Sorted by tonnage.
| Class | Picture | Type | Ships | No. | Comm. | Displacement | Note |
|---|---|---|---|---|---|---|---|
| Patrol vessels | |||||||
| Samuel Beckett class | 
|
Offshore patrol vessel (OPV) | LÉ Samuel Beckett | P61 | 2014 | 2,256 tonnes | |
| LÉ James Joyce | P62 | 2015 | In reserve since August 2023 [1] | ||||
| LÉ William Butler Yeats | P63 | 2016 | |||||
| LÉ George Bernard Shaw | P64 | 2019[2] | In reserve since August 2023 [1] | ||||
| Róisín class | .jpg)
|
Large patrol vessel (LPV) | LÉ Róisín | P51 | 1999 | 1,500 tonnes | In reserve as of January 2023.[3] |
| LÉ Niamh | P52 | 2001 | In reserve since January 2023.[3] | ||||
- ^ a b Gallagher, Conor (23 August 2023). "Naval Service left with two ships to patrol Irish waters due to manpower crisis". irishtimes.com. Irish Times. Retrieved 25 August 2023.
- ^ McDermott, Stephen (30 April 2019). "Ireland's fourth offshore patrol vessel, the LÉ George Bernard Shaw, has been officially commissioned". TheJournal.ie. Dublin. Archived from the original on 13 December 2021. Retrieved 30 April 2019.
- ^ a b O'Connor, Niall (25 January 2023). "Two naval ships to be tied up as staffing crisis deepens in Irish Navy". thejournal.ie. Journal Media Ltd. Retrieved 29 January 2023.