Garda Stack is located off the SE corner of the island of Vailia. Garda Stack is one of several stacks and shallow rocky reefs in this area, creating a complex underwater topography. My favourite dive

Mavis Grind is the narrowest point of Shetland, at only 33m wide, this small strip of land (called an isthmus) separates the Atlantic Ocean to the west and the North Sea to the east. It is said that V