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Membership & Donor Society

Be adventurous. Be curious.
Become a COSI Member today!

Your Support Counts!

As a non-profit organization,
COSI relies on the support
of memberships and donations.

Membership & Donor Society

Membership

COSI Members receive free year-long admission to COSI.
Join or renew today for a whole year of hands-on learning and family fun.


Premium Family  $160
Family  $115
Grandparent Family  $115
Single Adult Family  $95
Teacher Family  $95
Individual + Guest  $80

View member benefits and details.


Donor Societies


Join the Donor Society for even more benefits and to support COSI’s mission!

Supporting Family  $275
Patron Society  $500
Scholars Society  $1,000
Explorers Society  $2,500

View Donor Society benefits and details.
Purchase Membership

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