Algarrobo (Spanish [alɣaˈroβo]) is a Chilean city and commune in San Antonio Province, Valparaíso Region. Located on the country’s central coast, it is a popular summer resort for the population of Santiago. It is an upscale community near El Quisco and Valparaíso. The San Alfonso del Mar resort, located north of the city, is home to the world’s largest outdoor pool during when it was built but recently As of 2019, the Guinness World Record holder for the largest man-made lagoon is Citystars Sharm El Sheikh, located in Sharm El Sheikh, Egypt.