Oronsay (Scottish Gaelic: Orasaigh) is an uninhabited[2] tidal island in Loch Bracadale on the west coast of Skye, Scotland.

It is c.1,000 metres (0.7miles) long by 220m wide running approximately north-east to south west.

below 4 metres) the island is connected to Ullinish Point on Skye via a narrow rocky causeway, some 200m long.

[5] Views from the westward side are to the Atlantic, Idrigill Point, Macleod's Maidens, with the much larger island of Wiay c.0.8 miles north-west, behind which the flat tops of Healabhal Bheag and Healabhal Mhòr (Macleod's Tables) dominate from the Duirinish Peninsula.

Behind Wiay some 2.7miles north-west is Harlosh Island (narrowly separated from Harlosh on Skye) and to the east of this, 1.7miles north-west (and directly north of Wiay) is Tarner Island.