We took the taxi boat to get to the spa that goes down to the sea. Very uncomfortable without rock shoes.
A unique beach. There's thermal water that sometimes flows quite hot. You can get there by public transport, and after a short walk, you have to descend about 250 steps. There's a beach bar where you can rent umbrellas and sun loungers, and you can also eat, drink something refreshing, or have a coffee. There's also a water taxi service that takes you to Sant'Angelo. A truly wonderful experience and a real treat for the body and skin. I'll definitely be back. Highly recommended.