After the war, "San Giorgio" was deployed to the Far East while "San Marcos" played a minor role in the Corfu incident in 1923. "San Giorgio", escorted by "San Marco", ferried Crown Prince Umberto to South America in July–September 1924, and then supported operations in Italian Somaliland in 1925–1926. The ship was disarmed and converted into a radio-controlled target ship in 1931–1935; her old boilers were replaced by four oil-burning ones which reduced her maximum speed to . She was captured by the Germans when they occupied La Spezia on 9 September 1943; "San Marcos" was found at the end of the war half-sunk in the harbor there and was broken up in 1949.