The "San Marco" Marine Brigade is an amphibious formation of the Italian Navy, has been brigade since 2013 but the amphibious corps existed since 1915, reorganizing the Navy Landing Force. It has its command in Brindisi. They are the marines of the Italian Navy.

The Italian Navy is the navy of the Italian Republic. It is one of the four branches of Italian Armed Forces and was formed in 1946 from what remained of the Regia Marina after World War II. As of August 2014, the Italian Navy had a strength of 30,923 active personnel, with approximately 184 vessels in service, including minor auxiliary vessels. It is considered a multiregional and a blue-water navy.