World's largest swimming pool / San Alfonso del Mar Pool
World's largest swimming pool
San Alfonso del Mar Pool
This pool is located at the San Alfonso del Mar in Algarrobo, Chile. It is more than 1,000 yards long, covers 20 acres, has a 115 ft deep end and holds 66 million gallons of water. It costs around $2 billion to build and another $4 million/year for maintenance.