Fishing At

Grand St. Marys State Park Lake

4.0

(6)

139 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

Neal Schmidt

3 days ago

•

Mercer County, Ohio

Rained out we're Biting really good in rip rap

Species Black crappie

Gear 3

10 likes

Neal Schmidt

3 days ago

•

Mercer County, Ohio

Species Black crappie

Gear 3

9 likes

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Neal Schmidt

4 days ago

•

Auglaize County, Ohio

Crappie starting to move in with all the extra water

Species Black crappie

Gear 3

9 likes

Nathan Swabb

2026-07-02

•

Mercer County, Ohio

Species Black crappie

10 likes

Nathan Swabb

2026-07-01

•

Auglaize County, Ohio

After multiple times fishing here at lake saint Marys I finally got one! Hopefully more to come. If anyone has some good tips for fishing here Grand St. Marys State Park Lake St Marys Ohio. Let me know! (I'm used to fishing In ponds).🤟

Species Largemouth black bass

Gear 1

6 likes

Neal Schmidt

2026-06-21

•

Auglaize County, Ohio

Species Largemouth black bass

7 likes

Neal Schmidt

2026-04-24

•

Auglaize County, Ohio

Species Black crappie

Weight 7 oz

Gear 6

6 likes • 1 comment

Neal Schmidt

2026-04-24

•

Auglaize County, Ohio

Species Largemouth black bass

Weight 1 lb

Gear 6

4 likes

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

Largemouth black bass

Popular Fishing Spots Near Grand St. Marys State Park Lake

4.0

(11)

Indian Lake

29.3 mi away • Logan County, Ohio

228 Catches

4.0

(4)

Prairie Creek Reservoir

49.5 mi away • Perry, Indiana

11.1 mi away • Shelby County, Ohio

23.2 mi away • Miami County, Ohio

34.5 mi away • Johnson, Ohio

46.4 mi away • Montgomery County, Ohio

72 Catches

No Rating (0)

Unnamed / Providence Pike - Pond

50.4 mi away • Perry, Ohio

72 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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