New Year Training Package

Get started today with this exclusive offer: 4 Private Training sessions and 4 Semi-Private sessions for only $499!

Get Started

73% of people who set fitness goals as New Year's resolutions give up on them.

Join CSC today and get started with your customized fitness plan, including personal training, pilates equipment, InBody assessment and group fitness.

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Get to the Core of your Workout

Pilates strengthens your body and strengthens your workouts. Get that studio experience plus all the benefits of a health club in one location!

Pure Pilates

Real People, Real Results

Check out some of our members’ success stories at CSC. From weight loss to strength gain, injury rehabilitation to overall wellness, our members have achieved some truly amazing results at CSC!

Our Members

A 1 hour workout is only 4% of your day

Why bounce around from studio to studio? Enjoy unlimited classes at CSC including Spinning, Bodypump, Barre, Zumba, and Yoga.

Class Schedule

Anyone can make you sweat: what we do is different.

Swimming builds endurance, muscle strength and cardiovascular fitness in a low-impact environment. Our hot tub is the perfect place to unwind after a tough workout. 

Salt-water Pool

Pure Training - THE Trainers of Boston

It’s just like it sounds- personal training, pure and simple with the best trainers in Boston. Through focused, thoughtful movement, our clients achieve results that last.

Pure Training

What are YOU made of?

Schedule your InBody assessment today and learn about your body composition- body fat percentage, visceral fat, basal metabolic rate, and more!

InBody Assessment

Anyone can make you sweat: what we do is different.

Commonwealth Sports Club in Boston is more than a gym. We truly believe in getting results so we provide the ideal fitness programs that keep you inspired to achieve your goals.


Buddy Week at CSC is March 11 - 17

Bring a friend for a free workout! If they join before the end of the week, they’ll get the rest of the month free!

CSC Events