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Fishing Big Diamond: what the data says
156-acre lake near Itasca County. The lake tops out around 31 ft. The contours are modeled from the water's real shoreline and maximum depth. Treat them as a rough guide, and never use them for navigation. What follows comes from the same scoring engine that paints the spots above.
Yellow Perch fishing at Big Diamond
Start shallow in spring: yellow perch sit in 3 to 12 ft that time of year. Summer pushes them deeper, 10 to 30 ft, and winter fish settle into 9 to 31 ft. The spot to know is Shallow bay flat, a weed flat in about 4 ft of water that rates prime for yellow perch in spring. Plan around early morning in the warm months. A drop-shot micro plastics or a small spoon tipped with worm covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 10 to 30 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 9 to 31 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 9 to 31 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Northern Pike fishing at Big Diamond
Start shallow in spring: northern pike sit in 2 to 8 ft that time of year. By summer they slide out to 8 to 20 ft, and by winter most fish are in 5 to 15 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 4 ft that scores prime in spring. Best bite is early morning and the evening. Tie on a bucktail or a weedless spoon over cabbage and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Tip-ups, Large jigging spoon |
Largemouth Bass fishing at Big Diamond
Spring largemouth bass on Big Diamond hold shallow, usually 2 to 10 ft. They move out to 8 to 20 ft in summer and finish the year down in 9 to 31 ft. The spot to know is Shallow bay flat, a weed flat in about 4 ft of water that rates prime for largemouth bass in spring. Plan around early morning and the evening in the warm months. Summer baits: a texas-rigged 10" worm or a deep-diving crankbait gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | dawn & dusk | Spinnerbait, Chatterbait |
| Summer | 8 to 20 ft | dawn & dusk | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 4 to 15 ft | midday & dawn | Squarebill crankbait (shad), Spinnerbait |
| Winter | 9 to 31 ft | midday | Blade bait, Jigging spoon |
Rock Bass fishing at Big Diamond
Spring rock bass on Big Diamond hold shallow, usually 2 to 10 ft. By summer they slide out to 5 to 20 ft, and by winter most fish are in 12 to 30 ft. Main-lake point is the standout, a point at roughly 8 ft, rated prime for summer rock bass. Plan around the evening in the warm months. A ned rig (small) or a marabou jig covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | midday & dawn | 1/16 oz jig + grub, Small inline spinner |
| Summer | 5 to 20 ft | dusk | Ned rig (small), Marabou jig |
| Fall | 8 to 22 ft | midday | Small tube jig, Inline spinner |
| Winter | 12 to 30 ft | midday | Tungsten jig + plastic, Small spoon + spike |
Crappie fishing at Big Diamond
Spring crappie on Big Diamond hold shallow, usually 2 to 8 ft. By summer they slide out to 10 to 25 ft, and by winter most fish are in 9 to 31 ft. The spot to know is Deep basin, a deep basin in about 26 ft of water that rates prime for crappie in winter. In summer the feeding windows fall in early morning and the evening. Summer baits: a jig trolled/spider-rigged or a small crankbait (trolled) gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | 1/16 oz jig + tube, Curly-tail grub |
| Summer | 10 to 25 ft | dawn & dusk | Jig trolled/spider-rigged, Small crankbait (trolled) |
| Fall | 8 to 20 ft | dawn | Jig + minnow combo, Small swimbait (1.5-2") |
| Winter | 9 to 31 ft | midday | Tungsten jig + soft plastic, Tiny jigging spoon |
Bluegill fishing at Big Diamond
Spring bluegill on Big Diamond hold shallow, usually 1 to 6 ft. By summer they slide out to 4 to 15 ft, and by winter most fish are in 10 to 25 ft. Shallow bay flat is the standout, a weed flat at roughly 4 ft, rated prime for spring bluegill. Plan around early morning and the evening in the warm months. Summer baits: a small sponge spider (fly) or a micro tube jig gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 1 to 6 ft | midday & dusk | 1/32 oz jig + micro plastic, Tiny popper (evenings) |
| Summer | 4 to 15 ft | dawn & dusk | Small sponge spider (fly), Micro tube jig |
| Fall | 6 to 18 ft | midday | Micro jig + waxworm, Small spoon tipped |
| Winter | 10 to 25 ft | midday | Tungsten ice jig + plastic, Tiny spoon |
Big Diamond also holds pumpkinseed (2 to 10 ft in summer), brown bullhead (3 to 12 ft in summer). Pick any of them on the map above for rated spots and bait picks.
Notable structure
- Deep basin: deep basin, around 26 ft
- Break off the point: drop-off, around 14 ft
- Main-lake point: point, around 8 ft
- Secondary point: point, around 8 ft
- Shallow bay flat: weed flat, around 4 ft
- Back-bay flat: weed flat, around 4 ft
Common questions
How deep is Big Diamond?
Big Diamond is about 31 ft at its deepest point. The contours here are modeled from the water's real shape and maximum depth, so treat them as a rough guide.
What fish are in Big Diamond?
Anglers target largemouth bass, northern pike, crappie, bluegill, yellow perch, rock bass, pumpkinseed, brown bullhead on Big Diamond.
Where is the best fishing spot on Big Diamond?
Shallow bay flat is the top-rated area: a weed flat in about 4 ft of water that rates prime for yellow perch in spring. Open the map above to see every rated spot for each species and season.
When is the best time to fish Big Diamond?
For yellow perch, the summer bite is best in early morning. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Nearby waters
Holman · North Twin · South Twin · Canisteo Pit · Moonshine · Island
See how Big Diamond stacks up: best largemouth bass lakes in Minnesota · best northern pike lakes in Minnesota · best crappie lakes in Minnesota · best bluegill lakes in Minnesota
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