WORLD’S LARGEST POOL: San Alfonso del Mar, Chile.
San Alfonso del Mar is a private resort located in Algarrobo, Chile, about 60 miles (97 km) west of the capital Santiago. It is notable for having the Guinness world record for the world’s largest pool. It has been attracting tourists since it opened in December 2006.
San Alfonso’s pool is 1,000 meters (3/5th mile) long and up to 35 metres (115 ft) deep. The pool covers an area of 7.7 hectares (19 acres) that holds 250 million liters (66 million gallons) of seawater. The pool, developed by Chilean company Crystal Lagoons, uses water pumped, filtered, and treated from the Pacific Ocean to supply to the pool. [via]