LEONARDTOWN, MD – In preparation for the summer outdoor season, the Great Mills Swimming Pool will be temporarily closed from Thursday, May 15, 2025, through Friday, May 23, 2025, for removal of the dome bubble and completion of bi-annual maintenance. The pool will re-open as an outdoor pool on Saturday, May 24, 2025.
To celebrate the start of outdoor pool season, St. Mary’s County Government’s Department of Recreation & Parks (R&P) invites all to join us at the Great Mills Swimming Pool for the Splash Bash Pool Party on Sunday, May 25 from 1 p.m. – 4 p.m. There will be music and games during the open swim to celebrate summer. Advanced registration is not required to attend this event; however, normal admission fees (or use of a pool pass) apply. Regular daily admission is $8 for adult county residents and $6 for both senior county residents and youth county residents (age 17 and younger). Admission and membership pass information can be found online at: www.stmaryscountymd.gov/docs/greatmillspoolrates.pdf.
Beginning on Monday, June 16, 2025, the pool will switch to summer operating hours, Monday – Saturday, 6:30 a.m. – 8 p.m. and Sunday, 12 p.m. – 6 p.m.
For more information on the Great Mills Swimming Pool, please visit www.stmaryscountymd.gov/aquatics or call (301) 866-6560.
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