Grand Lake St. Marys State Park Campground
Ohio
Sold out? We check Grand Lake St. Marys State Park Campground for cancellations and email you the moment a site opens.
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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 tells alert holders 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.
September 2026
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 |
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.
Campgrounds
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