The Isle of Erraid (Scottish Gaelic: Eilean Earraid) is a tidal island approximately one mile square in area located in the Inner Hebrides of Scotland. It lies west of Mull (to which it is linked by a beach at low tide) and southeast of Iona. The island receives about 100 centimetres (39.4 in) of rain and 1,350 hours of sunshine annually, making it one of the driest and sunniest places on the western seaboard of Scotland.