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.
Choose the pass that suits you 💪🏻
Adult Day Pass – €25
Child Day Pass – €5
Family Day Pass – €50 (2 Adults & 2 Kids)
3 Day Pass Bundle – €60
10 Day Pass Bundle – €150
Purchase your Day Pass at Tonic Health Club reception and enjoy access to our pool and gym facilities 🏊♂️
🏊♀️ Children’s Group Swimming Lessons 🏊♂️
Looking for swimming lessons for your little ones? Our Children’s Group Swimming Lessons at Tonic Health Club are a great way to build confidence, develop swimming skills and have fun in the water! 💦
Limited availability, so don’t miss out!
📧 Email [email protected] for more information and to enquire about availability.
Pushing your limits during your workout? Give your body the recovery it deserves with our Dry Floatation Experience.
Lie back, feel weightless and completely cocooned as you’re gently suspended over warm water, without ever getting wet. This 30-minute treatment is designed to help you switch off, relax tired muscles and support your body’s recovery after exercise.
Whether you’ve finished a tough training session, a long run or simply need some time to recharge, it’s the perfect way to relax, recover and reset. ✨
💆♂️ Give your body some well-earned recovery time https://bit.ly/4gOAbAv
21/08/2026
🏊♀️ Make a Splash at Tonic Health Club! 💪
Looking for a great way to stay active, unwind and enjoy some time in the pool? Our Day Passes at Tonic Health Club give you access to our pool and gym facilities.
Choose the pass that suits you:
💪 Adult Day Pass – €25
🏊 Child Day Pass – €5
👨👩👧👦 Family Day Pass – €50 (2 Adults & 2 Kids)
🔥 3 Day Pass Bundle – €60
✨ 10 Day Pass Bundle – €150
Whether you're looking for a family swim, a gym session or simply some time to enjoy the pool, there's an option for everyone.
Our Tonic entrance is having a little makeover 👀
So, for now, this is the way in 👆🏻
One chapter ends, another begins… 👀
Last chance to Sip, Savour & Stay ✨
Make the most of the final weeks of summer with a getaway that includes delicious dining, time to unwind and full access to Tonic Health Club 🏊♂️
Our Sip, Savour & Stay package is available until the end of August - so there’s still time to enjoy a little escape and make the most of your stay.
🔗 Discover the package via the link https://www.castleknockhotel.com/bookings/ #!/accommodation/packages?category=358&sort=2&code=SSS1
Balance your stay with movement in our Tonic Health Club Studio - your space to stretch, sweat, and reset. As our guest, you’ll also enjoy access to the pool, whirlpool bath, sauna, and more 🤸♀️
07/08/2026
A moment to slow down, switch off and simply unwind ✨
Our FRÉAMH Hot Stone Ritual (August Spa Special) combines the comforting warmth of heated stones with flowing massage techniques to melt away tension and leave you feeling completely relaxed.
A little time for yourself can go a long way 🤍 Book your relaxing spa experience via the link https://castleknockhotel.onejourney.travel/spa/days/18808
Click here to claim your Sponsored Listing.
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Website
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 |