Colombia
Ports: Colombia has coasts on both oceans - Atlantic and Pacific - and it is one of the first world water reserve because it has many rivers and lakes. The longest rivers are the Amazon, Magdalena, Cauca, and the Atrato. The main ports on the Atlantic coast are Barranquilla, which was the first Colombian port, Cartagena de Indias and Santa Marta. There are other ones like Rioacha and Turbo. The ports on the Pacific coast are Buenaventura and Tumaco. The port of the San Andres Island is also one of the most important for the country in the Caribbean and Antillean Sea. The city of Leticia is a very important river port on the Amazon river.