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Established Camping

Grand Lake St. Marys State Park — Grand Lake St Marys State Park

Grand Lake St. Marys State Park, near St. Marys, Ohio, is a fantastic spot for families and campers looking for a mix of relaxation and fun. With a variety of accommodation options, including tent sites, RV spots, and cabins, there's something for everyone to enjoy.

The campground boasts a nice pool and a splash pad, perfect for keeping the kids entertained on warm days. Many visitors appreciate the clean restrooms and showers, which make it easy to freshen up after a day of outdoor activities. One camper noted, “The site was very spacious and the campground nice and quiet, clean and well kept.”

For those who enjoy outdoor activities, the park offers access to the largest inland lake in Ohio, ideal for fishing and boating. While swimming in the lake may not be an option due to water quality concerns, the surrounding area is rich with opportunities for hiking and exploring. Plus, there are playgrounds and picnic areas that make it easy to spend quality time with family.

Some campers have mentioned that the sites can feel a bit close together, but the friendly atmosphere and variety of amenities help create a welcoming environment. Whether you're a seasoned camper or just starting out, Grand Lake St. Marys State Park is a solid choice for a memorable getaway.

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Location

Grand Lake St. Marys State Park — Grand Lake St Marys State Park is located in Ohio

Detail location of campground

Directions

From jct Hwy-29 & Hwy-364: Go 1 mi S on Hwy-364, then E on Hwy-703.

Address

834 Edgewater Drive
St. Marys, OH 45885

Coordinates

40.54827631 N
84.43752436 W

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Access

  • Drive-In
    Park next to your site
  • Boat-In
    Sites accessible by watercraft.

Stay Connected

  • WiFi
    Good
  • Verizon
    Unknown
  • AT&T
    Unknown
  • T-Mobile
    Unknown

Site Types

  • Tent Sites
  • RV Sites
  • Standard (Tent/RV)
  • Group
  • Cabins
  • Tent Cabin

Features

For Campers

  • Market
  • ADA Access
  • Trash
  • Picnic Table
  • Phone Service
  • Reservable
  • WiFi
  • Showers
  • Drinking Water
  • Electric Hookups
  • Toilets
  • Alcohol
  • Pets
  • Fires

For Vehicles

  • Sanitary Dump
  • Sewer Hookups
  • Water Hookups
  • Pull-Through Sites
  • 50 Amp Hookups
  • Big Rig Friendly

Reviews

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4.5

out of 5

12 Reviews

Reviewed Aug. 24, 2024

One nighter

We were just passing through for one night and we’d been there before but this is a new site to us. It had a decent level pad and plenty deep enough for our camper and tow vehicle. The site has a large side and backyard with a great view of the lake. The shower house was just a short walk. Check in was easy and so was finding our site.

Site36
Month of VisitAugust
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  • Review photo of Grand Lake St. Marys State Park — Grand Lake St Marys State Park by Shannon G., August 24, 2024
  • Review photo of Grand Lake St. Marys State Park — Grand Lake St Marys State Park by Shannon G., August 24, 2024
  • (9) View All
Reviewed Oct. 18, 2021

Great campground

Loved our we can there. The site was a little bit muddy but no big deal. We were right by the restrooms which were nice they have a nice dump station and lots for the kids to do. The playground could definitely use some up keep there was a lot of rust and sharp metal pieces. The camp store definitely needs updating they hardly had anything in there. All in all we were totally go back is really relaxing and beautiful

Site172
Month of VisitOctober
  • Review photo of Grand Lake St. Marys State Park — Grand Lake St Marys State Park by Candace  H., October 18, 2021
  • Review photo of Grand Lake St. Marys State Park — Grand Lake St Marys State Park by Candace  H., October 18, 2021
  • Review photo of Grand Lake St. Marys State Park — Grand Lake St Marys State Park by Candace  H., October 18, 2021
Reviewed Nov. 30, 2020

Off Season and No Water

We love camping in the off season but with that comes closures. Some sections of the campgrounds might not be open, no camp hosts and limited bathrooms and showers houses. This is to be expected, but when I called the morning of our trip to make sure potable water was available and I was told yes it was only to drive 2 hours and realized they were wrong. No water 🙁. This would not have been a peas we have dry camped before but all the bathrooms were closed as well.

After called the park ranger he did let us get some water at the maintenance building so we were at least able to finish the weekend. Lesson learned always pull with at least some water.

Now back to the campground itself was nice and clean. Site are a little close together. The biggest down side is you are there to enjoy the lake but the lake had algae warnings everywhere not to go near the water.

They do have a dog park, pool and splash pad when in season and a marina. Also they have WiFi and good cell coverage.

  • Review photo of Grand Lake St. Marys State Park — Grand Lake St Marys State Park by Andrea F., November 30, 2020
  • Review photo of Grand Lake St. Marys State Park — Grand Lake St Marys State Park by Andrea F., November 30, 2020
  • Review photo of Grand Lake St. Marys State Park — Grand Lake St Marys State Park by Andrea F., November 30, 2020
  • (10) View All
Reviewed Sep. 20, 2020

2nd time with new camper

This was our second time here but with our new camper. Great location of pull through sites for families with kids because of proximity to playground. This will be a regular spot for us in the coming years.

  • Review photo of Grand Lake St. Marys State Park — Grand Lake St Marys State Park by Chad W., September 20, 2020
  • Review photo of Grand Lake St. Marys State Park — Grand Lake St Marys State Park by Chad W., September 20, 2020
  • Review photo of Grand Lake St. Marys State Park — Grand Lake St Marys State Park by Chad W., September 20, 2020
  • (5) View All
Reviewed Aug. 21, 2020

Favorite place

Second time out love this place has a swimming pool and splash pad for the kids and lots of parks and horseshoe pits bike rentals and put put golf but everything is closed from covid definitely my favorite place to camp primitive or electric tent camp

Reviewed Jun. 7, 2020

Nice quiet campground

The pull through area is very cramped; more like a parking lot; the campground is quiet; family friendly; no golf carts all over;

Reviewed Apr. 24, 2020

Great campground near home with decent amenities

The camping spot was great. It was very close to the pool and playground. The sites were pull through which was nice for have young kids. Could sit at our spot and watch our kids at the playground. This particular week there were tons of kids and our kids had a great time. This site is only a 15 min drive but it feels like its further away. While we get used to being campers having close spots helps us learn.

  • Review photo of Grand Lake St. Marys State Park — Grand Lake St Marys State Park by Chad W., April 24, 2020
  • Review photo of Grand Lake St. Marys State Park — Grand Lake St Marys State Park by Chad W., April 24, 2020
Reviewed Aug. 7, 2018

Family Friendly

Great sites, awesome new pool.

Lake isnt able to be swam in, but we aren’t lake people so it’s ok.

Reviewed Aug. 4, 2018

Huge sites!

My husband and I drove 8 hours to visit family and decided to camp here instead of staying in a hotel. It was great! The showers were always clean, the site is huge compared to what we normally stay in. It was pretty cheap per night. Our site was nicely shaded.

There must have been a nest of some type of bug in our site because I was bit dozens of times but bug spray pretty much fixed that.

  • Review photo of Grand Lake St. Marys State Park — Grand Lake St Marys State Park by amber F., August 4, 2018
Reviewed Jul. 6, 2018

Beautiful views

friendly staff, very clean restrooms, playground, could not swim in the water due to contamination which they have spent millions to repair and is slowly on the up and up, not too far from town, surrounded by many park accesses to Grand lake for fishing, boating or just hanging by the water. The lake is so big, it was like being on the ocean!

  • Review photo of Grand Lake St. Marys State Park — Grand Lake St Marys State Park by Amber R., July 6, 2018
  • Review photo of Grand Lake St. Marys State Park — Grand Lake St Marys State Park by Amber R., July 6, 2018
  • Review photo of Grand Lake St. Marys State Park — Grand Lake St Marys State Park by Amber R., July 6, 2018
  • (5) View All
Reviewed Jun. 27, 2018

very clean

Family oriented, new pool, splash pad for kids, great playground area. Full hookups and very well kept clean campground.

Month of VisitJune

Frequently Asked Questions

  • Does Grand Lake St. Marys State Park — Grand Lake St Marys State Park have RV hookups?

    According to TheDyrt.com, Grand Lake St. Marys State Park — Grand Lake St Marys State Park has 50 amp electric hookups, water hookups and sewer hookups.

  • What is the max vehicle length at Grand Lake St. Marys State Park — Grand Lake St Marys State Park?

    Grand Lake St. Marys State Park — Grand Lake St Marys State Park allows vehicles up to 35 feet.

  • Are fires allowed at Grand Lake St. Marys State Park — Grand Lake St Marys State Park?

    Yes, according to campers on TheDyrt.com, fires are allowed at Grand Lake St. Marys State Park — Grand Lake St Marys State Park, although make sure to check current fire restrictions in the area.

  • Does Grand Lake St. Marys State Park — Grand Lake St Marys State Park have wifi?

    Yes, according to campers on TheDyrt.com, Grand Lake St. Marys State Park — Grand Lake St Marys State Park does have wifi.