Mgarr Sound Locator position is very similar to the nearby Ghajn Tuffieha position.
The searchlight complex has crew accommodation, a garage and observation tower. The roof of the accommodation room has wall art with various national flags. There a loopholes in the part of the perimeter wall of the searchlight position that survive.
The Sound Locator pen has a room to one side, but the interior is now flooded. It is used by a local farmer as a reservoir.