The Florida Complex League Marlins are a Rookie-level affiliate of the Miami Marlins, competing in the Florida Complex League of Minor League Baseball. Prior to the 2021 season, the team was known as the Gulf Coast League Marlins. The team plays its home games in Jupiter, Florida, at Roger Dean Stadium, which is also the spring training home of the St. Louis Cardinals and the Miami Marlins. The team is mainly composed of players who are in their first year of professional baseball either as draftees or non-drafted free agents.