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AdvancedBoat entry

Mattituck

New York, United States
AOW suggested22–31 m depthBoat entry3mm wetsuit typical

Boat dive — see Entry & access.

Mattituck at a glance

Mattituck is a advanced boat dive site in New York, United States with depths of 21.9–30.5 m (72–100 ft). Typically most favorable Jul · from 3 years of archive data. Divers commonly see Black sea bass, Tautog (blackfish), and Scup (porgy). Recent reports put the water around 22°C (72°F). Check the latest conditions and entry details before you go.

Marine model · graded 12h ago
0.2 mwaves — under half a meter expected

Tap a factor for its source and model point · Forecast 22°C · seasonal avg 23°C

Site hazards: Depth (to ~100 ft) and Long Island Sound current; cold/dark at depth; limited visibility; boat traffic; fishing tackle.

Read the full hazards ↓

Dive windows this week

Best: Sat
Mon6:00–21:00
Tue6:00–21:00
Wed6:00–21:00
Thu6:00–21:00
Fri6:00–21:00
Sat6:00–21:00
Sun6:00–21:00

Favorable windowModerate window— no window

First light 5:10 · Sunrise 5:41 · Sunset 20:11

Source: Open-Meteo marine · model point 8.9 km from site · graded 12h ago

Forecast only — always assess conditions on site.

Forecast · NOAA tide model

Tide & slack timing

Loading tide predictions

Recent diver reports

Dated firsthand observations from divers — not current conditions.

No diver reports for this site yet. — one dated observation helps every diver after you.

What Divers Say

Known for: Black sea bass, Tautog (blackfish), Scup (porgy)
Best time: Summer on slack tide; plan for depth and bottom time.

Based on community reviews and site data. Conditions vary — always verify before diving.

Best months, historically

What conditions have historically been typical at this site, month by month — not a forecast.

  1. Jan61%5°C0.7 m
  2. Feb71%4°C0.6 m
  3. Mar69%5°C0.6 m
  4. Apr82%8°C0.5 m
  5. May91%13°C0.4 m
  6. Jun94%18°C0.4 m
  7. Jul98%23°C0.3 m
  8. Aug89%22°C0.4 m
  9. Sep89%21°C0.4 m
  10. Oct74%18°C0.5 m
  11. Nov62%13°C0.7 m
  12. Dec57%8°C0.7 m

July hastypically had the largest share of favorable days here. Conditions vary year to year — this is historical context, not a forecast.

Based on 3 years of archive data. Bar height shows the share of days each month whose conditions have historically scored favorably.

Marine life seen at this site

Species noted at this site — not a promise of what you’ll encounter.

Species seen here

  • Black sea bassCommonly seen
  • Tautog (blackfish)Commonly seen
  • Scup (porgy)Commonly seen
  • American lobsterOccasionally seen
  • CunnerCommonly seen

Fills & rentals nearby

No dive shops mapped within 25 km. Know one? Add it to the map.

Site details

Mattituck Reef is a 50-acre NYSDEC artificial reef in Long Island Sound about 2.37 nautical miles northwest of Mattituck Inlet, in 72-100 ft of water. It holds a sunken vessel and concrete buoy sinkers and is one of the deeper Sound reefs, making it an advanced/deep boat dive. Black sea bass, tautog and scup gather on the structure; visibility is variable.

boatreefwreck

Depth (to ~100 ft) and Long Island Sound current; cold/dark at depth; limited visibility; boat traffic; fishing tackle.

Reviews

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