| 29 Sept | Regional Development 1 Meet | Tipperary Town | SC | | | | |
| 6 - 18 Oct | World Youth Olympic Championships | Buenos Aires | LC | | | | |
| 13 - 14 Oct | Regional Qualifying Meet | UL | Sc | |  | | |
| 20 Oct | Regional Minor Schools Meet | UL | SC | | | | |
| 21 Oct | Regional Senior Schools Meet | UL | SC | | | | |
| 3 - 4 Nov | Regional SC Championships | UL | SC | | | | |
| 10 Nov | Nenagh Invitational | Nenagh | SC | | | | |
| 18 Nov | Regional Development 2 Meet | Douglas | SC | | | | |
| 6 - 9 Dec | Irish SC Championships | Lisburn | SC | | | | |
| 11 - 16 Dec | FINA World SC Championships | Hangzhou | SC | | | | |
| 16 Dec | Swim Ireland Christmas Cracker Meet | NAC | SC | | | | |
| 2019 | | | | | | | | |
| 12 -13 Jan | Regional Development Meet | Mallow/ Tralee | SC | | | | |
| 18 - 20 Jan | Gerry Ryan Invitational Meet | UL | LC | | | | |
| 10 Feb | Irish Minor Schools | NAC | SC | | | | |
| 16 -17 Feb | Regional Qualifying Meet | UL | LC | | | | |
| 22 - 24 Feb | Dave McCullagh International Meet | Bangor | LC | | | | |
| 23 Feb | Regional Development 1 Meet | Ennis | SC | | | | |
| 2 Mar | Regional Development 2 Meet | Mallow | SC | | | | |
| 9 - 10 Mar | Dolphin Open | Mayfield | SC | | | | |
| 15 - 16 March | Ennis Invitational | Ennis | SC | | | | |
| 24 Mar | Regional Development 1 Meet | Tipperary | SC | | | | |
| 27 - 31 Mar | Irish Open LC Championships | NAC | LC | | | | |
| 6 - 7 Apr | Maximare Swim Cup | Maximare, Hamm, Germany | LC | | | | |
| 6 -7 Apr | Regional Qualifying Meet | UL | LC | | | | |
| 14 Apr | Schools Interpro | NAC | SC | | | | |
| 19 -20 Apr | Mallow Invitational | Mallow | SC | | | | |
| 27 Apr | Limerick Invitational Cadet Meet | | | | | | |
| 28 Apr | Limerick Invitational Distance Meet | UL | LC | | | | |
| 03 - 04 May | Dolphin Minnows | Mayfield | SC | | | | |
| 12 May | Limerick Development 2 Meet | UL | LC | | | | |
| 19 May | Regional Development Meet | Mayfield | SC | | | | |
| 31 May - 2 June | Regional LC Age Groups Championships | UL | LC | | | | |
| 8 - 9 June | Sundays Well SC Invitational - Michael Bowles | Douglas | SC | | | | |
| 11 - 12 June | Mare Nostrum | Canet | | | | | |
| 15 June | Regional Development 2 Meet | UL | SC | | | | |
| 15 - 16 June | Mare Nostrum | Barcelona | LC | | | | |
| 16 June | 1st All-Ireland Inter County Championships | NAC | LC | | | | |
| 27 - 30 June | Scottish Open Championships | Aberdeen | LC | | | | |
| 3 - 7 July | European Junior Championships | Kazan | LC | | | | |
| 4 - 11 July | World University Games | Naples | LC | | | | |
| 11 - 14 July | Irish National Division 2 Meet | UL | LC | | | | |
| 21 - 28 July | FINA World LC Championships | Korea | LC | | | | |
| 22 - 27 July | European Youth Olympic Festival | Baku | LC | | | | |
| 24 - 28 July | Irish National Summer LC Championships | NAC | LC | | | | |
| 20 - 25 Aug | World Junior Championships | Budapest | LC | | | | |
