San Alfonso del Mar is a resort in Algarrobo, Chile, also known for its world’s largest swimming pool according to the Guinness World Records. The resort is owned by a Chilean biochemist and businessman Fernando Fischmann, the head of Crystal Lagoon Corporation – the company that designed the gigantic pool. He used the patented technology to “harvest, filter and permanently recirculate ocean water”. “This advance provides something that until now was not technically possible – the generation of monumental masses of water in a crystalline state to provide a beach life environment and aquatic sports at the top level,” Fernando Fischmann says.
The San Alfonso pool construction cost approximately 3.5 million US dollars. The size of the pool is 8 hectares in surface area which equals 6,000 standard-size 8-metre-long swimming pools. The water temperature in summer is 26C; it is 9 degrees warmer than the ocean next to it. The pool uses the water from the Pacific; it holds up to 250, 000 cube meters of water. Crystal clear water allows to see trough 35 meters of the pool depth, it’s completely transparent.
While at the San Alfonso del Mar visitors relax at white sand private beaches which have their own boat docks within an artificial tropical environment.Along with tanning there lots of other activities at San Alfonso as sailing, kayaking, scuba diving, ocean navigation, tennis, paragliding, soccer courts, volleyball courts, tennis courts, a 3D golf stimulator and a gym with view of the lagoon. The Beach Club at San Alfonso offers a tempered beach under the glass pyramid, open-air Jacuzzis, sauna, and the first medical spa in Chile.