Grand Lake St Marys State Park Tours and Activities

A lighthouse by a calm body of water at night with a full moon in the sky.
A calm body of water with a rocky breakwater and a distant shoreline.
A lighthouse by a waterfront at sunset.

Stay near popular Grand Lake St Marys State Park attractions

Grand Lake St Marys State Park

8.8/5 (80 reviews)
You can take time to visit Grand Lake St Marys State Park during your travels to St. Marys. While you're in the area, stroll along the lakeside.
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Top Grand Lake St Marys State Park Hotel & Accommodation Deals

Lake front 4-bedroom vacation home with pool and tiki bar!

Lake front 4-bedroom vacation home with pool and tiki bar!

St Marys OH
Lake front 4-bedroom vacation home with pool and tiki bar!
Quality Inn St. Mary's

Quality Inn St. Mary's

2.5 out of 5
1410 Commerce Drive St. Marys OH
Quality Inn St. Mary's
Americas Best Value Inn & Suites St. Marys

Americas Best Value Inn & Suites St. Marys

2 out of 5
1321 Celina Road St. Marys OH
Americas Best Value Inn & Suites St. Marys
Lakefront St Marys Getaway w/ Boat Dock + Fire Pit

Lakefront St Marys Getaway w/ Boat Dock + Fire Pit

St Marys OH
Lakefront St Marys Getaway w/ Boat Dock + Fire Pit
Heated Seasonal Pool, Hot Tub, Golf Course Home with Putting Green, Dogs Welcome

Heated Seasonal Pool, Hot Tub, Golf Course Home with Putting Green, Dogs Welcome

Celina OH
Heated Seasonal Pool, Hot Tub, Golf Course Home with Putting Green, Dogs Welcome
Grand Lake Cabin w/ Private Dock in St Marys!

Grand Lake Cabin w/ Private Dock in St Marys!

St Marys OH
Grand Lake Cabin w/ Private Dock in St Marys!
10 out of 10 for Waterfront 2-bdrm Cottage on Grand Lake w/Seasonal Fishing Pier

10 out of 10 for Waterfront 2-bdrm Cottage on Grand Lake w/Seasonal Fishing Pier

Celina OH
10 out of 10 for Waterfront 2-bdrm Cottage on Grand Lake w/Seasonal Fishing Pier
Lake Access, Seasonal Heated Pool,Hot Tub. Sleeps up to 22.

Lake Access, Seasonal Heated Pool,Hot Tub. Sleeps up to 22.

Celina OH
Lake Access, Seasonal Heated Pool,Hot Tub. Sleeps up to 22.
Excellent Lake View 2Bdrm Cottage in Small Neighborhood Near Shopping & Dining

Excellent Lake View 2Bdrm Cottage in Small Neighborhood Near Shopping & Dining

Celina OH
Excellent Lake View 2Bdrm Cottage in Small Neighborhood Near Shopping & Dining
See all 336 properties in Grand Lake St Marys State Park
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.