Discover the Best Spas in Ireland By Package Type View All Spas Half DayFull DayOvernightAfternoon TeaGroupsCouplesMidweekLunchBridalFitnessMensHensMother’s DayCity BreakPregnancyJust For GirlsCancer CareAll By Spa Type View All Spas Hotel Spas Day Spas Resorts Spas Beauty Salons Destination Spas Medi Spas By Location View All Spas AntrimArmaghCarlowCavanClareCorkDerryDonegalDownDublinFermanaghGalwayKerryKildareKilkennyLaoisLeitrimLimerickLongfordLouthMayoMeathMonaghanOffalyRoscommonSligoTipperaryTyroneWaterfordWestmeathWexfordWicklow All By Facility View All Spas Aromatherapy RoomCold Plunge PoolCouples Treatment Room(s)Experience ShowersFoot Bath(s)Gymnasium & ClassesHammamHeated LoungesHydrotherapy PoolIce Room / Ice FountainIndoor Hot TubIndoor PoolMud Bath(s)Outdoor Hot TubOutdoor PoolRasulRelaxation RoomSaunaSeaweed Bath(s)Steam RoomThermal Suite All Spas Accepting Spas.ie Vouchers Spas with Special Offers Featured Spa The Spa at Castleknock Hotel Co. Dublin Customer Rating: Hotel Spa Spa Deals Vouchers Accepted The Spa at Castleknock Hotel is the hotel’s purpose built hotel spa. Working with luxury brands ... Spa Packages From €129