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Boat Ramps in Mercer County, Ohio
11 boat ramps
Mercer County has 11 boat ramps, 10 of them on Grand Lake St. Marys and Grand Lake.
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Ramps in Mercer County
Grand Lake St. Marys State Park - Its It Ramp
Grand Lake St. Marys
St. Marys
USGS
Grand Lake St. Marys State Park - Mercelina Park
Grand Lake St. Marys
Celina
USGS
Grand Lake St. Marys State Park - West Bank Ramp
Grand Lake St. Marys
St. Marys
USGS
Grand Lake St. Marys State Park - Windy Point
Grand Lake St. Marys
St. Marys
USGS
Lake Shore Drive Courtesy Docks
Grand Lake St. Marys
Celina
OH ODNR
Village of Montezuma Ramp Facility
Grand Lake St. Marys
Montezuma
USGS
5 more ramps
Mapped but not yet named. Check the satellite view to see what’s there.
What waterbodies have boat ramps in Mercer County?
Data last updated Sep 2026