The Miami Marlins are a baseball team.
The Miami Marlins are an American professional baseball team based in Miami , Florida . The Marlins compete in Major League Baseball ( MLB ) as a member of the National League ( NL ) East division . Though one of only two MLB franchises to have never won a division title ( the other is the Colorado Rockies ) , the Marlins have won two World Series championships as a wild card team . The Marlins have the distinction of winning a World Series championship in both seasons they qualified for the postseason , doing so in 1997 and 2003 -- both times as the National League wild card team .