The Cambridge Athletic Club has been a fitness leader in Cambridge since 1980! The CAC’s flagship club is located at 215 First St. in the Athenaeum Building. This 25,000 sq. ft. facility recently completed a $1.5 million dollar renovation and offers brand new equiptment, cardio machines equipped with personal TV’s and Apple device hook-ups and Virtual Active features, a spacious free weight room, group fitness studio, a yoga/pilates studio, women’s-only fitness area, on-site CrossFit box, full-sized basketball court and squash courts.



See 215 First St. Photo Gallery HERE

Memberships at First St include:

  • FREE Parking
  • Towel service, steam rooms, saunas, lockeroom use
  • Unlimited group fitness classes. See class schedule HERE
  • Use of the state of-the-art cardio center and weight training floor
  • Women’s-only fitness studio
  • Use of basketball court & discounts on league play
  • Complimentary personal training session & discounts on packages for new members
  • Free physical therapy injury screening
  • Squash courts

C.A.C. also offers discounted membership plans for:

  • Corporate
  • Couples/Friends & Family
  • Students
  • Seniors
  • *CAC Passport membership option includes use of all 3 clubs in the CAC network*

Club Hours
Mon-Thurs: 5:30am – 11pm
Fri: 5:30am – 9pm
Sat & Sun: 8am – 7pm

To Inquire About Membership:

Please contact our membership team at 617-491-8989 or email

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