Head to Head
| Triglav League | 2018/10/20 16:00 | VK Posk v VK Mornar | L | 8-6 |
| Triglav League | 2018/03/02 17:30 | VK Mornar v VK Posk | D | 5-5 |
| Triglav League | 2017/11/10 19:00 | VK Posk v VK Mornar | D | 9-9 |
| Triglav League | 2016/02/06 17:30 | VK Posk v VK Mornar | W | 5-9 |
| Triglav League | 2015/10/09 17:30 | VK Mornar v VK Posk | W | 15-9 |
Home History
| Triglav League | 2019/01/19 18:00 | Partizan v VK Mornar | D | 13-13 |
| Triglav League | 2019/01/11 19:15 | VK Mornar v VK Sabac | W | 7-5 |
| Liga Adriatycka | 2018/12/14 19:15 | Jadran Split v VK Mornar | L | 7-6 |
| Croatia Cup | 2018/12/08 10:59 | Jadran Split v VK Mornar | L | 10-1 |
| Liga Adriatycka A1 | 2018/12/01 16:00 | VK Mornar v Jadran Carine | L | 10-12 |
| Triglav League | 2018/11/24 18:00 | HAVK Mladost v VK Mornar | L | 12-7 |
| Triglav League | 2018/11/17 18:30 | VK Mornar v Jug Dubrovnik | L | 8-12 |
| Triglav League | 2018/11/10 19:30 | Crvena Zvezda v VK Mornar | W | 8-9 |
Away History
| Triglav League | 2019/01/19 17:00 | VK Posk v Jadran Split | L | 7-17 |
| Triglav League | 2019/01/12 17:00 | VK Posk v Jadran Carine | L | 7-13 |
| Triglav League | 2018/12/15 17:00 | HAVK Mladost v VK Posk | L | 19-3 |
| Croatia Cup | 2018/12/09 10:55 | Solaris v VK Posk | W | 7-9 |
| Triglav League | 2018/12/01 19:00 | VK Posk v Jug Dubrovnik | L | 7-14 |
| Triglav League | 2018/11/24 18:30 | Crvena Zvezda v VK Posk | L | 11-7 |
| Triglav League | 2018/11/17 17:00 | VK Posk v Primorac Kotor | L | 11-20 |
| Triglav League | 2018/11/10 19:00 | VK Sabac v VK Posk | L | 12-6 |