| Room | Floor | Theatre | Classroom | BoardRoom | Reception | Banquet | Cabaret | UShape | Daylight |
| The Shelbourne Suite | Ground Floor | 500 | 220 | 130 | 700 | 390 | 250 | 120 | Yes |
| Shelbourne 1 | Ground Floor | 100 | 50 | 45 | 100 | 80 | 55 | 40 | Yes |
| Shelbourne 2 | Ground Floor | 100 | 50 | 45 | 100 | 80 | 55 | 40 | Yes |
| Shelbourne 3 | Ground Floor | 100 | 50 | 45 | 100 | 80 | 55 | 40 | Yes |
| Shelbourne 4 | Ground Floor | 100 | 50 | 45 | 100 | 80 | 55 | 40 | Yes |
| The Merrion Suite | Ground Floor | 180 | 110 | 50 | 150 | 80 | 90 | 40 | Yes |
| Merrion 1 | Ground Floor | 30 | 15 | 15 | 50 | 20 | 15 | 15 | Yes |
| Merrion 2 | Ground Floor | 50 | 25 | 20 | 60 | 40 | 30 | 20 | Yes |
| Merrion 3 | Ground Floor | 50 | 25 | 20 | 60 | 40 | 30 | 20 | No |
| The Carysfort Suite | Ground Floor | 200 | 80 | 80 | 200 | 150 | 84 | 120 | Yes |
| Carysfort 1 | Ground Floor | 100 | 40 | 40 | 100 | 60 | 42 | 40 | Yes |
| Carysfort 2 | Ground Floor | 100 | 40 | 40 | 100 | 60 | 42 | 40 | Yes |
| The Sandyford Suite | Ground Floor | 45 | 20 | 15 | 50 | 40 | NA | 20 | Yes |
| The Priory Suite | Ground Floor | 40 | 20 | 15 | 50 | 40 | NA | 20 | Yes |
| The Sandyford & Priory Suite | Ground Floor | 60 | NA | NA | 100 | 80 | NA | NA | Yes |
| The Trinity Suite | First Floor | | | 20 | | | | 20 | Yes |
| Kilmacud Suite | First Floor | | | 16 | | | | 14 | Yes |
| Nutley Suite | First Floor | | | 8 | | | | 10 | Yes |
| Wexford Suite | First Floor | | | 12 | | | | 12 | Yes |
| Avoca Suite | First Floor | | | 14 | | | | 12 | Yes |
| Anville Suite | | | | 10 | | | | 10 | Yes |
| Foster Suite | | | | 14 | | | | 12 | Yes |
| Carlow Suite | First Floor | | | 8 | | | | 10 | Yes |