A tied island or land-tied island is a landform consisting of an island that is connected to the mainland or another island only by a tombolo, which is an isthmus of beach materials connected to land
View from the Isle of Portland looking towards the mainland of Great Britain. Chesil Beach on the left connects the tied island to the mainland
St Ninian's Isle, a tied island during all but the very highest of tides
St Ninian's Isle is a small tied island connected by the largest tombolo in the UK to the south-western coast of the Mainland, Shetland, in Scotland. It is part of the civil parish of Dunrossness on t
Tied island
…island that is connected to the mainland or another island only by a tombolo, which is an isthmus of beach materials connected to land at both ends. St Ninian's Isle in the Shetland Islands off the north coast of Scotland is an example: it was once an island but is now linked to the mainland. Other examples include…
St Ninian's Isle and horses
Ruins of St Ninian's chapel, where the treasure was discovered
Early medieval hoard of Pictish silver objects dated c AD 800