Who needs the sea with a pool like this?

San alfonso del Mar pool

San alfonso del Mar pool, By Crystal Lagoons (Own work) [CC-BY-SA-3.0], via Wikimedia Commons

The largest pool in the world is located in San Alfonso del Mar, Chile and has over 1 kilometer length, sandy beaches, plenty of space for sailing and windsurfing and much more.

San Alfonso del Mar is a private resort in Algarrobo, Chile, about 100 km west of the capital Santiago.

San alfonso del Mar pool beach

San alfonso del Mar pool beach, via Planet Apex

This magnificent piece of architecture is 1013 m long, covering 8 ha (20 acres),containing some 250,000,000 litres of seawater, with a maximum depth of 35 m (115 ft). The water is pumped from the Pacific Ocean, filtered, and treated.

Swimming in the ocean is banned here.