Manatí is a city and municipality of Puerto Rico on the northern coast, north of Morovis and Ciales; east of Florida and Barceloneta; and we…Manatí is a city and municipality of Puerto Rico on the northern coast, north of Morovis and Ciales; east of Florida and Barceloneta; and west of Vega Baja. Manatí is spread over 8 barrios and Manatí barrio-pueblo. It is part of the San Juan-Caguas-Guaynabo Metropolitan Statistical Area.