Elba has 147 km of coast, rich in grottos and fascinating coves, surrounded by a crystal clear sea, which is rich in marine life. Portoferraio, situated on a promontory, is one of the island's most ancient towns. Visit the Church of Santo Stefano alle Trane, the Fortress of Castiglione, Villa dei Mulini, the Art Centre of Italo Bolano, the Pinacoteca Foresiana, the Botanical Gardens at Ottone, and the remains of a Roman Villa at Le Grotte