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Site Name St. Mary's Lake
CountySt. Mary's
Water BodySt. Mary's Lake
Physical AddressOff Route 5, End of Camp Cosoma Road, Leonardtown, MD
DirectionsThree miles north of Great Mills, 24 miles north of Point Lookout State Park, off MD Route 5 on Camp Cosoma Road.
Owner/Manager NameMaryland Dept. of Natural Resources - Park Service
Owner/Manager Phone301-872-5688
Owner/Manager Website
CommentsA day-use service charge per vehicle is required. See the web page listed above for information about fees. This Park has an ADA accessible bathroom and seasonal boat launching facility.
# of Ramps2
# of Ramps ADA1
Ramp Width (Feet)16
Ramp SurfaceCONCRETE
Large BoatsNo
Vessel Size NotePlease note that "large boats" is intended as a general reference to ramp capacity. Generally, vessels less than 16 feet in length are considered small and those greater than 16 feet as large.
Soft LaunchYes
Soft Launch ADANo
# of Piers0
Transient UseNo
HoursOfOperationSunrise to Sunset
Fee Or Permit RequiredYes
Parking Lot TypePAVED
Parking Lot SizeLARGE >20
# of Car Spaces30
# of Car Spaces ADA0
# ofTrailerSpaces50
# of Trailer Spaces ADA0
Turnaround AreaNo
Trash ServiceNo
Fuel on siteNo
Questions And UpdatesIf you have a question about this site, contact the owner/manager ussing the phone number provided above. Permit/launch fees can change without notice, therefore, this site does not list them. Corrections or updates to the information above should be e-mailed to
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