LEVANSO, an island in the Mediterranean Sea, near the western extremity of Sicily, four miles from Favignana. It is the Phorbantia of antiquity. It is nearly six miles in circumference, lofty, rugged, and, excepting at two or three places, inaccessible. It is inhabited, and furnishes corn, wine, oil, and cotton, and faggots and firewood, to the cities of Marsala and Trapani. Long. 12. 20. 29. E. Lat. 38. 1. 36. N.