 Duties were later transferred to the larger and modern Port of Barranquilla in Bocas de Cenizas, the mouth of the Magdalena River in the Caribbean sea.The town enjoyed a glorious post-colonial period as the main port on the Caribbean coast of Colombia, where most European immigrants entered the country.In the second half of the 20th century, Puerto Colombia faced a rapid decline, eclipsed by Barranquilla, the capital of Atlántico.