Fast Castle is the ruined remains of a coastal fortress in Berwickshire, south-east Scotland. There is evidence of Iron Age habitation here, and it was centrally positioned in the British kingdom of Bryneich. Fast Castle is first recorded in 1333. In 1346 the site was occupied by an English garrison and was used as a base to pillage the surrounding countryside.
The castle fell into the hands of the Home family in the late 15th century. It was destroyed in the chaos in 1515, and Alexander Home was executed in 1516 and his land forfeit.
The castle was rebuilt by 1522, but was conquered by English and Scotties armies several times. In the early 17th century it was already in ruins.
References:The Broch of Clickimin is a large and well preserved, though somewhat restored broch near Lerwick. Originally built on an island in Clickimin Loch (now increased in size by silting and drainage), it was approached by a stone causeway. The water-level in the loch was reduced in 1874, leaving the broch high and dry. The broch is situated within a walled enclosure and, unusually for brochs, features a large 'blockhouse' between the opening in the enclosure and the broch itself. Another unusual feature is a stone slab featuring sculptured footprints, located in the causeway which approached the site. Situated across the loch is the Clickimin Leisure Centre.