澳門總督
In 1900 the Regenerator Party returned to power and the Counsilor Horta e Costa was again appointed on 12 August as the 71st Governor of Macau, where he conducted a military expedition. The mission was difficult and risky, and he received a Portary of Commendation. He then founded the Lyceum and made various improvements. He left office on 17 December 1902.