Long Island Sound Dive Sites Chart

Long Island Sound - West Chart

Long Island Sound - East Chart

Long Island Sound averages 60 ft in depth, with the greatest depth of over 300 ft at the eastern end. Tidal effects are strongest at the narrow western end, where all the inrushing water flow piles up and makes tidal variations of up to 7 ft. Strong tidal currents are also prevalent, and visibility tends to be poorer than the open ocean, especially at depth.

Long Island Sound Dive Sites


Mattituck Artificial Reef

Depth: 72 to 100 feet
2.37 nautical miles northwest of Mattituck Inlet



Port Jefferson Artificial Reef

Depth: 88 to 94 feet
1.79 nautical miles northeast of Port Jefferson Inlet


Type:
shipwreck, three-masted schooner, USA
Specs:
( 118 ft )
Sunk:
Monday August 12, 1907
collision with steamer Tennessee- 4 casualties
Depth:
60 ft

wooden ribs and timbers


Type:
shipwreck, frigate ( Mermaid-class, 6th-rate ), British Royal Navy
Name:
Hussars were light cavalry units of the period, known for their colorful and showy uniforms.
Built:
1763, England
Specs:
( 124 x 33 ft ) 627 gross tons
Sunk:
Thursday November 23, 1780
struck a rock - unknown casualties, including prisoners
Depth:
probably buried in the landfill under the police station near 135th Street

Type:
shipwreck, tugboat, USA
Built:
1906?
Specs:
( 70 ft ) 54 tons
Sunk:
Wednesday December 7, 1983
fire - no casualties
Depth:
70 ft
Long Island Sound

Mount Sinai Harbor / Jetties

Once you get there, suit up at your car and walk down the small stretch of beach till you get near the jetty. Enter the water at your leisure. Once in the water, you can swim north along the jetty to the tip. You may see fish, lobster, crabs and the sort. There are large openings in the rocks that form the jetty. Large enough in fact that you can almost swim into one. I don't advise doing this because getting stuck might be a frightening experience.

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