| 2011 CLASS B CHAMPIONSHIP | |||
| New York State Section XI | |||
| QUARTERFINAL | SEMI FINAL | FINAL | |
| February 18, 2011 | February 22, 2011 | February 25, 2011 | |
| @ Highest Seed | @ Highest Seed | ||
| 1 Center Moriches (11-7) | |||
| 4 Southampton (11-7) | 71-46 | 1 Center Moriches (12-7) | |
| 53-50 | 4 Southampton (12-7) | ||
| 5 Babylon (6-12) | 64-52 | ||
| @ Farmingdale State | 2 Mattituck (15-5) | ||
| College | Class B Champion | ||
| 3 Wyandanch (8-10) | |||
| 60-55 | 2 Mattituck (14-5) | ||
| 2 Mattituck (13-5) | |||