#14 The pool of San Alfonso del Mar, Algarrobo, Chile
Located in Algarrobo, Chile, San Alfonso del Mar is home to the world’s largest crystal-clear pool, recognized by the Guinness World Records. Spanning over 900 meters, this massive pool is filled with approximately 250 million liters of treated seawater. Positioned along the beachfront in front of the hotel, the water is remarkably clear and turquoise, aided by cutting-edge technology. Additionally, the water temperature is about nine degrees warmer than the surrounding ocean in summer. Its vast size provides ample space for guests to indulge in water activities such as sailing, diving, and kayaking.