World's Largest Swimming Pool in San Alfonso del Mar

Did you know that the world's largest swimming pool can be found in Chile? The holder of the current Guinness record as the world’s largest crystalline water pool is located in San Alfonso del Mar, Chile.

World's largest pool in Chile

Here are some key facts about the world's largest pool:

  • more than one kilometer (0.62 miles) in length
  • eight hectares (almost 20 acres)
  • holds 250 million liters (66 million gallons) of water
  • took five years and almost 1.5 billion Dollars to build
  • costs 4 million Dollars per year to maintain

Hard to imagine? We are talking about nothing less than the equivalent to 6,000 familiar 8-meters-long pools. Apart from its large size, the lagoon has another spectacular feature: its waters have the transparency and intense turquoise color of tropical seas. During summer, the pool maintains a pleasant temperature that borders 26º C  (79º F), nine degrees more than the nearby sea temperature.

San Alfonso del Mar has the world's largest pool

The saltwater pool contains 250,000 cubic metres of water and is navigable in small boats. To cross, it would take an average swimmer over half an hour!

Largest Pool