Old Jail Museum - Leonardtown

Old Jail Museum - Leonardtown Built in 1876 and in use until 1945 by the oldest sheriff’s office in the nation, this building is the 6th of 8 jails/prisons in St. Mary's County history.

One of 4 sites in St. Mary's County on the Underground Railroad Network to Freedom Trail. One of the four museums and historic sites operated by the St. Mary's County Museum Division. The St. Mary's County Museum Division is a division of the St. Mary's County Department of Recreation and Parks and St. Mary's County Government. Disclaimer: https://www.stmaryscountymd.gov/socialdisclaimer

05/05/2026
05/05/2026
04/27/2026

Beep, beep! The Trolley is coming back for Leonardtown First Fridays! The Trolley is running from 5pm-10pm on May 1st, June 5th, July 3rd, August 7th, September 4th, October 2nd, November 6th and December 4th.

Need a refresher of all the stops and the route? Visit: https://www.visitleonardtownmd.com/leonardtowntrolley

Pick up and drop off your scavenger hunt here at the museum!
03/31/2026

Pick up and drop off your scavenger hunt here at the museum!

Address

41625 Courthouse Drive
Leonardtown, MD
20650

Opening Hours

Monday 10am - 5pm
Tuesday 10am - 5pm
Wednesday 10am - 5pm
Thursday 10am - 5pm
Friday 10am - 5pm
Saturday 10am - 5pm
Sunday 10am - 5pm

Telephone

(240) 925-3427

Website

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