Clontarf Castle Hotel offers 111 accommodations, which are accessible via exterior corridors and feature minibars and laptop-compatible safes. Each accommodation is individually decorated. 28-inch flat-screen televisions come with digital channels and pay movies. Bathrooms include showers, complimentary toiletries, and hair dryers.
Guests can surf the web using the complimentary wireless Internet access. Business-friendly amenities include desks and phones; local, long-distance, and international calls are all complimentary (restrictions may apply). Additionally, rooms include coffee/tea makers and irons/ironing boards. Housekeeping is offered daily and hypo-allergenic bedding can be requested.