New Office Phone Number and New Office Hours for Charles River Aquatics. Details under Contact Us.


New Year's Resolutions

New at CRA, a program for adults with New Years Resolutions--join us to set goals and get in a short work out. Whether your goal is to learn to swim, compete in a triathlon, or to start working out more effectively, this 3-hour program will motivate you and keep you working hard! Check out this hilarious video, and don't forget to stay for the blooper at the very end!


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Winter Holiday Activity Days (Dec 26, Dec 29, Dec 30, Jan 2)

Charles River Aquatics is offering single day programs for the winter holidays. Sign up for one, or as many as you want!

Special Private Lessons

CRA is offering special half-hour Private Lessons on December 26, 29 and 30, 2014 and January 2, 2015

For details and to register, please click here.

Session 3 (January 5 - February 15, 2015)

Registration is open and closes Midnight, December 31, 2014.

Special Adult Classes-Extended Program

CRA is offering an 11 week Triathlon/Fitness Class for swimmers wishing a more advanced endurance program on Tuesdays and Thursdays from 6:30-7:30 PM, starting January 6, 2015.

We are also offering extended 11 week classes for Adult Beginners and Intermediates on Thursdays from 6:30 to 7:30 PM starting January 8.

For details on both programs, please click here. Registration starts December 7, 2014.

Martin Luther King Jr. Day Clinic

Strength and Conditioning Clinics for Children and Adults have been scheduled for MLK Day, January 19, 2015.

For details and to register, please click one of the following links:

Account Log in

If you want to access your Thriva account, please log-in here. You cannot register from here!
For Swim Team, click here to log-in to your account.

Charles River Aquatics is a proud local partner of the Make A Splash program, a child-focused national water safety initiative by the USA Swimming Foundation. Click the logo for more information. Make a Splash splash Make a Splash

Support swim lessons for underprivileged children.

Charles River Aquatics is giving back to the Boston community by providing swim lessons to children who would otherwise not learn how to swim. To help fund this important, life-saving program, consider purchasing items from our store. Eight percent of your purchase goes directly to fund these important lessons!

Follow us on Facebook, Twitter and Yelp

Just click the links below to become more informed, involved,
and connected to Charles River Aquatics.

CRA Dragons


Note About e-mails: Charles River Aquatics confirms registrations, and provides information about new sessions and class closings by e-mail. CRA cannot be responsible for missed e-mails due to incorrect e-mail addresses, or blocked e-mails due to spam-filters.

DISCLAIMER: Although this website has links to websites of others that are presented herein solely for the information and convenience of visitors to this site, Charles River Aquatics has no control over or interest in and does not obtain any benefit from or endorse such other websites, and it is not responsible or otherwise liable, directly or indirectly, for any advertising or advertisers or other content, products, services, or other materials or information on or available from such other websites or for any loss or damage alleged to be caused or caused thereby or in connection with the use thereof or reliance thereon.


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