Viña del Mar (vēˈnyä dĕl mär) [key] [Span., = vineyard by the sea], city (1990 est. pop. 281,100), central Chile. Practically a suburb of Valparaiso, Viña del Mar is one of the most famous and popular resort cities in South America. There are luxurious hotels, villas, clubs, and gardens and fine beaches. The city has several industries—textile mills, paint factories, and food processing plants. It is also a market for the agricultural products of the region. A naval base is there. The city was founded in 1874, and is subject to sometimes damaging earthquakes.