Tonic Health Club
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The new spa at Castleknock Hotel is scheduled to open in December 2017 as a brand new purpose built spa
Tonic Health Club at Castleknock Hotel will reopen on 18th December 2017 as our new fitness and leisure centre with refurbished changing rooms and new aerobics studio on the ground floor. The Spa at Castleknock Hotel is also adjacent to the health club.
Too hot to handle? We’ve got the perfect remedy! 😎🌊
Get summer-ready with our limited-time 3-month membership ☀️💪
Build strength, boost fitness, and feel your best this season.
✨ €325 + €25 joining fee
⌛ Offer available for a limited time only
Join today:
📧 [email protected]
📍 Visit reception to sign up
Long summer days are made for al fresco dining. ☀️
Pull up a seat on the terrace and, as a Tonic Health Club member, enjoy 10% off all food and beverages every time you visit.
Two new reasons to treat yourself this summer 💚
Suzanne and Fauziya are talking you through our July & August Spa Specials, from the refreshing Summer Breeze Package (€115 per person) to the deeply relaxing FRÉAMH Hot Stone Ritual (€95 per person) 🤩
Which one are you choosing? ✨ Book your summer spa escape by calling our Spa team on +353 (0)1 640 6366 or emailing [email protected]
29/06/2026
Did you know? We have children’s swim toys available at the Tonic reception desk 🤿
26/06/2026
Your friendly reminder that it is summer and summer is our favourite ❤️- especially when spent beside the pool ✨
22/06/2026
Coffee smells like freshly ground heaven ☕️ get your coffee at The Lobby with your 10% membership discount! 🌞
21/06/2026
Cheers to the dads, grandads, stepdads, and father figures who make every moment special 💙
From all of us at Castleknock Hotel, we wish every dad a wonderful and well-deserved Happy Father’s Day 🤗
17/06/2026
Get summer-ready with our limited-time 3-month membership ☀️💪
Build strength, boost fitness, and feel your best this season.
✨ €325 + €25 joining fee
⌛ Offer available for a limited time only
Join today:
📧 [email protected]
📍 Visit reception to sign up
15/06/2026
A little time for yourself goes a long way 💙
Whether it's a few lengths in the pool, a moment to unwind in the sauna, or simply taking some time out of your day, Tonic Health Club is the perfect place to switch off and recharge.
Click here to claim your Sponsored Listing.
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Address
Porterstown Road
Dublin
DUBLIN15
Opening Hours
| Monday | 6am - 10pm |
| Tuesday | 6am - 10pm |
| Wednesday | 6am - 10pm |
| Thursday | 6am - 10pm |
| Friday | 6am - 10pm |
| Saturday | 8am - 8pm |
| Sunday | 8am - 8pm |
