Historic St. Mary's City outdoor exhibits are closed for the winter.
St. John's Site Museum winter hours: Fridays and Saturdays, 10 a.m. to 4 p.m. January 23 - March 17


47414 Old State House Road St. Mary's City , 20686
21 Jun 2025
10:30am - 12:30pm
47414 Old State House Road St. Mary's City , 20686
21 Jun 2025
10:30am - 12:30pm
Sail into STEM Workshop
June 21, 2025 | 10:30 a.m. – 12:30 p.m.
Waterfront, Maryland Dove
Ages 10-14.
Join the waterfront staff for a morning full of fun, hands-on activities that demonstrate the science, mechanics, and mathematics involved in sailing ships and boats, big and small. Participants will experiment with concepts such as buoyance, draught, windage, and more! They may even find themselves setting and maneuvering one of Maryland Dove’s sails while she remains dockside (weather permitting).
$20/$15 for members (one adult receives free admission).
Space is limited- preregistration required with full payment. Registration opens May 19.
Register: hsmcc.groups@maryland.gov or call 301-994-4372
Wed, Jan 14, 2026
02:00 PM - 03:30 PM
Tue, Mar 17, 2026
10:00 AM - 04:00 PM
Wed, May 13, 2026
02:00 PM - 03:30 PM
Wed, Jun 10, 2026
02:00 PM - 03:30 PM
Wed, Jul 8, 2026
02:00 PM - 03:30 PM
Wed, Aug 12, 2026
02:00 PM - 03:30 PM
Wed, Sep 9, 2026
02:00 PM - 03:30 PM
Wed, Oct 14, 2026
02:00 PM - 03:30 PM
