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Fishing Three Mile Harbor: what the data says
1,077-acre harbor near East Hampton. The water tops out around 14 ft. The depth chart is built from real NOAA hydrographic survey soundings (depths referenced to low tide), so the channels, holes and drop-offs you see are measured, not guessed. Below is the species-by-species picture, pulled from the same data the map uses.
Striped Bass fishing at Three Mile Harbor
Spring striped bass on Three Mile Harbor hold shallow, usually 4 to 14 ft. Summer fish stay in 4 to 14 ft, and winter fish hold in 4 to 14 ft. If you only fish one area, make it Deep basin: a deep basin around 13 ft that scores prime in summer. In summer the feeding windows fall in early morning and the evening. Tie on a flutter spoon (deep) or a umbrella rig (trolled) and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 4 to 14 ft | dawn & dusk | Bucktail jig + trailer, Walking topwater (dawn) |
| Summer | 4 to 14 ft | dawn & dusk | Flutter spoon (deep), Umbrella rig (trolled) |
| Fall | 4 to 14 ft | dawn & dusk | Topwater walker, Jerkbait |
| Winter | 4 to 14 ft | midday | Alabama rig (slow), Flutter spoon |
Bluefish fishing at Three Mile Harbor
Start shallow in spring: bluefish sit in 2 to 14 ft that time of year. Summer fish stay in 2 to 14 ft, and winter fish hold in 4 to 14 ft. If you only fish one area, make it Creek inflow: a inflow / creek mouth around 2 ft that scores prime in fall. In summer the feeding windows fall in early morning and the evening. A popper (early/late) or a metal jigs in the rips covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 14 ft | dawn & dusk | Metal (Hopkins/Kastmaster), Pencil popper |
| Summer | 2 to 14 ft | dawn & dusk | Popper (early/late), Metal jigs in the rips |
| Fall | 2 to 14 ft | dawn & midday | Pencil popper, Big metal |
| Winter | 4 to 14 ft | midday | Metal jig worked slow (southern waters) |
Summer Flounder (Fluke) fishing at Three Mile Harbor
In spring, summer flounder (fluke) run shallow here, mostly 3 to 14 ft. Summer fish stay in 3 to 14 ft, and winter fish hold in 4 to 14 ft. Old creek channel is the standout, a creek channel at roughly 10 ft, rated prime for spring summer flounder (fluke). In summer the feeding windows fall in midday and early morning. Tie on a bucktail (1-3 oz by drift speed) or a gulp grub on jighead and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 14 ft | midday & dawn | Bucktail + Gulp swimming mullet, Hi-lo rig + squid strip |
| Summer | 3 to 14 ft | midday & dawn | Bucktail (1-3 oz by drift speed), Gulp grub on jighead |
| Fall | 4 to 14 ft | midday | Heavier bucktail on the lumps, Big Gulp 6" grub |
| Winter | 4 to 14 ft | midday | Slow bottom rig + strip |
Black Sea Bass fishing at Three Mile Harbor
In spring, black sea bass run shallow here, mostly 4 to 14 ft. Summer fish stay in 4 to 14 ft, and winter fish hold in 4 to 14 ft. Break off the point is the standout, a drop-off at roughly 9 ft, rated prime for summer black sea bass. In summer the feeding windows fall in midday and early morning. A bucktail + grub or a diamond jig + squid teaser covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 4 to 14 ft | midday & dawn | Hi-lo rig + squid, 1-2 oz bucktail + Gulp |
| Summer | 4 to 14 ft | midday & dawn | Bucktail + grub, Diamond jig + squid teaser |
| Fall | 4 to 14 ft | midday | 3-4 oz vertical jig (deep), Double-teaser rig |
| Winter | 4 to 14 ft | midday | Heavy hi-lo rig on deep wrecks |
Tautog (Blackfish) fishing at Three Mile Harbor
In spring, tautog (blackfish) run shallow here, mostly 3 to 14 ft. Summer fish stay in 4 to 14 ft, and winter fish hold in 4 to 14 ft. If you only fish one area, make it Break off the point: a drop-off around 9 ft that scores prime in fall. Best bite is early morning. Summer baits: a 1/2-1 oz tog jig + crab gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 14 ft | midday & dawn | Tog jig + green crab half, Bare jig + clam (early) |
| Summer | 4 to 14 ft | dawn | 1/2-1 oz tog jig + crab |
| Fall | 3 to 14 ft | midday | Tog jig + whole green crab, Old-school rig + double crab (deep) |
| Winter | 4 to 14 ft | midday | Heavy jig + crab on deep structure |
Notable structure
- Deep basin: deep basin, around 13 ft
- Old creek channel: creek channel, around 10 ft
- Break off the point: drop-off, around 9 ft
- Main-lake point: point, around 4 ft
- Shallow bay flat: weed flat, around 4 ft
- Back-bay flat: weed flat, around 3 ft
- Secondary point: point, around 2 ft
- Marina / dock area: dock line, around 2 ft
- Creek inflow: inflow / creek mouth, around 2 ft
Common questions
How deep is Three Mile Harbor?
Three Mile Harbor is about 14 ft at its deepest point. The depth chart here comes from real NOAA hydrographic surveys (charted soundings referenced to low tide), so the contours reflect measured depths.
What fish are in Three Mile Harbor?
Anglers target striped bass, summer flounder (fluke), bluefish, black sea bass, tautog (blackfish) on Three Mile Harbor.
Where is the best fishing spot on Three Mile Harbor?
Deep basin is the top-rated area: a deep basin in about 13 ft of water that rates prime for striped bass in summer. Open the map above to see every rated spot for each species and season.
When is the best time to fish Three Mile Harbor?
For striped bass, the summer bite is best in early morning and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Nearby waters
Lake Montauk · East Branch Reservoir · Bog Brook Reservoir · Titicus Reservoir · Cross River Reservoir · Diverting Reservoir
Browse all New York fishing maps or every water on DepthScout. Bathymetry credit: NOAA Office of Coast Survey (ENC soundings, MLLW datum). How we build these maps. For fishing guidance only, never navigation.