Sanda Island is a small island in the Firth of Clyde, off of Argyll and Bute, Scotland, near the southern tip of the Kintyre peninsula, near Southend and Dunaverty Castle. On clear days Sanda can be seen from the southern tip of the Kintyre peninsula, from the Isle of Arran and from northeast County Antrim. It is known locally on Arran and on the Antriā¦Sanda Island is a small island in the Firth of Clyde, off of Argyll and Bute, Scotland, near the southern tip of the Kintyre peninsula, near Southend and Dunaverty Castle. On clear days Sanda can be seen from the southern tip of the Kintyre peninsula, from the Isle of Arran and from northeast County Antrim. It is known locally on Arran and on the Antrim coast as "Spoon Island" because of its resemblance to an upturned spoon.