In the second season of the Balkan International Basketball League are competing ten participants from the Republic of Macedonia, Bulgaria, Romania, Serbia and Montenegro.

The top 4 teams in each group advance to the playoffs.

Games will be played from October 10, 2009 to March 3, 2010.

The top four teams in each group advance for the quarterfinals.

The four remaining teams play a semifinal match and the winners of those advance to the final.