STI screening is free of charge and confidential at any of the following locations. You can find out more about what you can expect in a GUM/STI clinic in the Your sexual health check up section of the website
| Clinic | Phone Number |
| Youth Health Service, Cork City | 021 422 0490/1 |
| Gay Men’s Health Project, Dublin 4 | 01 6699 553 |
| GUIDE Clinic, St. James Hospital, Dublin 8 | 01 4162 315 |
| Mater Hospital, Dublin 7 | 01 8032 063 |
| Regional Hospital, Waterford City | 051 842 646 |
| General Hospital, Clonmel, Co. Tipperary | 051 842 646 |
| District Hospital, Carlow | 051 842 646 |
| Victoria Hospital, Cork City | 021 4966 844 |
| Regional Hospital, Tralee, Co. Kerry | 021 4966 844 |
| Regional Hospital, Limerick City | 061 482 382 |
| General Hospital, Nenagh, Co. Tipperary | 061 482 382 |
| General Hospital, Ennis, Co. Clare | 061 482 382 |
| General Hospital, Castlebar, Co. Mayo | 094 9021 733 (extension 2456) |
| University Hospital, Galway City | 091 525 200 |
| Portiuncula Hospital, Ballinasloe, Co. Galway | 090 9648 372 (extension 676) |
| Regional Hospital, Sligo Town | 071 9170 473 |
| Altnagalvin Hospital, Derry City | 028 71 611 269 (048 from RoI) |
| Coleraine Hospital, Co. Derry | 028 703 460248 (048 from RoI) |
| Royal Victoria Hospital, Belfast City | 028 90 634 050 (048 from RoI) |
| Daisy Hill Hospital, Newry, Co. Down | 028 3083 5050 (048 from RoI) |