- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°41'20"N 6°21'3"W
- Eastings/Northings: 140791, 874914
- OS Grid: NG407749
- Mapcode Local: GBR B8PD.KRW
- Mapcode Global: WGY5H.DZYV
Location and coordinates are for the approximate centre of Tulm Island within this administrative area.
Geographic features and populated places may cross administrative borders.