We are a Private Harbour run by the Duchy of Cornwall.

As the traffic hub of the Isles of Scilly we cater for around 2000 visiting yachts each year. Harbour users also include fishing vessels, local boat owners, inter island passenger launches and of course the ships used for the Island’s mainland connections.

As a Competent Harbour Authority we provide a Pilotage service for the Islands expecting up to 60 cruise ship calls in 2019, along with sail training vessels, large yachts and special cargo deliveries.

We are also classed as a Local Lighthouse Authority devolved under Trinity House enabling us to establish and maintain certain navigational aids around the Islands.

St Mary’s Harbour is owned and managed by the Duchy of Cornwall as part of the archipelago of the Isles of Scilly.