The Chicago Marine Aquarium Society (CMAS) is dedicated to providing the reefkeeping hobbyists with the richest community from which to share ideas and learnings and monthly meetings and twice yearly frag swaps to get you the goods.

MACI Conference Site is Live!

Join us on March 11th for the first ever Marine Aquarium Conference of Illinois! Click here for details.
Posted 11/19/2011

Jan 29th Shedd Special Coming Soon
Happy New Year! To kick of 2012, CMAS will first be a special access event to THE Shedd Aquarium for a CMAS only discounted entry fee.  You MUST register early so please click here for more details.
Posted 1/18/2012

Minutes and Presentation from Jan 14th Meeting Posted
We've updated the information for the Jan 14th Operations meeting with the official minutes and presentation from the meeting.  Please click here for more details.
Posted 1/18/2012

Plans for the remainder of our 2011-2012 schedule posted.
Over time we will add specific dates and event details but wanted to let you know as soon as we could what is planned for the rest of our schedule. Click here for details.
Posted 10/24/2011