Open 24/7/365*

Hydrogen Fitness Greenwich exterior view mockup

*for members. Access via key tag. Click here for staffed hours

Be one of the first people to enjoy this luxury facility with brand new equipment, 30,000 square feet of squeaky-clean gym, and here-to-serve-you staff.

about us

A new, luxury fitness center

Hydrogen Fitness is proud to offer the Greenwich populace an alternative to the big corporate gyms that populate the area. Let us introduce you to Greenwich and Port Chester’s brand-new premiere fitness facility.


Featured Amenities

  • Group classes
  • Strength/cardio equipment
  • Towel service
  • Hydro Bar
  • Personal training (extra)
  • Sauna
  • Golf simulator
  • 24-hour access
  • Accupuncture/Chiropracter
  • Valet parking
  • Steam room
  • Med Spa/Oxygen Asthetics
  • Fireplace lounge
  • Outdoor deck
  • Golf/soccer simulator (extra)
  • Massage (extra)
  • Car cleaning (extra)


yoga classes hydrogen fitness westchester


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hydrogen fitness boxing


From fitness enthusiasts to beginners, you’ll find a class you love. Leave sweating, come back for more!

70+ different classes every week!

Greenwich Class Schedule

Why workout at hydrogen fitness

Hydrogen Fitness is always very clean and well kept, and the weights are always racked.

Not crowded, a welcoming atmosphere, and our members respect and support each other

Brand-new Strength and Cardio equipment + some specialty equipment and machines

For all levels with wonderful, knowledgeable, and super personable instructors

Our incredible staff are welcoming, friendly, professional, and helpful.

True 24/7 access, saunas, and personal training if your still not convinced

Location info & Hours

OPEN 24/7/365

Staffed Hours
Mon-Thurs – 5:00 AM to 10:00 PM
Friday – 5:00 AM to 8:00 PM
Weekends – 7:00 AM to 7:00 PM

Contact us

Contact us with any questions you have about memberships, classes, equipment, and more.

Call      914-875-3120
Email   sales@hydrogenfitness.com
Visit     11 Riverdale Ave. Port Chester, NY 10573

Try Hydrogen Fitness Today!

Fill out the form below, and we’ll send you a free 3-day pass (classes included)

New members only. Offer valid for local residents only. By submitting this form, you consent to receive marketing text messages (e.g. promos, pass reminders) from Hydrogen Fitness at the number provided, including messages sent by autodialer. Consent is not a condition of purchase. Unsubscribe at any time by replying STOP. Msg & data rates may apply. Msg frequency varies. View Privacy Policy & Terms.