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

Schedule Change Wednesday 9/15 & September/October Dates

Dear Parents, Tomorrow is our first schedule change due to HS girls swim meets. Please refer to the list below for the schedule changes...

By Nicole Thompson

Parent Meeting Follow-up & Practice Information!

Dear Parents, Sorry, typo before. Blue practice is on Tu, Th, and Fr. Sorry for the confusion. Thank you for coming out to the...

By Nicole Thompson

Welcome to the 2021 Fall/Winter Season!

Dear Parents, Welcome to the 2021 Fall/Winter swim season. We are so excited to have you with us! Over the next couple of days...

By Nicole Thompson

No Practice Today (Thursday 7/15- All Levels)

Thursday, 7/15- Due to the chance of thunder/lightning and unpredictability of the weather this morning, we will be canceling morning swim practice for all...

By Nicole Thompson

Delayed start this morning 6/28 for gold/platinum

Monday, 6/28 - Gold/platinum practice will have a delayed start at 6:30 am due to rain.

By Nicole Thompson

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