San Juan is blessed with one of the best and largest natural harbors in the Caribbean. Hence the very apt name, Puerto Rico = Rich port. The Spanish were quite quick to realize its potential and built very quickly a large fortress – Morro Castle- at the entrance to the port / bay to keep the enemy out. They did something similar at Cartagena, a port with again a narrow entrance (Boca Chica) and a very large bay and sheltered harbor behind it. So this morning when we sailed into San Juan we did so while sliding past the guns of the castle looming high above us. Guns so close that it would have been impossible to miss us if they would have gone off. The fortress proved so strong that neither the Dutch, nor the French, nor the British could get at it. Continue reading