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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.


Ultimate Family  $329
Premium Family  $209
Family  $149
Grandparent Family  $149
Single Adult Family  $119
Teacher Family  $119
Individual + Guest  $109

View member benefits and details.


Donor Societies

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


Patron Society  $500
Scholars Society  $1,000
Explorers Society  $2,500

View Donor Society benefits and details.
Purchase Membership

COSI Gift Membership

Gift Membership

There's no better way to give your loved ones quality time together, access to unique learning opportunities, exclusive benefits, and valuable savings they won't find anywhere else.


All COSI Membership levels include:

  • Free year-long admission to COSI
  • Free reciprocal admission to 350+ science centers worldwide
  • Discounts on parking, movies, the Planetarium, special exhibits, and more
  • Member-only previews and events

 

Activate your Gift Membership online.

Purchase Gift Membership

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