RONA, an island, in the parish of Portree (Isle of SKYE), county of Inverness; containing 165 inhabitants. This island lies in the sound of the same name, between the main land of Scotland and the Isle of Skye. It is about four miles in length and two in breadth, having a level surface, and a tolerably fertile soil. There is a good harbour. Around the coast are extensive caves, some of which afford fine specimens of stalactites.