Show your support for conservation and enjoy great member benefits—including free and discounted admission to more than 180 other zoos and aquariums nationwide!*
We would love for you to join our wonderful group of Cosley Zoo members!
To become a member, call 630.665.5534, download a brochure, or sign up online.
Levels of Membership
All levels of membership receive free admission to Cosley Zoo.
Annual membership fees support the development of new exhibits and provide an environment for unique recreational and educational experiences for children and their families.
You may also call the zoo at 630.665.5534 or download a brochure to sign up.
*Please view our reciprocal list (PDF) to see a list of participating zoos and aquariums. Some facilities are not currently honoring reciprocal membership discounts due to the COVID-19 pandemic. Please call the facility you would like to visit in advance to inquire about reciprocal discounts.