San Alfonso del Mar is a private resort in Algarrobo, Chile. The swimming pool is more than 1,000 yards long, covers 20 acres, had a 115ft deep end and holds 66 million gallons of water. Acknowledged by the Guinness Book of World Records as the world’s largest swimming pool, it took five years to build, cost nearly Â£1billion and the annual maintenance bill will be Â£2million.
The man-made saltwater lagoon has been attracting huge crowds to the San Alfonso del Mar resort at Algarrobo, on Chile’s southern coast. The saltwater pool contains 250,000 cubic metres of water and is even navigable in small boats.