The center of the city's social life, this old-fashioned hotel is packed with elegantly dressed men and women all weekend. Some are trying their luck in the casino, some are dancing the tango in the lounge, and some are sipping cocktails on the long, sweeping terrace. The guest rooms look out onto 20 acres of lush gardens and an aqua park complete with slides, waterfalls, and rivers. El Castillo specializes in seafood. The public beach in Añasco is 20 minutes away.