Tonic Health Club is located within Castleknock Hotel and offers a state-of-the-art leisure experience for members and guests. Facilities include a fully equipped gym, fitness studio, 18-metre swimming pool, toddler pool, sauna, jacuzzi, steam room, and an invigorating ice bath.
What truly sets Tonic apart is our incredible team and the strong sense of community that defines the club. We offer a wide range of complimentary fitness classes that are especially popular with our local members — from Pilates and Aqua Aerobics to Step Classes. We’re also delighted to welcome Turtle Tots, helping little ones learn an essential life skill in a fun, supportive environment.
As a bonus, Tonic Health Club members enjoy a 10% discount on food and beverage throughout Castleknock Hotel. Explore Tonic Health Club like never before with our interactive virtual tour – all from the comfort of your home.
Explore Tonic Health Club
Class Timetable
Our Tonic gym membership includes a wide variety of complimentary classes in addition to unlimited use of gym, pool, sauna, steam room, jacuzzi and ice-bath.
FAQs
Have a question about visiting Tonic Health Club? From opening hours to class schedules and facility guidelines, you’ll find everything you need right here.
Memberships
Your journey to better living begins at Tonic Health Club. As a member, you’ll enjoy unlimited access to our state-of-the-art fitness and leisure facilities, personal training guidance, and exclusive savings throughout Castleknock Hotel.
Gift Vouchers
Give the gift of choice at Castleknock Hotel — from relaxing spa days and delicious dining to overnight stays. Our gift vouchers are perfect for any occasion.
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Where to find us
Castleknock Hotel, Porterstown Road, Castleknock, Dublin 15, D15 WNR7T:
Tel: +353 (0)1 640 6300
Email: reservations@castleknockhotel.ie