| 2018 CHSAA AA Brooklyn/Queens Playoff Bracket | ||||
| QUARTERFINAL | SEMI FINAL | FINAL | ||
| February 19, 2018 | February 21, 2018 | February 23, 2018 | ||
| 1 Christ The King (18-5) | ||||
| 78-63 | 1 Christ The King (19-5) | |||
| @ St. Francis Prep | ||||
| 5 St. Francis Prep (10-13) | ||||
| 70-67 | 4 Holy Cross (11-14) | |||
| @ Highest Seed | ||||
| 4 Holy Cross (10-14) | ||||
| 56-54 | 1 Christ The King (20-5) | |||
| @ St. Francis Prep | Brooklyn/Queens Champion | |||
| 3 Bishop Loughlin (8-15) | ||||
| 88-26 | 3 Bishop Loughlin (9-15) | |||
| @ Highest Seed | ||||
| 6 Xaverian (6-18) | ||||
| 63-58 | 2 Molloy (14-11) | |||
| @ St. Francis Prep | ||||
| 2 Molloy (13-11) | ||||