cornwall Tel: +44 (0) 1720 422508

Services include: all fuels and camping gas available at depot on the Quay; water on the Quay, by prior arrangement with the Harbourmaster; showers, toilets and laundry facilities at Isles of Scilly Yacht Club during opening hours.

Many of the uninhabited islands are protected as nature reserves and there are some restrictions regarding landing or approach which must be observed.

Islands which are open all year: White Island, off Samson; Rosevean; Gweal; Samson; Eastern Islands; St Helen's; Puffin Island; White Island off St Martin's; Northwethal Tean (Please take care not to disturb the ringed plovers and terns nesting above the high water mark on this island).

Islands closed from April 15th to August 20th, except by permit: Annet; Norrard Rocks including Castle Bryher, Illiswillig, Maiden's Bower, Mincarlo and Scilly Rock; the Western Rocks including Crebwethan, Gorregan, Melledgan, and Rosevear; Stony Island and Green Island off Samson; Menavaur off St Helen's.





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