1989
| Played | Won | Lost | Draws | For | Against | Points | Position |
| 22 | 9 | 12 | 1 | 334 | 343 | 19 | 11th out of 16 |
| Round | Result | Venue |
| 1 | Parramatta 22 vs Manly 20 | Parramatta |
| 2 | Manly 18 vs Brisbane 22 | Brookvale |
| 3 | Newcastle 14 vs Manly 0 | Marathon Stadium |
| 4 | Manly 16 vs North Sydney 12 | Brookvale |
| 5 | Manly 12 vs Penrith 22 | Brookvale |
| 6 | Balmain 9 vs Manly 8 | Leichhardt |
| 7 | Manly 14 vs Western Suburbs 2 | Brookvale |
| 8 | Manly 10 vs Canberra 12 | Brookvale |
| 9 | Illawarra 18 vs Manly 12 | WIN Stadium |
| 10 | South Sydney 36 vs Manly 10 | Sydney Football Stadium |
| 11 | Manly 22 vs Eastern Suburbs 12 | Brookvale |
| 12 | Manly 24 vs St.George 10 | Brookvale |
| 13 | Manly 28 vs Canterbury 10 | Brookvale |
| 14 | Gold Coast 29 vs Manly 6 | Seagulls |
| 15 | Cronulla 19 vs Manly 14 | Shark Park |
| 16 | Manly 30 vs Parramatta 8 | Brookvale |
| 17 | Brisbane 8 vs Manly 16 | Lang Park |
| 18 | Manly 22 vs Newcastle 12 | Brookvale |
| 19 | North Sydney 14 vs Manly 12 | North Sydney Oval |
| 20 | Penrith 28 vs Manly 10 | Penrith |
| 21 | Manly 10 vs Balmain 10 | Brookvale |
| 22 | Western Suburbs 14 vs Manly 20 | Campbelltown |
