Very Hard to Book9 camping areas

Grand Lake St. Marys State Park Campground

Ohio

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As of September 2026, Grand Lake St. Marys State Park Campground is a campground in Ohio with 384 campsites. Grand Lake St. Marys State Park Campground is booked through Ohio State Parks.

PermitSnag checks Grand Lake St. Marys State Park Campground for availability and alerts watchers when a site opens up.
Grand Lake St. Marys State Park Campground is located at 40.5475° N, 84.4395° W.

Bookable sites: 384
Camping areas: 9
With electric: 154
Full hookup: 33
Longest RV: 70 ft

Grand Lake St. Marys State Park Campground reservations and availability

Which area do you want?

Grand Lake St. Marys State Park Campground books as 9 separate areas. Pick one to check its dates and set an alert on it. Each area has its own reservations and its own alerts.

Tap sold-out nights to add them to your alert.

September 2026

October 2026

open, tap to book on Ohio State Parkssold outin your alert

ReserveOhio (Ohio State Parks) campground cancellations →

Campsites at Grand Lake St. Marys State Park Campground

Site types across Grand Lake St. Marys State Park Campground

Standard 190 sites
RV 187 sites
Cabin 7 sites

How Grand Lake St. Marys State Park Campground is divided

Area	Sites	Types	Electric	Accessible	Max RV
Grand Lake Camp Sites 1-120 Campground	100	RV, Cabin	80	—	50 ft
Grand Lake Camp Sites 121-217 Campground	94	RV, Cabin	74	—	62 ft
Grand Lake State Park Marina	83	Standard	—	—	17 ft
St. Marys Boat Club Channel Campground	44	Standard	—	—	18 ft
Freys Channel Marina	24	Standard	—	—	16 ft
Schells Channel Marina	20	Standard	—	—	16 ft
Grand Lake West Bank Marina	10	Standard	—	—	16 ft
Karafit Road Area Lake Sub., Channel Dr., Shingl Campground	5	Standard	—	—	70 ft
Harmon's LandingWest side of Schroeder Road Campground	4	Standard	—	—	70 ft

Counts come from each area's own site list as the booking provider publishes it. A dash means the provider publishes nothing for that column.

About Grand Lake St. Marys State Park Campground

Karafit Road Area Lake Sub., Channel Dr., Shingl

Grand Lake St. Marys State Park Campground FAQ

How hard is it to get a campsite at Grand Lake St. Marys State Park Campground?

Grand Lake St. Marys State Park Campground is rated "Very Hard to Book" based on historical demand. This campground is popular and often books out weeks in advance. Your best strategy is to monitor cancellations.

How do I find last-minute availability at Grand Lake St. Marys State Park Campground?

Cancellations happen frequently at Grand Lake St. Marys State Park Campground, especially 1-2 weeks before check-in dates. PermitSnag monitors availability 24/7 and sends instant alerts when sites open up due to cancellations. This is often the best way to snag popular campsites.

How many campsites does Grand Lake St. Marys State Park Campground have?

Grand Lake St. Marys State Park Campground has 384 campsites.

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