| Astroshot Observatory | Derry | — |
| Balbriggan Observatory | Balbriggan | — |
 Blackrock Castle Observatory | Cork | — |
| Brownstown Observatory | Condado de Meath | — |
| Cademuir Observatory | Dublín | — |
| Cape Clear Bird Observatory | Irlanda | — |
 Castillo de Blackrock | County Cork | — |
| Celbridge Observatory | Celbridge Community School | — |
| Cherryvalley Observatory | — | — |
 Crawford Observatory | — | — |
| Dunboyne Castle Observatory | af Chapman | — |
 Dunsink Observatory | Dublín | — |
 Elfordstown Earthstation | — | — |
| Kingsland Observatory | Runnaroddan | — |
| Knocknaboola observatory | Kerry | — |
 Leviatán de Parsonstown | Townparks | — |
| Mace Head Atmospheric Research Station | Halfmace | — |
 Observatorio Markree | Condado de Sligo | 44 m |
| Raheny Observatory | Dublín | — |
| Valentia Magnetic Observatory | — | — |