Irish Basketball League (Domino's Division One) History
League status
The Domino's Division One is the second-tier professional basketball league in Ireland. Division 1 was established in .
The Division 1 sits above the which effectively forms the of Irish basketball.
At the end of regular season, top 4 teams qualify to the play-offs.
League name history
until 2021: Division 1 2001-2002 2002-2003 2003-2004 2004-2005 2005-2006 2006-2007 2007-2008 2009-2010 2010-2011 2011-2012 2012-2013 2013-2014 2014-2015 2015-2016 2016-2017 2017-2018 2018-2019 2019-2020 2020-2021
2023-2024: InsureMyVan.ie Division One 2023-2024
2024-2025: Division One
2025 until now: Domino's Division One 2025-2026
League logos
 Until 2021 |  2021-2023 |  2023-2024 |  2024-2025 |  Since 2025 |
Title holders
Championships by club
| Titles | Club | Years |
|---|---|---|
| 1 |  UCD Marian | 2023-24 |
| 1 |  Ulster Univ. | 2022-23 |
| 1 |  Limerick C. | 2024-25 |
| 1 |  Limerick E. | 2025-26 |
Finals year-by-year
| Season | Champion | Result | Runner-Up | |
|---|---|---|---|---|
| 2022-23 |  Ulster University Basketball Belfast | 95-86 | Limerick Celtics | |
| 2023-24 | UCD Marian Dublin | 94-81 |  Moy Tolka Rovers Dublin | |
| Season | Winner | Result | Finalist | Regular Season Champ |
| 2024-25 | Limerick Celtics | 81-70 |  ND Audit Portlaoise Panthers | ND Audit Portlaoise Panthers |
| 2025-26 | Limerick Sports Eagles | 1-0 |  Titans BC Galway |  Joels Dublin Lions |
Finals participants
| Club | W | L | Total |
|---|---|---|---|
| Limerick C. | 1 | 1 | 2 |
| UCD Marian | 1 | 0 | 1 |
| Portlaoise | 0 | 1 | 1 |
| Ulster Univ. | 1 | 0 | 1 |
| Tolka Rovers | 0 | 1 | 1 |
| Titans | 0 | 1 | 1 |
| Limerick E. | 1 | 0 | 1 |
Final Four participants
| Club | 1st | 2nd | 3rd | 4th |
|---|---|---|---|---|
| Limerick C. | 1 | 0 | 0 | 0 |
| Limerick E. | 1 | 0 | 0 | 0 |
| Portlaoise | 0 | 1 | 0 | 0 |
| Titans | 0 | 1 | 0 | 0 |
| Tolka Rovers | 0 | 0 | 1 | 0 |
 Maree | 0 | 0 | 1 | 0 |
 Drogheda | 0 | 0 | 0 | 2 |
Players with the most appearances in the Irish Finals
| Player | Finals Appearances | Years |
|---|---|---|
| Stephen King | 2 | 2023, 2026 |
| Ronan Cregan | 2 | 2023, 2026 |
| Ajay Ryan Walsh | 2 | 2023, 2026 |
| Jordan Hehir | 2 | 2023, 2025 |
| Tobias Christensen | 2 | 2024, 2026 |
| Sean Ryan | 2 | 2025, 2026 |
Players with the most Irish titles
| Player | Count | Years Won |
|---|---|---|
| Tobias Christensen | 2 | 2024, 2026 |
| Sean Ryan | 2 | 2025, 2026 |
| Jordan Hehir | 2 | 2025, 2025 |
| Martin Frawley | 2 | 2025, 2025 |
| Philip Kearney | 2 | 2025, 2025 |
