For an unique natural experience, make your way to the steaming pools of Cavascura Hot Spring. This spot is renowned for its mineral-rich thermal waters.
This naturally heated water source is in Barano d'Ischia, a place that has loads going for it! Aragonese Castle, Poseidon Thermal Gardens, and Cartaromana Beach are other good sightseeing options not far away when you're done at Cavascura Hot Spring.