Fishing At

Grand St. Marys State Park Lake

4.0

(6)

127 Catches

Grand St. Marys State Park Lake is located in Mercer County, Ohio. Download FishAngler to find the best places to fish at Grand St. Marys State Park Lake. Get local fishing reports with detailed catch information, weather conditions, top baits and more.

Access & Amenities

40.52536, -84.475613

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Recent Catches At Grand St. Marys State Park Lake

John Sandlin

3 hours ago

•

Mercer County, Ohio

We went to Grand lake St.marys today fishing it was a good day we caught a bunch of crappies and bluegills

Weight 14 oz

10 likes

John Sandlin

3 days ago

•

Mercer County, Ohio

We went to Grand lake St.marys today fishing it was a good day we caught a bunch of crappies and bluegills and saw a bunch of pelicans.

Weight 14 oz

29 likes • 2 comments

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John Sandlin

1 week ago

•

Mercer County, Ohio

We went to Grand lake St.marys today fishing it it was a good day we caught a bunch of crappies and bluegills

Weight 14 oz

31 likes • 4 comments

John Sandlin

2025-11-29

•

Mercer County, Ohio

We went to Grand lake St.marys today fishing it was a bad day only caught a few crappies.

Species Black crappie

Weight 14 oz

28 likes

John Sandlin

2025-11-23

•

Mercer County, Ohio

We went to Grand lake St.marys today fishing it was a good day we caught a bunch of crappies and bluegills.

Species Black crappie

Weight 14 oz

31 likes • 2 comments

John Sandlin

2025-11-14

•

Mercer County, Ohio

Went to Grand lake St.marys today fishing it was a good day we caught a bunch of crappies and a few bluegills

Weight 14 oz

25 likes • 2 comments

Neal Schmidt

2025-10-12

•

Mercer County, Ohio

Caught well over a dozen was a good day for crappie

Species Black crappie

Gear 6

9 likes • 2 comments

Neal Schmidt

2025-09-26

•

Auglaize County, Ohio

Good catch

Species Channel catfish

Weight 4 lb 12 oz

Gear 6

12 likes • 4 comments

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Most Caught Fish Species At Grand St. Marys State Park Lake

Largemouth black bass

1 Catch

Popular Fishing Spots Near Grand St. Marys State Park Lake

4.0

(10)

Indian Lake

29.3 mi away • Logan County, Ohio

191 Catches

4.0

(4)

Prairie Creek Reservoir

49.5 mi away • Perry, Indiana

11.1 mi away • Shelby County, Ohio

34.5 mi away • Johnson, Ohio

23.2 mi away • Miami County, Ohio

46.4 mi away • Montgomery County, Ohio

72 Catches

No Rating (0)

Unnamed / Providence Pike - Pond

50.4 mi away • Perry, Ohio

70 Catches

5.0

(4)

Middle Fork Reservoir

49.8 mi away • Wayne, Indiana

59 Catches

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Grand St. Marys State Park Lake?

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