University College Dublin Subaqua Club
- Discover information on club activities, membership, lost and found page, instruction and contact details.
- http://ucdsac.org/

Adventure Diving
- Dive centre offering PADI courses, equipment sales and hire and diving trips. Located in Bettystown, County Meath.
- http://www.adventurediving.net

Valentia Dive Centre
- PADI training courses and boat dive trips. Includes information on dive sites and a guestbook. Based at Valentia Island, Kerry.
- http://www.divevalentia.ie/

Doolin Activity Lodge
- Caving, diving, walking and cycling centre.
- http://www.doolinlodge.com/

Divecology
- Offering PADI certification, diving and marine ecology courses, and holidays in Schull, County Cork.
- http://www.divecology.com

Flagship Scubadiving Ltd.
- Information on PADI instruction, dive site descriptions, staff biographies, hours of operation, contact details and an online diary of a Titanic Expedition member.
- http://www.flagshipscuba.com

Dive in Ireland
- Charter service with information on dive sites visited, photo gallery, booking form and description of boat.
- http://www.diveinireland.com

Wicklow Sub Aqua Club
- Lists information on club dives and training, membership, equipment, travel opportunities, code of conduct, tide tables and discussion forum.
- http://homepage.eircom.net/~wicklowsac/

Galway Sub Aqua Club
- Find information on history, membership, news, dive sites and training, dive logs, photos and contact details.
- http://www.galwaysubaquaclub.com

Burren S.A.C
- Burren Sub Aqua Club are based in Co. Clare and dive mainly on Clare coast. Dive every Sunday and Wednesday.
- http://homepage.eircom.net/~burrensac/

Pier House Dive Centre
- Located in County Wexford, south east Ireland. Facilities include equipment hire,air and accommodation. Wreck diving locally.
- http://homepage.eircom.net/~pierhousedivecentre/

Waterworld
- Located in Co. Kerry. Details of scuba diving packages and general information.
- http://www.waterworld.ie/

Skellig Aquatics PADI Dive School
- Offers a variety of diving and first aid courses and certifications. Based in Caherdaniel, Kerry.
- http://www.activity-ireland.com/padi/

Trident SAC, Dublin
- Scuba Diving in Dublin Bay. Details of membership.
- http://homepage.eircom.net/~tridentsac

Lavelles Dive Center
- Valentia Island, Ireland. A family run dive center run by Pat and Des Lavelle. Des, an experienced diver skipper, operates a deep hull hard boat in Valentia Island to over 20 dive sites both sheltered and exposed.
- http://indigo.ie/~lavelles/lavelles.html