Ohio / Grand Lake–Saint Marys /
Grand Lake St. Marys State Park - Its It Ramp
Boat ramp · on Grand Lake–Saint Marys · near St. Marys · Ohio
Harmful algal blooms reported on Grand Lake–Saint Marys 860 m from this launch (state reports compiled by U.S. EPA): 2015 to 2026.
state reports compiled by U.S. EPA · checked October 18, 2026
Status not reported No closure has been posted for this launch, but its agency does not publish open or closed status. Check with the managing agency before you tow.
At the launch
- Type
- Boat ramp
- Fee
- Free
- Motors
- No horsepower limit
- Ramp lanes
- 1
- Docks
- 1
- Ramp surface
- Concrete
- Trailer parking
- 12 spaces
- Season
- All Year
- Managed by
- ODNR Division of Parks & Recreation
- Website
- parks.ohiodnr.gov
- Coordinates
- 40.50199, -84.55987
Depth contours in feet from Ohio DNR. Not for navigation.
Conditions
- Weather forecast for this launch · National Weather Service
- Lake level at the Grand Lake St Marys near Celina OH gauge · USGS, 2.4 mi away on Grand Lake–Saint Marys
Lake level
Latest reading loads here; without it, see the USGS page below.
USGS gauge Grand Lake St Marys near Celina OH, 2.4 mi from this launch on Grand Lake–Saint Marys: lake level, a reading every 15 minutes. Readings and history at USGS.
On Grand Lake–Saint Marys
Reservoir in Ohio. All launches on Grand Lake–Saint Marys.
Community
Where people who use Grand Lake–Saint Marys talk about it.
Nearby launches
- Village of Montezuma Ramp Facility · 0.9 mi · Beaver Creek
- Grand Lake St. Marys State Park - Windy Point · 1.2 mi · Grand Lake–Saint Marys
- Grand Lake St. Marys State Park - West Bank Ramp · 2.1 mi · Grand Lake–Saint Marys
- Grand Lake St. Marys State Park - Mercelina Park · 3.0 mi · Grand Lake–Saint Marys
- Grand Lake–Saint Marys Boat Launch near South Shore Acres · 5.4 mi · Grand Lake–Saint Marys
- Grand Lake St. Marys State Park - Campground Ramp · 6.9 mi · Grand Lake–Saint Marys
Sources
- Ohio DNR Boater and Stream Access (facility guide and paddling access) record 540003 · Public data (ODNR GIS), liability statement only; no use limitations stated
- Ohio DNR Watercraft Motorized Lake Facilities (facility guide with amenity detail) record 540003 · Public data (ODNR GIS), liability statement only; no use limitations stated
- Ohio DNR Division of Wildlife Facilities (DOW_Facilities), boat launch ramps record 1984 · Public data (ODNR GIS), liability statement only; no use limitations stated
- OpenStreetMap n9890068866 © OpenStreetMap contributors, ODbL
- OpenStreetMap w1078849697 © OpenStreetMap contributors, ODbL
Why it is listed as public: listed by Ohio DNR Boater and Stream Access (facility guide and paddling access) and Ohio DNR Watercraft Motorized Lake Facilities (facility guide with amenity detail) and Ohio DNR Division of Wildlife Facilities (DOW_Facilities), boat launch ramps. Something wrong, or is this launch private? Send a correction; it goes to a person.