They expanded the naval forces, fortified the ports of Valdivia, Valparaíso, Arica and Callao and constructed city walls in Lima (1686) and Trujillo (1685–1687).
Rozširovali svoju flotilu, opevňovali prístavy ako Valdivia, Valparaíso, Arica a Callao a vybudovali hradby okolo miest Lima (1686) a Trujillo (1685-1687).