Mingary Castle (excluding the boiler room within castle ditch, all interiors and the glazed timber and slate link between the main block and the east range) Kilchoan

Mingary castle is a medieval castle dating to around the late 13th century with late 16th and 17th century alterations, further early 18th century additions and 21st century alterations. It consists of an irregular polygonal enclosure, or curtain wall, with a wall walk and two corbelled turrets at the southwest and southeast corners. It is built in random rubble with distinctive horizontal coursing. The enclosure follows the outline of a rocky outcrop sitting above the shore with a rock-cut defensive ditch to the north. There is a seaward entrance through the south curtain and a landward entrance which is approached from the north over a causeway crossing the defensive ditch, although evidence survives for an earlier drawbridge arrangement.

Within the enclosure, a 3-storey and attic range is built against the north wall. It is largely 18th century in its form, having been adapted from an earlier medieval building. This range has two rooms of unequal size on each floor accessed from a new timber scale-and-platt staircase within an existing stair well. There are further ranges against the west and east walls. The range against the west wall has a single-pitched roof and is of two storeys with a single basement chamber at its south end accessed from the courtyard. Again it a medieval or early modern structure adapted in the 17th or 18th century although much of the west wall dates from 2014-15 when the castle was brought back into use. The east range is again a single-pitched lean-to structure and appears to be an addition built in the 18th century.

The castle was brought back into use during a reconstruction project undertaken in 2013-16 having been a roofless ruin since the mid-19th century. This project saw the insertion of a flat-roofed boiler house in the castle ditch and new roof and floor structures, interiors, windows and doors, and services within the castle itself.

In accordance with Section 1 (4A) of the Planning (Listed Buildings and Conservation Areas) (Scotland) Act 1997 the following are excluded from the listing: the flat-roofed boiler room within the castle ditch, all interiors and the glazed timber-and-slate link between main block and east range, all part of the 2013 conversion.