
Gym and coaching
Gym in Saint Martin: classes, coaching and open gym
In Grand-Case, Momentum brings together coached group classes, an open gym area and private coaching sessions. Everything is ready when you arrive, from the changing room to the sauna.
Three ways to train
Choose your training format
Whether you love group energy, training on your own or one-on-one coaching, the gym adapts to the way you train.
- Group
Group classes
Punch, Power and Flow, led by a certified coach, in 45 to 55 minutes. The most complete format to progress consistently.
- Independent
Open gym
1 credit 1 hour
Free access to the open gym area to follow your own program. The credit price depends on your pack or membership.
- One-on-one
Private coaching
2 credits 1 session
A one-on-one session with a Momentum coach, 100% personalized, with full use of the studio facilities.
The classes
What happens during a session
Every class has its own energy. Find the full description and schedule on Classes and the schedule.
- 50% boxing, 50% strength
Punch
Cardio boxing on aqua bags and a strength circuit. Gloves are provided, hand wraps are required and available at reception.
- Functional circuit
Power
HIIT and functional strength, loads adapted to everyone. You sweat, you progress.
- Recovery
Flow
Inspired by Yin Yoga: mobility, breathing and deep stretching to come back stronger.
Pricing
Clear prices, no sign-up fees
No sign-up or cancellation fees: the price you see is the price you pay. Here are the main options, all detailed on the page Pricing.
- New clients
Discovery session
15 €
1 class of your choice and full access to the studio to try the experience.
- New clients
Discovery week
49 €
An unlimited week, 6 days of access, to try everything.
- Pay as you go
10-credit pack
279 €
10 sessions of your choice, valid 6 months, no commitment.
- Membership
1x per week
29 € / week
1 credit per week, 1 hr of open gym, 1 guest per month, no commitment.
- Membership
3x per week
75 € / week
3 credits per week, 1 hr of open gym, 1 guest per month, no commitment.
- Membership
Unlimited
85 € / week
Unlimited group classes, 1 free drink per month and shop discounts.
Memberships with no commitment and a 4-week notice, vacation mode up to 5 weeks per year.

Included
A gym where everything is ready
- Private showers with shower and beauty products
- Training towel and shower towel
- Secure lockers with padlock
- Hair dryer and changing room essentials
- Boxing gloves for every Punch session
- Sauna, cold plunge and red light therapy
FAQ
Gym and coaching in SXM
Do you offer personal coaching?
Yes. The private class is a one-on-one session with a Momentum coach, fully tailored to your goals. It costs 2 credits.
Can I train on my own?
Yes, with the open gym: a one-hour session with free access for 1 credit. Memberships also include 1 hr of open gym per week.
Is there a commitment?
No. Memberships have no commitment, with a simple 4-week notice, and credit packs are paid once.
Book
Start with a discovery session
€15 for one class of your choice and full access to the studio. Book your slot online.
