The two most frequented by ocean-going vessels are Buenos Aires and Ensenada (La Plata).
On the Pacific coast of Lower California are the Ensenada de Todos Santos and the bays of San Quentin, Viscaino and Magdalena.
The Distrito del Norte is credited with a population of 7583 and has its capital at Ensenada (pop. 1026); the Distrito del Sur has a population of 40,041 and has its capital at La Paz.
Among the smaller ports, some of which are open to foreign trade, are Matamoros, Tuxpan, Alvarado, Tlacotalpan, Frontera, Campeche and the island of Mujeres (coast of Yucatan) on the Gulf side, and Ensenada, Altata, Santa Rosalia and Soconusco on the Pacific.
In his life he was orderly and retiring, averse from taking decisions, though not incapable of acting firmly, as when he cut short the dangerous intrigues of his able minister Ensenada by dismissing and imprisoning him.