what sea has the island of majorca
- The island. Majorca, Minorca, Ibiza, Formentera and 147 other inhabited islands are part of the Spanish autonomous province of the Balearic Islands. The island of Majorca is situated in the Mediterranean Sea about 180 km off the Spanish eastcoast. Size Majorca has an area of 3640 km2, rounded by a coastline of 555 km, a distance from north to south of 100 km and from east to west of 70 km, being its highest point of 1432 m.