Frequently Asked Questions
Do I need to make a reservation
Yes we advise to make all bookings in advance to avoid disappointment, especially for larger groups and weekend bookings.
Who can use the spa facilities
Any guests that has booked in treatments or is staying in the hotel can avail of the Tonic Health Club facilities
What are your operating hours
The spa is open daily from 9:00 AM to 8:00 PM. Hours may vary on holidays.
How early should I arrive before my appointment
We ask that you arrive at least 15-minute prior to your appointment to fill out consultation forms and to change. If you wish to use the Tonic Health Club facilities beforehand you can arrive an hour or two prior to your treatments
What should I wear
You are welcome to wear your swimming attire or your underwear under your robes and slippers for your treatments.
What is your cancellation policy
We have a 24-hour cancellation policy, if treatments are cancelled within this time or there is a no show on the day a full treatment charge will be taken.
Are gratuities included in the price
No gratuities are no included in the price but can be left separately via cash or card at the reception
Are spa treatments suitable during pregnancy
Spa treatments would only be suitable for pregnancy if they are over the first 12 weeks / the first trimester. We do not recommend having treatments before this time.
Do you offer gift vouchers
Yes, we would offer gift vouchers here and are available to purchase either in person at the Spa or via the Castleknock Hotel website
Can I use the pool, sauna, or steam room without booking a treatment
You can use the Tonic Health Club facilities without having a treatment with us at the Spa, you would just need to purchase a Day Pass over at the Tonic Health Club desk.
What if I have medical conditions or allergies
If you have medical conditions or allergies, please advise the receptionist upon booking as some conditions may be a contra-indication to treatments and may not be suitable to have done
Is there an age requirement
Yes, we would have a strict over 18s policy implemented here at the Spa.
Where to find us
Castleknock Hotel, Porterstown Road, Castleknock, Dublin 15, D15 WNR7:
Tel: +353 (0)1 640 6300
Email: reservations@castleknockhotel.ie