Y-40 The Deep Joy (Montegrotto Terme, Italy) - The World’s Deepest Thermal Water Swimming Pool

The Deep Joy pool is just outside the small Italian commune of Montegrotto Terme, about 28 miles west of Venice. It holds the world record for thermal water filled pool with depths of more than 131ft (40m) at its deepest point. As well as dives of various depths, visitors can learn to swim like a mermaid or have your photo taken under water. You might think that you have to travel to the Caribbean to experience incredible dives in luxuriously warm waters. But just outside the small Italian commune of Mont