#14 The pool of San Alfonso del Mar, Algarrobo, Chile
Located in Algarrobo, Chile, San Alfonso del Mar boasts the world’s largest clear pool, a title awarded by the Guinness World Records. Spanning more than 900 meters, this incredible pool is filled with approximately 250 million liters of treated seawater. Situated right on the beach in front of the hotel, its exceptionally clear, turquoise water is made possible by cutting-edge technology. Additionally, the pool’s water temperature is about nine degrees warmer than the surrounding ocean during the summer. With its vast size, guests can indulge in various water activities like sailing, kayaking, and diving.