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The Crystal Lagoon, located at the San Alfonso del... at HarvestHeart
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The Crystal Lagoon, located at the San Alfonso del Mar resort in Algarrobo, Chile, is the world’s largest outdoor pool, stretching more than half of a mile and filled with 66 million gallons of water.
slideshow:  http://news.yahoo.com/photos/world-s-largest-outdoor-pool-slideshow/largest-pool-photo-1337710427.html
Wikipedia)
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World’s Largest Swimming Pool (amusingplanet.com)

The Crystal Lagoon, located at the San Alfonso del Mar resort in Algarrobo, Chile, is the world’s largest outdoor pool, stretching more than half of a mile and filled with 66 million gallons of water.

slideshow:  http://news.yahoo.com/photos/world-s-largest-outdoor-pool-slideshow/largest-pool-photo-1337710427.html

Second Home, Real Estate Project Located in Al...
Wikipedia)