The Sharks have only won one Grand Final.
| Year | Opponent | Competition | Score | |
|---|---|---|---|---|
| 1973 | Manly-Warringah Sea Eagles | NSWRL | 7-10 | |
| 1978 | Manly-Warringah Sea Eagles | NSWRL | 11-11 | |
| 1978 replay | Manly-Warringah Sea Eagles | NSWRL | 0-16 | |
| 1997 | Brisbane Broncos | SL | 8-26 |
| Year | Competition | Wins | |
|---|---|---|---|
| 1988 | NSWRL | 16 (plus 2 draws) | |
| 1999 | NRL | 18 |
2000, 2001, 2002, 2005, 2008, 2012, 2013, 2015, 2016.