Greenwater Aquarist Society


Welcome!  Greenwater Aquarist Society is an all species, general-interest Aquarium Society in the Greater Chicagoland Area that has been around since 1957!  Come to one of our events or join us as a guest at one of our monthly meetings.   Meet and socialize with others interested in the aquarium hobby and get access to fish and plants raised by hobbyists. 

Sign up for our Email List - Receive information about our Auctions, Swaps, and Meetings.

Please Sign-up again if you did not receive e-mails sent Thursday 6/3/2021 and Friday 6/11/2021.

Have Questions? Contact Us - One of our volunteers will get back to you as soon as possible.

Last Vendor Table available! (as of 6/22 9am CT)

Greenwater Aquarist Society Swap:
Sunday July 11, 2021 10am - 1:00pm CDT
Bird Haven Greenhouse Hall, 225 Gougar Rd, Joliet IL 60432
Open to the Public.  Parking is Free.
Buyers will be allowed in at 10:00 am.  Free -- No Entry fee!

Greenwater Aquarist Society's Swap Meet
Buy hard to find fish, plants, and dry goods directly from local breeders and vendors in a farmer's market atmosphere at the best prices. 
The swap will run from 10:00 am to 1:00 pm.
Doors will open at 8:00 am for vendor set up. 
Buyers will be allowed in at 10:00 am.  Free -- No Entry fee!

Hope to see you at the swap!

Questions? Contact us using this link
If you or someone you know is interested in speaking at a Greenwater meeting please contact Our Program Coordinator using this link

Membership applications will be available at this swap.  

You may also download, fill out, print and bring with to event.

Click here for GWAS Membership Application as a fillable PDF.

Please check back for the latest updates regarding our next scheduled meeting.

Thank you,

Greenwater Aquarist Society

We've always got somethin' goin' on.


Dates are subject to change as a result of the COVID-19 Pandemic


July 11, 2021 - Swap Meet 10am

July 11, 2021 - Meeting 1pm

August 8, 2021 - Meeting

September 12, 2021 - Meeting / BBQ

October 17, 2021 - Meeting and Swap Combo

November 21, 2021 - Meeting and Swap Combo

December 12, 2021 - Meeting

January 2, 2022 - Member's Christmas in January 11am-6pm

February 13, 2022 - Meeting

March 13, 2022 - Meeting