Cuil Bay (Scottish Gaelic: A' Chùil), meaning recess, corner, niche or nook, is a 237° facing, large sand and shingle coastal embayment with a semi-circular outline, on a chord of 2 km, situated on the south‐west part of the , on the southern coast of the sea loch of Loch Linnhe, in the parish of , within the council area of Lochaber in Scotland. It was formerly part of Argyll and Bute before boundary changes occurred. The bay is situated adjacent to the village of Duror. The bay is reached by a small road that leads from the Duror Primary School, leaving the main A828 road, following the line of the River Duror, as it races to meet the sea, before opening out into a vista of a long shore of meadows and sea-grasses as the land meets the bay proper.