Medveščak Zagreb II played in the 2003–04 Panonian League.
At the end of the regular season they finished sixth out six teams and they failed to qualify for the play-offs.
During the 2009–10 season they played in both the Slohokej Liga and the CIHL, winning the latter title.
When the senior Medveščak team left the Croatian Ice Hockey League permanently to play initially in the Austrian Hockey League and later the KHL, their place in the CIHL was effectively filled by Medveščak II.
They won the 2013–14 title with the help of reinforcements from their senior team after they had been eliminated early from the 2014 Gagarin Cup playoffs.