Basic Family Memberships include two named adults and dependent children or grandchildren 18 and under.

Grandparent Memberships include two named adults and grandchildren 18 and under.

Single Adult Memberships include one named adult and dependent children or grandchildren 18 and under.

Please note that Family Access Memberships are available to families who participate in Ohio Directions, WIC, or Ohio Medicaid. Proof of participation is required. Please submit by email a copy of eligibility documentation to This email address is being protected from spambots. You need JavaScript enabled to view it. after purchase.

Family Access Memberships include two named adults and dependent children or grandchildren 18 and under.
Available with photo ID and proof of participation in WIC, Ohio Directions or Ohio Medicaid.

Please note that Teacher Memberships are open to certified public/private PreK-12th grade school teachers, teachers at licensed/registered child care and preschool facilities, college/university faculty, and home educators only.
You will be asked to submit verification of your eligibility each year prior to receiving cards. Acceptable forms of verification include: Faculty ID, OEA card, Teaching license/certificate, or letter from your school district indicating intent to home school. When purchasing online, one of the above forms needs to be emailed or faxed (614.629.3150) to COSI.

Teacher Memberships include two named adults and dependent children or grandchildren 18 and under.
Open to certified public/private PreK-12th grade school teachers, teachers at licensed/registered child care and preschool facilities, college/university faculty, and home educators.
Please note that you will be asked to submit verification of your eligibility each year prior to receiving cards. Acceptable forms of verification include: Faculty ID, OEA card, Teaching license/certificate, or letter from your school district indicating intent to home school. When purchasing online, one of the above forms needs to be emailed or faxed (614.629.3150) to COSI.

Individual + Guest Memberships include one named individual (13+) and one guest with every visit.

Add-On Guest
Bring a different guest (friend, family member, babysitter) every time you visit.

COSI Gift Memberships

COSI memberships make a great gift and are available year-round.

To purchase a gift membership, simply select the membership level below and check the "This is a gift membership" box during checkout. You may select additional preferences for your gift at that time.