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#14 The pool of San Alfonso del Mar, Algarrobo, Chile

Located in Algarrobo, Chile, San Alfonso del Mar boasts the world’s largest crystalline pool, recognized by the Guinness World Records. Spanning an impressive 900 meters in length, this massive pool holds approximately 250 million liters of filtered seawater. Set directly along the beachfront, its striking turquoise hue and remarkable clarity are achieved through cutting-edge technology. During summer, the pool’s water remains about nine degrees warmer than the nearby ocean, offering a more comfortable experience. Its sheer size makes it perfect for various water activities, such as sailing, kayaking, and even diving.