Castleknock Hotel provides several bar and dining facilities to suit everyone. The Hotel can cater for between 5 and 600 people with its extensive range of conference and banqueting suites, along with a fully equipped Business Centre, making it an popular choice for both conferences & weddings.

Parking is widely available and the hotel's leisure, health and beauty centre, Club Tonic, and Bod-i Beauty Salon provide all you need to keep fit or just sit back and relax. An 18 hole parkland golf course virtually surrounds the hotel.