Grand Lake St. Mary’s State Park…

All American RV Club


Grand Lake St. Mary’s State Park
834 Edgewater Drive
St. Marys, OH 45885
419-394-2774 • 888-644-6727
GPS: (40.54718, -84.437625)

Grand Lake St. Mary’s State Park - Picture 1 Grand Lake St. Mary’s State Park - Picture 2 Grand Lake St. Mary’s State Park - Picture 3

AARV Club Discount



  • Members will receive a 50% discount off the regular rate.
  • Discount is valid Sunday through Wednesday and not valid on holidays.
  • Discount is subject to availability and is not combinable with other discounts.
  • There is a reservation fee of $8.25.
  • Maximum of two pets allowed.
  • If reserving a site, discount will be applied upon arrival.
  • Located 35 miles from Lima, and 74 miles from Dayton.

Must present your All American RV
Parks membership card for discount

TAKE I-75 to State Route 33 west to State Route 29 west. Then take State Route 29 west to State Route 364 and go south (left) to State Route 703 east to park entrance.

  • 166 RV sites offering 50 amp electric service
  • 38 non electric sites
  • 2 shower houses with flush toilets
  • Dump station
  • Laundry
  • Camp store
  • Swimming beach, boat launch ramps and dock
  • Volleyball, horseshoes, miniature golf, canoe and bike rentals
  • Local Attractions: Lake Loramie State Park offers fishing, boating, swimming and camping. The Miami-Erie Trail, a 47 mile portion of the statewide Buckeye Trail, begins at Lake Loramie and passes within 1.5 miles of Grand Lake St. Marys State Park. St. Marys Fish Hatchery, located on the lake’s eastern shore off East Bank Road, is the only state hatchery that raises largemouth bass. The Neil Armstrong Air and Space Museum is located in Wapakoneta at I-75 Exit 111. The museum chronicles Ohioans’ contributions to flight.

Originally constructed as a feeder reservoir for the Miami-Erie Canal, Grand Lake St. Marys was for many years recognized as the largest man-made reservoir in the world. The 13,500-acre lake is the gateway to swimming, boating, camping and fishing in one of Ohio's oldest state parks.

Grand Lake St. Mary’s State Park is not owned or operated by All American RV Parks (AARVP). Grand Lake St. Mary’s State Park is an All American RV Club park, offering this special discount to members of All American RV Parks. Grand Lake St. Mary’s State Park makes and enforces their own rules and regulations. Your All American RV Parks membership card is required to gain entry.

All American RV Club

Enjoy "The Good Times"