About Us

The McHenry Marlins Aquatic Club (MMAC) is a USA Sanctioned swim team under the Illinois Swimming Sanction. Our team consists of two separate seasons. Our Winter season runs September-March. The Winter team competes in Illinois Swimming (ISI) meets along with our recreational Northern Illinois Winter Swim Conference. The Summer season runs May-July. The Summer team competes in Illinois Swimming Long Course meets along with our recreational Northern Illinois Summer Swim Conference. Coaches are USA Swimming Certified, and Winter/Year-Round swimmers must have a current USA swimming membership. MMAC has produced local, state, zone, and nationally recognized swimmers. Our swimmers have gone on to swim competitively in Division III to Division I schools.

Club Mission

To provide an avenue for children to safely advance in the world of recreational and competitive swimming in a safe and supportive environment directed by USA certified coaching staff.

Club Philosophy

The McHenry Marlins Aquatic Club (MMAC) facilitates a competitive swim team for youth ages 6-21. Our focus is one individual swimmer advancement through program training, technique development, and personal goal setting. Our coaches work to encourage each child to achieve a personal best through dedication and hard work.


Latest News

Thank you card for Coach Grant

Dear MMAC Families, I believe that transparency is an important part of any team dynamic. I wanted to make you aware of a coaching...

By Nicole Thompson

Last Week of Practice & End of Season Gift

Dear Parents, Thank you to everyone for a great fall/winter season! It was wonderful to have kids in the pool again and to see...

By Nicole Thompson

Final Reminder Early Bird Discount Ends Today, 4/16 at 8 pm!

Dear Parents, A final reminder that registration paperwork is due today for the early bird discount. You must e-mail me completed forms with payment...

By Nicole Thompson

Reminder Early Bird Discount Ends Friday, 4/16

Dear Parents, I wanted to send a reminder the early bird discount of 10% off the summer team fee ends on this Friday. No...

By Nicole Thompson

Final Reminder SWAT entries due today!

Dear Parents, Just a final reminder that SWAT long course meet entries are due today! If you want your child to swim this long...

By Nicole Thompson

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