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Tiny’s Diner will be temporarily closed Wednesday, September 19 for exhibit maintenance. The exhibit is scheduled to re-open on Thursda,y September 20.

Museum Membership

A membership at Port Discovery Children’s Museum offers a full year of imaginative and purposeful play for your entire family! 

Port Discovery Children's Museum is a nonprofit organization that educates children and inspires life-long curiosity. Your membership helps support our mission to help children to discover and explore the world around them and to lead smarter, healthier, more engaged lives. We thank you for your support. 


Become a Port Discovery Member Today! 

Learn More!

All members receive:

  • Free unlimited admission.
  • Express entry.
  • Free member-only events and discounts on special programs.
  • Sneak peeks at special featured exhibits.
  • Discounts on birthday parties (10% discount off the base cost of any party package).
  • Reduced prices on merchandise in our gift shop.
  • Discounts at area restaurants and special offers from local businesses and attractions.

Join Or Renew Membership Online 

Choose from several family membership options!

Contributing Memberships - $200

Show how much your family loves Port Discovery by becoming a Contributing Family Member! Receive fantastic Member benefits plus help support Port Discovery's educational programs and exhibits. Contributing Family membership includes:

  • All member benefits for an entire year for 6 people (up to 3 adult cardholders) plus
  • Discounts on guest admission
  • Family name on decal on Tot Trails Donor wall
  • A tax deduction of $46
  • 10% discount on gift memberships
  • 50% off general admission for up to six guests at Association of Children’s Museum’s 200 member museums

join or renew
membership online

Family Plus Membership - $154

Visit two or more times per year as family? Purchase a Family Plus membership and save! Family Plus Members receive:

  • All member benefits for an entire year for 6 people (up to 3 adult cardholders) plus
  • Discounts on guest admission
  • 50% off general admission for up to six guests at Association of Children’s Museum’s 200 member museums

join or renew
membership online


Family Membership - $124

Visit two or more times per year as family? Purchase a Family membership and save! Family  Members receive:

  • All member benefits for an entire year for 4 people (Up to 2 adult cardholders).

Gift Membership

It's the gift that won't get broken or forgotten—AND it's so EASY! Visit our Family Membership page to see details and indicate Gift Membership when you order.

Corporate Membership

Did you know Port Discovery offers corporate memberships? Give your clients, employees, and partners the chance to visit our museum with their families! Visit our Corporate Membership page for more details. 

Contact Us

By Phone, Contact the Membership Department at 410.864.2665.

By Email:

By Mail, download our 
Membership Form
Send form and your check or money order to:  
Port Discovery Children’s Museum  
Attn: Membership  
35 Market Place Baltimore, MD 21202  
All checks should be made payable to Port Discovery Children's Museum. 


About Memberships

Port Discovery’s Membership is an option for families who would like to take advantage of the most economical way to visit Port Discovery all year long. Members have the option of choosing a plan that gives unlimited admission for up to six people. Each additional person added to the plan is $25. Memberships cannot exceed three cardholders.

How do I become a member?

Click here to enroll online or sign up at the Port Discovery Box Office during your next visit. (Please note that memberships cannot be purchased in the Members Express line.) You can also become a member by calling 410.864.2665.

How often can I visit as a Member?

Membership to Port Discovery allows you and your family unlimited visits to the museum for an entire year during our normal operating hours.

When does my Membership arrive?

Port Discovery has gone green! Your card will be sent via email to the email address listed on the membership within 3 business days. Should you wish to visit the museum before receiving your card via email, bring your photo ID and the Box Office will welcome you for a great visit!

Does my Membership start immediately or by calendar year?

Membership starts on the date of purchase and will expire the following year at the end of the month of purchase. Example: A Membership purchased on 7/16/15 will begin on the date of purchase and expire 7/31/16.

What is an authorized cardholder?

Cardholders are adults, 18 or older, who are authorized by the person purchasing the membership to use the membership. Children cannot use memberships in absence of cardholders.

May I loan my membership card to my mother, sister, nanny, etc.?

Our members can send their children to the Museum with a temporary authorized person (e.g. nanny, grandparent) with a signed note to use their membership at no additional charge. For safety reasons, your guests may not be admitted without a signed, dated note with contact information.

What is an ACM reciprocal membership?

A reciprocal membership with the Association of Children’s Museums (available with the Family Plus/Contributing Family levels) allows you to visit 200 other participating children’s museums around the country for 50% off general admission for 6 people. For a list of ACM museums, please click here. Each museum has a unique admission policy. Please contact the museum you will be visiting to find out more information.

  • Port Discovery welcomes ACM members every day the Museum is open to the public.
  • Visiting members must provide proof of a current reciprocal membership to gain entry.
  • One adult named on the card must be present at the time of entry. Up to five additional guests may accompany the adult cardholder into the Museum.

How much does it cost to upgrade an existing Membership, and does my expiration date change?

The cost of an upgrade is:

  • $30 when upgrading from a Family to Family Plus (6 Person)
  • $56 when upgrading from the Family Plus to a Contributing Family
  • $86 when upgrading from the Family to a Contributing Family

Your membership expiration date remains the same upon upgrading to another membership level.

Upgrades cannot be applied to memberships purchased through Living Social due to ACM restrictions.

If I am not a member, can I apply the cost of general admission towards a Membership?

Many new guests like to "try" the Museum before purchasing a membership. The purchase of general admission can be applied toward membership only on the day of purchase and only on a one-to-one exchange. Only tickets from one receipt/transaction can be applied to a membership. For example, if a visitor purchases five (5) tickets to the Museum and then would like to apply the purchase to the Family membership only the cost of four (4) tickets may be applied.

Do you validate parking?

Harbor Park Garage, adjacent to the Museum at the corner of Lombard Street and Market Place offers discounted parking most days the Museum is open. The garage offers $15 parking* to Port Discovery guests most days of the week. 

Park on Level 4 or higher of the Garage. We’re sorry, but the Harbor Park Garage will not offer validations/special discounts on the following dates.

  • New Year’s Day
  • Martin Luther King, Jr. Day
  • President’s Day
  • Spring Break Week
  • Memorial Day
  • Mondays in June, July or August
  • Labor Day

*The $15 parking discount is valid for regular museum hours only, from one hour prior to museum opening to one hour after the museum is closed. Discounted parking for $10 applies for Birthday Party Guests, Overnight Adventure Guests, Evening Adventure Guests and Target® $2 Family Fun Night Guests. Be sure to ask for a validation ticket upon your entry or exit from the Museum.

Are food and drinks permitted inside the Museum?

Food and drinks are not permitted inside the Museum exhibits. There is a designated eating area which you may eat your lunch or snacks. Space is available on a first-come, first-served basis. There is no access to refrigerators or microwave.

Do you offer a Corporate Membership Program?

Yes, Port Discovery welcomes corporate members! We offer several different levels of corporate memberships. Please visit our Corporate Memberships page for more information.

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