[1][2] Located in the south channel of Loch Moidart, the island rises to just beyond 30 metres (98 ft) and has an area of approximately 5.3 hectares (13 acres) at the Mean high water spring (MHWS) level.
It is part of the Morar, Moidart & Ardnamurchan National Scenic Area, one of 40 in Scotland.
[3] Eilean an Fheidh is an island formerly owned by the Clan Macdonald of Clanranald and the last island in Loch Moidart sold by descendents of clan founder Reginald, 4th great-grandson of Somerled.
[6] It was historically valued on the 1936-37 valuation roll at £26 together with the neighbouring island of Shona Beag.
[7] As the island's name suggests, deer are frequent visitors to the island as are herons, the activities of which are being monitored as part of the British Trust for Ornithology's Heronries Census, as a site within Ordnance Survey grid reference NM6772.