Drop Shot Fishing on Grand Lake St. Marys
Grand Lake St. Marys · Ohio · Midwest
Grand Lake St. Marys sits in Auglaize and Mercer counties and ranks among the largest inland lakes in Ohio by surface area, though its average depth rarely pushes past 7 to 8 feet. The lake's character is defined by sprawling milfoil and hydrilla mats, soft muck bottom, and heavily stained water that swings between 12 and 24 inches of clarity depending on wind and algae bloom cycles. Largemouth bass dominate the sport-fish population, with saugeye and crappie rounding out the most-targeted species.
The drop shot suspends a soft plastic bait above the bottom on a fixed line, keeping it in the strike zone longer than any other rig. Originally a West Coast technique, it now dominates clear-water and finesse situations nationwide. Works vertically over structure or on a long cast.
Drop Shot Setup for Grand Lake St. Marys
| Rod | 7' medium-light to medium spinning rod, fast action |
| Reel | 2500–3000 size spinning reel, 6.2:1 or higher |
| Line | 6–8 lb fluorocarbon main line or 10 lb braid + 8 lb fluoro leader |
| Weight | 1/8–3/8 oz tungsten drop shot weight (heavier in current or deep water) |
| Hook | #1 or #2 Gamakatsu Finesse Wide Gap, 6–18 inches above weight |
Seasonal Tactics on Grand Lake St. Marys
Lake: Pre-spawn largemouth move onto shallow flats and emergent reed edges in water temperatures between 55 and 65 degrees — look for hard-bottom pockets inside the vegetation lines where fish stage before pushing to spawning coves. Shallow-running crankbaits like the Strike King KVD 1.5 and paddle-tail swimbaits work well through early May.
Drop Shot: Target staging fish on points and drop-offs in 8–20 feet. Nose-hook a 6" Roboworm or Berkley PowerBait MaxScent Flat Worm.
Lake: Milfoil and hydrilla mats reach maximum density by late June, pushing fish tight underneath the canopy where dissolved oxygen is highest. Punching 1 oz tungsten rigs through dense mats and throwing hollow-body frogs over the top are the two most productive summer approaches.
Drop Shot: Go deep — 20–40 feet on main lake structure. Shake in place with minimal movement. Shad colors dominate.
Lake: Bass scatter to remaining green vegetation edges as water temps drop through the 60s, with shad-imitating swimbaits and vibrating jigs producing along the outer weed lines in 4 to 6 feet. The bite can be aggressive through mid-October before the fish transition to late-fall lethargy.
Drop Shot: Follow baitfish to secondary points and pockets. Faster retrieve works as fish get more aggressive.
Lake: Water temperatures below 45 degrees push most actively targeted bass into the deepest available water — still only 7 to 8 feet at best — where slow-rolled finesse jigs and drop shots on points near the old river channel remnants account for the most consistent catches.
Drop Shot: Slowest presentation of the year. Dead-stick a 4" finesse worm at the bottom. Let it sit 10–15 seconds between shakes.
Best Conditions
Clear to stained water, pressured fish, cold fronts, post-spawn suspended bass, deep structure in summer
Use a Palomar knot and leave the tag end pointing up to keep the hook riding correctly. Most anglers tie it wrong.
More Techniques for Grand Lake St. Marys
Ready to fish Grand Lake St. Marys?
Ask Hank about current conditions, water temp, and exactly what to throw today.
Ask Hank →