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Grand Lake St. Marys State Park Campground Ohio

Grand Lake St. Marys State Park Overview

Grand Lake St. Mary’s State Park Campground is located right on the 13,500-acre lake and has almost 200 campsites. There are 148 electric sites, 33 full hookups sites, 10 standard sites and 7 cabins. Group camping is also available.

Grand Lake St. Mary’s State Park Campground is large, flat and has many large trees that provide shade. The campground roads and campsite pads are all paved. The campground also has flush toilets, hot showers and a dump station. Several campsites are very close to the water, most campsites have a view of the lake. Campsites 208-217 are tent only. Each campsite has a table, fire ring and grill.

Grand Lake St. Mary’s State Park – Area Recreation

There’s lots of fun to be had a Grand Lake St. Marys State Park including boating, swimming, swimming pool, sailing, fishing, hiking, biking, picnicking, horse shoes, basketball, volleyball, chess (on a huge chess board), canoeing, kayaking, wildlife viewing and more.

Kiser Lake State Park is also just 50 miles away. It has 74 campsites for tents, trailers and RVs.

Make a Reservation for Grand Lake St. Marys State Park

Amenities
  • Amphitheater
  • Bathhouse
  • BBQ Grills
  • Boat Launch/Ramp
  • Boat Rental
  • Boathouse
  • Camp Store
  • Campfire Center
  • Campground Host
  • Campsite Tables
  • Comfort Station
  • Concession Stand
  • Drinking Water
  • Dump Station
  • Electrical Hookup
  • Equipment Rentals
  • Fire Pit
  • Fire Rings
  • Firewood Available
  • Grills
  • Group Camping
  • Laundry
  • Nature Center
  • Pay Phone
  • Pets OK
  • Picnic Tables
  • Ranger Station
  • Rentals
  • Restrooms (Flush Toilets)
  • RV Hookups
  • Shade Structure
  • Showers
  • Sports Fields
  • Vending Machines
  • WiFi
Activities
  • Basketball
  • Beach
  • Biking
  • Bird Watching
  • Boating
  • Boating (non motorized)
  • Canoeing
  • Fishing
  • Hiking
  • Historic Sites
  • Horseshoes
  • Kayaking
  • Lake
  • Mini-Golf
  • Mountain Biking
  • Nature Programs
  • Nature Trails
  • Photography
  • Playground
  • Sailing
  • Sports Court
  • Sports Field
  • Stargazing
  • Swimming
  • Swimming Pool
  • Volleyball
  • Walking Trails
  • Water Playground
  • Water Sports
  • Wildlife Viewing
834 Edgewater Drive
Saint Marys, Ohio 45885
419 394-3611
Lat / Long:

40.54611, -84.43889

Campground Map
Make a Reservation
Best Campsites

2, 3, 4, 5, 6, 7, 16, 29, 36, 37, 38, 39, 40, 44, 49, 50, 53, 59, 60, 61, 62, 66, 73, 90, 91, 137, 138, 178, 179, 180, 181, 207

Regions
Campsite Types
  • Cabin
  • Group
  • RV
  • Tent
  • Trailer
Season:

Year Round

Elevation:

869

# of Campsites:

191

# of RV Campsites:

181

Grand Lake St. Marys State Park Photos

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Grand Lake St Marys State Park Chessboard
Grand Lake St Marys State Park Sign
Grand Lake St Marys State Park View

Grand Lake St. Marys State Park Comments & Reviews

Visited Grand Lake St. Marys State Park Campground lately? We'd love to hear about your adventure. Did you find us useful? Did we forget something? Anything our community should know before heading out to Grand Lake St. Marys State Park?

11 Comments on “Grand Lake St. Marys State Park”

  1. how much are the cabins per night

    • Hi Karen

      You can click HERE to check availability, rates and make a reservations. Small cabins are $50 per night for a small cabin and $60 per night for a large cabin.

  2. Evealyn Sennebogen says:

    We are interested in tent camping with electric water and a swimming pool. What are your rates.

    • Hello Evealyn,
      CampsitePhotos.com is not associated with any of the parks listed on our site. We provide the campsite photos and other camping information.
      To check rates, availability and make a reservation at Grand Lake St. Marys State Park, you can click on the ‘Make A Reservation’ button on the camping page or click HERE.

      • Bailey smith says:

        Hi there I have been trying to make reservations and it’s not allowing me to it keeps saying page can’t not be found I try to call and nobody answers? I wanted to see if you have any sites available for tomorrow the 5th til Sunday the 7 for full site

      • Hi Bailey, Thanks for pointing out the broken link. You can now click on the ‘Make A Reservation’ button and will be directed to the page where you can make reservations for Grand Lake St. Marys State Park campground. From there you can check availability, pricing and make a reservation.

  3. Vernon L Brumley says:

    Looking to rent cabins nu. 2 for 2 nights how much an want do i need for the cabin bed cloths plus ???

    • Hi Vernon,
      Campsitephotos.com is not associated with the campgrounds listed on our site. We provide the photos of each campsite, camping info and links to make reservations.
      We’re not sure what is provided for the Grand Lake St. Mary’s State Park cabins. I recommend you call the park directly to confirm: 419 394-3611

  4. We stayed here for a week in mid June of 2019. The campground is divided up into 2 main distinctive sections. One (by the pool area) are mostly “pull-thru’s. The pull-thru’s are somewhat short, so if you have a RV unit over say 35′ there will be no room to park your toad or truck on your paved pad. And this section has no trees. The spacing between campsites was rather close. But, it is right next to the new $1.5M pool. All the sites in this section are level. There was a new shower building for this section.

    The other section of campsites including some full service sites is situated on a very slight hillside. Nothing crazy, but 2/3 of these sites will include the need to block up one side of your RV’s wheels. The second negative is most of the sites in this section are 90 degree back in sites, so if it’s wet the wheels of the RV drop into the mud off the pavement. Overall spacing between sites in this section was average to larger than average. About 3/4 of the sites in this section had widely spaced large trees offering some shade. The bathrooms and one showerhouse in this section were the old block type buildings common in Ohio State Park system.

    The new $1.5 pool complex with a circular slide is the star of the place. Without the pool locals say the place would only fill 50% on summer weekends, now its been full on the weekends since the pool was put in last summer (2018). Access to the lake is either by the first row of campsites or just after the pool. The lake itself had some algae bloom issues back about 4 years ago , since then it has improved, but I still would not swim in it. The water still has a green color. I did kayak in it 4 of my 7 night stay. The short hiking trail is, how should say it, in very poor condition, evident of no upkeep in the last 10 years.

    Overall I gave the place a 4 star only because of the pool, otherwise a 3 would be a fair grade. Near by in St. Mary’s there is a community park (KC Geiger Park) mini golf coarse (18 holes $2 er adult) on a very professional level. During the week days ( 10am to 2:00) the local “special needs” people run it with proceeds going to their organizational. There is also a long 18 hole disc golf course there too. In the near by town of New Bremen there is the Bicycle Museum of America. Very well done exhibit ($3 per person). The whole area running north and south is where you will find the old Miami Erie Canal with many locks in the downtown city parks. It was in operation from the 1840’s to 1915 connecting the Ohio River to Lake Erie.

  5. Was checking to see if pool is open at campground? We have reservations this weekend and have little ones so was checking since it’s going to be so hot

    • Hi Cindy,
      According to Ohio State Parks page, the pool / splash pad are closed, but you may want to double check and call Grand Lake St. Marys State Park directly at: (419) 394-3611

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