Tonic Health & Day Spa Castleknock

Tonic Health & Day Spa at Castleknock Hotel Dublin includes a Fitness & Leisure Centre and a Day Spa. The Fitness and Leisure Centre is only open to members and overnight guests of the hotel. The Day Spa is open to the public with discounted offers available to members and overnight guests. Click here for membership details.
You can purchase a day pass for €15.00 per adult and €10 per child - This will give you access to the gym, pool, sauna, jacuzzi & steam room. Speak to our Tonic team for further details. 
The Leisure Centre at Tonic Health & Day Spa includes a stunning 18 metre swimming pool with a 220 degree view of the golf course,lake and countryside beside the hotel. The centre also has a baby pool, toddler pool, sauna, steam room and Jacuzzi.
Please note that all users of the swimming pool at Tonic Health & Day Spa must wear a swimming hat. They can be purchased at reception for €3.


 Leisure Centre Opening Times

      Monday - Friday 06.15 - 21.30

      Saturday & Sunday 08.00 - 19.30

    Swimming Pool is open for children from 9.00am until 6.00pm

Children 12 and under must be accompanied by an adult in the pool at all times. Those aged between 12 and 16 must have an adult present at the poolside
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