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65-acre Indian Harbor fishing map with 89.01%-measured NOAA BlueTopo contours, eight measured rock, pier, hard-bottom and channel-edge spots, Long Island Sound fish, three forage calendars, resident-permit connected launch access, impairment context and current Connecticut rules. The water tops out around 15 ft. The depth chart is built from real agency bathymetry referenced to NAVD88; directly measured coverage remains distinguished from source interpolation. The channels, holes and drop-offs come from the source data, not a distance-from-shore model. The rest of this page walks each species through its year, using the map's own scoring.
The drawn water covers 65 acres wrapped in 3.4 miles of bank. The 3 development index tells the story — a convoluted bank whose fishable edge far outruns the acreage. Call it 0.9 mi long by 0.3 mi wide at the broadest reach. Its nearest charted neighbour, Captain Harbor, is 1 mi to the south.
Spring puts striped bass in skinny water — 4 to 15 ft is the zone. Summer fish stay in 5 to 15 ft, and winter fish hold in 5 to 15 ft. Summer striped bass concentrate at Surveyed channel edge, a good-rated drop-off around 8 ft. Warm-month bites cluster around early morning and the evening. A topwater walker at low light or a paddletail on a light jig covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 15 ft | dawn & dusk | Surveyed channel edge (8 ft) | 3-6 inch paddletail, Suspending minnow plug |
| Summer | 5 to 15 ft | dawn & dusk | Surveyed channel edge (8 ft) | Topwater walker at low light, Paddletail on a light jig |
| Fall | 4 to 15 ft | dawn & dusk | Surveyed channel edge (8 ft) | Pencil popper, Baitfish swimbait |
| Winter | 5 to 15 ft | midday | Surveyed channel edge (8 ft) | Slow paddletail, Bucktail near bottom |
When the water first warms, bluefish slide up into 2 to 15 ft. There's no big seasonal slide here — summer means 3 to 15 ft, winter 5 to 15 ft. If you only fish one area, make it Surveyed channel edge: a drop-off around 8 ft that scores good in summer. In summer the feeding windows fall in early morning and the evening. Keep a popper (early/late) or a metal jigs in the rips rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 15 ft | dawn & dusk | Surveyed channel edge (8 ft) | Metal (Hopkins/Kastmaster), Pencil popper |
| Summer | 3 to 15 ft | dawn & dusk | Surveyed channel edge (8 ft) | Popper (early/late), Metal jigs in the rips |
| Fall | 2 to 15 ft | dawn & midday | Surveyed channel edge (8 ft) | Pencil popper, Big metal |
| Winter | 5 to 15 ft | midday | open water | Metal jig worked slow (southern waters) |
Start shallow in spring: summer flounder (fluke) sit in 3 to 15 ft that time of year. They don't go far with the seasons — 3 to 15 ft covers summer, 5 to 15 ft covers winter. The spot to know is Surveyed channel edge, a drop-off in about 8 ft of water that rates prime for summer flounder (fluke) in summer. Warm-month bites cluster around midday and early morning. Throw a bucktail (1-3 oz by drift speed) or a gulp grub on jighead until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 15 ft | midday & dawn | Surveyed channel edge (8 ft) | Bucktail + Gulp swimming mullet, Hi-lo rig + squid strip |
| Summer | 3 to 15 ft | midday & dawn | Surveyed channel edge (8 ft) | Bucktail (1-3 oz by drift speed), Gulp grub on jighead |
| Fall | 4 to 15 ft | midday | Surveyed channel edge (8 ft) | Heavier bucktail on the lumps, Big Gulp 6" grub |
| Winter | 5 to 15 ft | midday | Surveyed channel edge (8 ft) | Slow bottom rig + strip |
Spring puts black sea bass in skinny water — 4 to 15 ft is the zone. Summer fish stay in 4 to 15 ft, and winter fish hold in 5 to 15 ft. Spring black sea bass concentrate at NOAA charted underwater rock, a prime-rated rock pile around 4 ft. Warm-month bites cluster around midday and early morning. A bucktail + grub or a diamond jig + squid teaser covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 15 ft | midday & dawn | NOAA charted underwater rock (4 ft) | Hi-lo rig + squid, 1-2 oz bucktail + Gulp |
| Summer | 4 to 15 ft | midday & dawn | NOAA charted underwater rock (4 ft) | Bucktail + grub, Diamond jig + squid teaser |
| Fall | 4 to 15 ft | midday | NOAA charted underwater rock (4 ft) | 3-4 oz vertical jig (deep), Double-teaser rig |
| Winter | 5 to 15 ft | midday | NOAA charted underwater rock (4 ft) | Heavy hi-lo rig on deep wrecks |
Spring tautog (blackfish) on Indian Harbor hold shallow, usually 3 to 15 ft. Depth-wise the year is flat: 4 to 15 ft in summer, 5 to 15 ft once it turns cold. Put NOAA charted underwater rock first on the milk run — a rock pile near 3 ft that grades prime for spring. The feeding windows run early morning. The summer box starts with a 1/2-1 oz tog jig + crab.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 15 ft | midday & dawn | NOAA charted underwater rock (3 ft) | Tog jig + green crab half, Bare jig + clam (early) |
| Summer | 4 to 15 ft | dawn | NOAA charted underwater rock (4 ft) | 1/2-1 oz tog jig + crab |
| Fall | 3 to 15 ft | midday | NOAA charted underwater rock (3 ft) | Tog jig + whole green crab, Old-school rig + double crab (deep) |
| Winter | 5 to 15 ft | midday | NOAA charted underwater rock (4 ft) | Heavy jig + crab on deep structure |
8 pieces of structure are mapped here — NOAA charted rock bottom, around 8 ft, is the deepest of them.
Access data: Town of Greenwich — Grass Island Marina and Marina Facility Use Permit. Confirm conditions and fees locally before you launch.
Season dates, license requirements, and size and bag limits for Connecticut waters are set by the Connecticut DEEP (marine fishing) — and special regulations can apply to Indian Harbor specifically, so confirm the current rules before you fish.
Check the official Connecticut fishing regulations →
Indian Harbor is about 15 ft (5 m) deep at its deepest point. The depth chart is built from real agency bathymetry referenced to NAVD88; directly measured coverage remains distinguished from source interpolation. The contours reflect measured and quality-assessed source depths.
Anglers target striped bass, bluefish, summer flounder (fluke), black sea bass, tautog (blackfish) on Indian Harbor.
NOAA charted underwater rock is the top-rated area: a rock pile in about 4 ft of water that rates prime for black sea bass in spring. The interactive chart above rates every spot for each species and season.
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.
Fishing on Indian Harbor is regulated by the Connecticut DEEP (marine fishing). Check the official Connecticut regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Captain Harbor 1 mi · Byram Harbor 2 mi · Greenwich Cove 2 mi · Port Chester Harbor 3 mi, NY · Stamford Harbor 4 mi · Mamaroneck Harbor 8 mi, NY · Kensico Reservoir 9 mi, NY · Larchmont Harbor 9 mi, NY · Sheffield Island Harbor 11 mi · Lloyd Harbor 11 mi, NY · Echo Bay 11 mi, NY · Huntington Bay 12 mi, NY
See how Indian Harbor stacks up: best striped bass lakes in Connecticut · best summer flounder (fluke) lakes in Connecticut · best bluefish lakes in Connecticut · best black sea bass lakes in Connecticut
Browse all Connecticut fishing maps or see every water on DepthScout. Bathymetry credit: NOAA BlueTopo (NAVD88; 89% measured, 11% source-interpolated). How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.