| 2011 Section XI Overall Championship Bracket | ||||
| February 25, 2011 | March 2, 2011 | March 4, 2011 | March 6, 2011 | |
| Port Jefferson (12-7) | 1 Harborfields (17-2) | |||
| C Champion | A Champion | |||
| 69-46 | 57-49 | |||
| @ Farmingdale State | Port Jefferson (13-7) | @ Stony Brook | 1 Harborfields (18-2) | |
| College | C/D Champion | University | A/B/C/D Champion | |
| 47-34 | 81-51 | |||
| Ross (7-10) | @ Farmingdale State | Port Jefferson (14-7) | @ Farmingdale State | 1 Harborfields (19-2) |
| D Champion | College | B/C/D Champion | College | Section XI Champion |
| Mattituck (15-5) | HH Hills West (17-4) | |||
| B Champion | AA Champion | |||