The Boulder Y is under construction: Find updates here.

The Y is on Longmont’s 2023 ballot: Learn about 3E here.



Pool Hours Changing Through June
Longmont and Boulder Y pool hours will be modified May 30-June 30. Please check the app or hours page for open swim and lap swim times. We sincerely apologize for the inconvenience. Please visit the front desk with any questions.

Facility Hours

At the Longmont YMCA pool and aquatics center, we offer a variety of aquatics programs and opportunities for water exercise to Longmont residents and Y members. This large indoor pool offers lanes for lap swimming, water fitness classes and both child and adult swim lessons. There is also a baby pool for the little ones. Interested in bringing your fitness routine into the water? The Longmont Y pool is home to a variety of classes, including SilverSneakers Splash, High Tide, Senior Water Walking, Aqua Rocks and much more. Also check out our YMCA Swim Lessons page to discover how the Y can teach you, your child or your teen to be safer and more confident in the water. Oh, and don’t forget to visit the sauna after your class or workout. 


Aquatics: Longmont Y

303-443-4474 ext. 5502
Email Longmont Aquatics