You can't miss the lookout it stands right alongside the road in full view of the narrow spine of land that connects eastern Formentera to the island's western half.
Formentara is connected to the west of the island by a strip of land.
Jesuitical originally signified of or pertaining to the Jesuits; belonging to the Society of Jesus; Jesuit ( OED , again), the Jesuits being the Roman Catholic clerical order founded by Ignatius Loyola in 1534 as an intellectual bulwark against the Reformation.