01
The Gym
Fully equipped, generously proportioned, bathed in natural light through the full-height glass windows.
A social wellness club at MontgomeryOpening September 2026. Private previews available from August.
Our philosophy
The bonsai teaches us that greatness can reside within the smallest of things.
Philosophically, the bonsai embodies the harmonious relationship between humanity and nature. It is not a matter of dominating the tree, but of co-creating with it, the human guides, nature decides.
It is an art of discipline and observation, one that demands consistency, precision, and humility. Nothing is immediate, the effects of every decision may reveal themselves only years later.
It is in this spirit that Bonsai was born. We see our members as seeds, and our club as the pot in which they grow.
The club · 500 m²
Five spaces, one rhythm.
Light, materials, colours, scents and sound, thoughtfully composed to accompany your effort and turn each session into a moment of reconnection.
02
Group Classes
Yoga, Pilates, HIIT and more, held in a dedicated spacious room, with large smoked-glass mirrors, under diffused daylight.
03
The Lounge
Marble tabletops, walnut chairs, a slow tea or coffee. The third place we come back to.
04
Wellness Suite
Finnish sauna, cold plunge, sun shower. A full recovery ritual, all in one considered arc.
05
Changing Rooms
Separate for men and women. Marble sinks, brass fixtures, warm walnut.
Membership
One rhythm. Five ways to begin.
From a single day to a full year. All memberships include full access to the club, including the gym, the group classes and the wellness suite.
Founding Member
12 Months
€189/ month*
€242/month on the Signature Plan
Limited to the first 100 members.
- Unlimited access to gym, group classes & wellness
- 24h advance class booking
The Signature Plan
12 Months
€242/ month*
A full cycle, the club at its best value.
- Unlimited access to gym, group classes & wellness
- 24h advance class booking
6 Months
€262/ month*
Half a year to let a rhythm take root.
- Unlimited access to gym, group classes & wellness
- 24h advance class booking
1 Month
€282/ month*
For the first steps, no long commitment.
- Unlimited access to gym, group classes & wellness
- 24h advance class booking
Elite · 12 Months
€282/ month*
For members who plan their week ahead of everyone else.
- Unlimited access to gym, group classes & wellness
- 72h advance class booking
- 1 guest pass per month
What's included
One membership. The full club.
- Fully equipped gymPremium strength and cardio equipment, generous spacing, natural light.
- Group classesYoga, Pilates, HIIT and more. 24h advance booking (72h advance booking for Elite members).
- Wellness suiteFinnish sauna, cold plunge and sun shower, a complete recovery arc.
- Personalised CoachingCoaching is a core part of the Bonsai experience. You can work one-on-one with an experienced coach who tailors everything to you, or train alongside a partner in a duo session.
- Running ClubOrganised runs through the Parc de Woluwe, guided by our coaches.
- LoungeMarble tabletops, walnut chairs, coffee, tea and quiet conversation.
- Changing roomsSeparate for men and women, with Verde Antigua marble, brass and walnut.
- Fresh filtered waterFresh filtered Aqualex water is available throughout the club.
A third place
Bonsai is not merely a fitness club. It is a living space, where we cultivate consistency over haste, balance over excess, and lasting progress at your own pace.
