SHUNA, an island, of the Hebrides, in the parish of Kilbrandon, district of Lorn, county of Argyll; containing 69 inhabitants. It is a small isle on the coast of the county, separated from the island of Luing by a sound of its own name. The isle is noted for its slate and limestone quarries; and there is a quay for the accommodation of vessels engaged in the export of these articles.