Grind House Flatiron gym interior
Rise, Grind, Repeat

Manhattan's New High-Performance Fitness & Recovery Facility

A high-performance fitness and recovery facility with the energy of a neighborhood gym and the attitude of a champion. Transforming lives—one no-nonsense workout at a time.

Ice Baths & Cold Plunge
Sauna & Steam Room
Unlimited Classes Included

Fitness + Recovery Under One Roof

From world-class training to premium recovery amenities that most gyms don't offer—all included with your membership.

Recovery Suite

Ice baths, cold plunge pools, dedicated sauna facilities, and steam room—all included with membership. Recovery amenities that most gyms charge extra for.

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Unlimited Group Classes

Cycling, Boxing, HIIT, Yoga, Kettlebell, Pilates & Barre Fusion, Cardio Dance, and Turf & Tread—unlimited access with membership.

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State-of-the-Art Equipment

Top-tier cardio, weights, and machines. Cable machines, pin loaded machines, assault runners, rowers, Concept2 bikes, and kettlebells.

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Personal Training

Complimentary training assessment included. Our expert trainers help you reach your goals with personalized programming.

Meet Our Trainers

Ready to Experience Premium Recovery?

Try our saunas, cold plunges, and world-class gym with a free 3 day trial.

Boxing, Pilates, Cycling, HIIT & Strength Classes in Flatiron

Book a three-day trial and train across boxing, reformer pilates, cycling, HIIT, and strength classes at our Flatiron studio.

Boxing

Throw real combinations on the bag and pads. Build power, footwork, and conditioning in every round.

Reformer Pilates

Low-impact, high-control work on the reformer. Sculpt deep core strength and lengthen every muscle group.

Cycling

Full-throttle rides on Concept2 bikes. Torch calories and build engine-deep cardio to a driving beat.

HIIT

Maximum effort, minimum wasted time. Interval circuits that spike your heart rate and keep it climbing.

Strength

Barbells, kettlebells, and serious loading. Get coached through the lifts that actually move the needle.

Three Days. Every Class. Zero Excuses.

Book a free 3 day trial and train across all five class formats at our Flatiron studio.

Our Members Are Easy to Spot.

We shatter the 'fantasy fitness' illusion by offering what the industry won't—authentic physical transformation through intense effort.

01

Ice Baths & Cold Plunge

Separate men's and women's cold plunge pools—a rare amenity most gyms don't offer, included with membership.

02

Sauna & Steam Room

Dedicated sauna facilities and steam room for optimal recovery. Amenities often offered at a premium elsewhere, standard here.

03

No Fads. No Gimmicks.

Just honest, hard work. We focus on results-driven training, not spa amenities and Instagram backdrops. Effort is everything.

04

Flatiron Location

Conveniently located at 47 West 17th Street—right in the heart of Manhattan's Flatiron district.

Experience Saunas, Cold Plunges and Full Recovery

Manhattan's only gym with premium recovery amenities included in membership. Try it free for 3 days.

What Our Members Say

"The recovery suite alone is worth it. Ice baths after heavy lifting have been a game changer for my training. Staff is friendly, always impeccably clean."

M
Michael R.
Chelsea

"INCREDIBLE for the price. Great classes, huge gym, clean showers. The cold plunge and sauna combo is perfect for post-workout recovery."

S
Sarah L.
Flatiron

"Finally a gym in Manhattan that gets it. No-nonsense atmosphere, great equipment, and the recovery amenities are unmatched. Worth every penny."

J
James K.
Union Square

"The boxing and cycling classes are incredible. The instructors bring amazing energy. Plus having the sauna and ice bath after is *chef's kiss*."

A
Amanda P.
Gramercy

Join Thousands of Happy Members

See why Manhattan fitness enthusiasts choose Grind House. Book your free 3 day trial today.

Flatiron District, Manhattan

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Hours
Monday - Friday 5:00 AM - 10:00 PM
Saturday - Sunday 7:00 AM - 7:00 PM

Schedule Your Trial Today

Ready to experience Manhattan's newest high-performance fitness and recovery facility? Fill out the form below and we'll reach out to schedule your free 3 day trial.

We'll reach out within 24 hours to schedule your free 3 day trial.

Call (212) 994-9453
Book 3 Day Trial