The Castle of Santa Àgueda (Arabized: Sent Agaiz) is found in the municipality of Ferreries, Minorca. It is situated over an elongated plateau, called Santa Àgueda, 264 m above sea level. It is the third highest point in the island behind Monte Toro (358 m) and S'Esclusa (275 m). The castle is accessed by an ancient Roman road.