Acquiring satellite view…
St. Marys Lake
VerifiedLocation
GPS Coordinates
Get Directions
About This Ramp
Hours
4:00am-11:00pm
Managed by
Prd
Lanes
1
Docks
1
Parking
10 spaces
Amenities
Restroom
Contact
USGS3 data sourcesUpdated Mar 2026
St. Marys Lake is a public boat ramp on Saint Marys Lake in Mason County, Michigan (49449). Managed by Prd. GPS coordinates: 43.8333°N, 86.2917°W.