Head to Head
| Republic of Ireland Leinster Senior League | 2018/05/23 18:45 | St Mochtas v Portmarnock AFC | L | 0-2 |
| Republic of Ireland Leinster Senior League | 2017/09/24 10:02 | Portmarnock AFC v St Mochtas | L | 2-1 |
Home History
| Republic of Ireland Leinster Senior League | 2018/08/22 18:45 | St Mochtas v Swords Celtic FC | W | 2-0 |
| Republic of Ireland Leinster Senior League | 2018/08/19 11:00 | St Mochtas v Bluebell United | D | 0-0 |
| Republic of Ireland Leinster Senior League | 2018/05/23 18:45 | St Mochtas v Portmarnock AFC | L | 0-2 |
| Republic of Ireland Leinster Senior League | 2018/05/13 10:00 | St Mochtas v St Patricks CY FC | W | 2-1 |
| Republic of Ireland Leinster Senior League | 2018/05/03 18:45 | Malahide Utd v St Mochtas | L | 3-1 |
| Republic of Ireland Leinster Senior League | 2018/04/25 18:45 | St Mochtas v Crumlin United | D | 1-1 |
| Republic of Ireland League Cup | 2018/04/09 18:45 | Drogheda United v St Mochtas | L | 3-2 |
| Republic of Ireland Leinster Senior League | 2018/02/21 19:45 | St Mochtas v Killester Donnycarney FC | L | 0-2 |
Away History
| Republic of Ireland Leinster Senior League | 2018/08/29 17:45 | Portmarnock AFC v Ballymun United | W | 2-1 |
| Club Friendly List | 2018/07/19 18:15 | Sheriff YC v Portmarnock AFC | D | 1-1 |
| Europe Friendlies | 2018/07/09 18:15 | Portmarnock AFC v Oxford Utd | L | 0-1 |
| Republic of Ireland Leinster Senior League | 2018/05/28 18:00 | Portmarnock AFC v Newbridge Town FC | W | 3-1 |
| Republic of Ireland Leinster Senior League | 2018/05/23 18:45 | St Mochtas v Portmarnock AFC | W | 0-2 |
| Republic of Ireland Leinster Senior League | 2018/05/20 10:00 | Killester Donnycarney FC v Portmarnock AFC | L | 3-2 |
| Republic of Ireland Leinster Senior League | 2018/05/16 18:00 | Portmarnock AFC v Sacred Heart Firhouse Clover | W | 4-3 |
| Republic of Ireland Leinster Senior League | 2018/05/02 18:47 | Bangor Celtic FC v Portmarnock AFC | D | 1-1 |