the San Alfonso del Mar resort in Algarrobo, Chile
It was listed officially as the largest swimming pool by area in the Guinness Book of World Records in December of 2006.
The pool holds a staggering 250 million liters (66 million gallons) of water and is the equivalent to about 6,000 8-meter long pools.
Located about 90 kilometers (56 miles) from Santiago, San Alfonso del Mar is a major tourist attraction and popular destination for tourists from around the world.