1989-90 Division III Playoffs
| Team 1 | (pts) | vs | Team 2 | (pts) | Date | Time | Location |
|---|---|---|---|---|---|---|---|
| #3 North East Clinton (9-12-0) | (5) | vs | #6 Tupper Lake (3-18-2) | (7) | 2/19/90 | Rouses Point Civic Center | |
| #4 Alex Bay (6-16-2) 2 OT | (4) | vs | #5 Thousand Islands (3-21-0) | (3) | 2/19/90 | Alex Bay Arena | |
| #1 Lake Placid (8-14-0) | (5) | vs | #6 Tupper Lake (4-18-2) | (2) | 2/21/90 | Lake Placid Arena | |
| #2 Indian River (10-11-0) | (3) | vs | #4 Alex Bay (7-16-2) | (4) | 2/21/90 | Indian River Arena | |
| #1 Lake Placid (9-14-0) | (0) | vs | #4 Alex Bay (8-16-2) | (2) | 2/24/90 | SUNY Potsdam |
