GeoEye-1 (0.5m) Satellite Image of the World’s Largest Swimming Pool at the
San Alfonso del Mar Resort in Algarrobo, Chile
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(Image copyright © DigitalGlobe and Courtesy of Satellite Imaging Corporation)
Satellite photo of San Alfonso del Mar Resort in Algarrobo, Chile, about 100 km (62 mi) west of the capital Santiago. The resort is recognized as having the world’s largest swimming pool.
The pool is 1.013 km (0.629 mi) long, covering 8 hectares (20 acres), containing some 250,000,000 litres (55,000,000 imp gal; 66,000,000 US gal) of seawater, with a maximum depth of 35 m (115 ft). The water is pumped, filtered, and treated from the Pacific Ocean.
The pool was developed by Fernando Fischmann; his Chilean company Crystal Lagoons built the pool, which opened in December 2006. While early estimates put the total cost of construction at about US$3.5 million for the filtration system alone, more recent estimates are in the area of US$1.5 billion to US$2 billion total for construction and almost US$4 million in annual maintenance.