The Spa

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The Spa at Castleknock Hotel is a luxury urban retreat fuelled by the energy of the nature that surrounds it. Within our state-of-the-art spa facilities, quality of life and well-being come first, and an array of bespoke treatments await. Choose from a variety of traditional and modern spa experiences, all set apart by the highest standards of service and underpinned by the exceptional comfort of Castleknock Hotel.

Please explore our range of treatments and book online by CLICKING HERE.

 Now at The Spa – Dry Floatation Therapy

Experience the newest way to truly unwind. Our Dry Floatation Bed offers deep relaxation as you lie weightless and cocooned — suspended in warm water without ever getting wet. This 30-minute treatment is equivalent to 3 hours of deep sleep, helping to restore both mind and body.

• Launch Offer: €50 for a 30-minute session
• Book through Spa Reception only

Please note: This treatment is not suitable during pregnancy and is restricted to guests aged 18 and over.

 Opening Hours

• Monday 9.00am to 7.00pm
• Tuesday 9.00am to 7.00pm
• Wednesday 9.00am to 7.00pm
• Thursday 9.00am to 9.00pm
• Friday 9.00am to 8.00pm
• Saturday 9.00am to 8.00pm
• Sunday 9.00am to 7.00pm