10 Of the Most Unique and Amazing Swimming Pools

San Alfonso del Mar Seawater Pool in Chile

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Currently being the largest swimming pool in the world, the San Alfonso del Mar Seawater Pool in Chile is as much as 3,323 feet long. Covering 20 acres and being as much as 11.5 feet in depth at its deepest point, the pool is also one of the few swimming pools to be entirely filled with sea water.