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


Shipwreck Larchmont
Type:
shipwreck, steamer, USA
Built:
1885, Goss & Sawyer, Bath ME USA
Specs:
( 252 x 37 ft ) 1605 tons, 351 passengers & crew
Sunk:
Monday February 11, 1907
collision with schooner Harry Knowlton - 334 casualties
Depth:
140 ft

huge paddlewheels; wooden hull draped with fishing nets; hazardous currents & poor viz.



Shipwreck Atlantic
Type:
shipwreck, steamer, USA
Built:
May 1846, Jeremiah Simonson, New York NY USA
Specs:
( 320 x 36 ft ) 1112 gross tons, 75 passengers & crew
Sunk:
Friday November 26, 1846
boiler explosion; then grounded during storm on Fisher's Island - 45 casualties
Depth:
20 ft

Shipwreck Volund
Type:
shipwreck, steamer, Norway
Built:
1889, Norway
Specs:
( 239 ft )
Sunk:
Sept 26, 1908; collision with liner Commonwealth
Depth:
105 ft

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.


Shipwreck Olinda
Type:
shipwreck, steamer, Portugal
Built:
1887, England
Specs:
( 250 x 36 ft ) 1479 gross tons
Sunk:
Tuesday June 11, 1895
ran aground on Fisher's Island - no casualties
Depth:
20 ft
Long Island Sound

Cormorant

What do you get when you cross a pigeon with a duck?

Phalacrocorax auritus

This large ( 27", wingspan 50" ) seabird is more likely to be seen around backwaters than in the open ocean. Cormorants seem rather poorly adapted to their lifestyle - they barely float, and their feathers are not waterproof like other waterfowl. As a result, they can often be seen standing on rocks and pilings or in trees in just this pose, sunning themselves to warm up and dry out after diving for fish. Despite this apparent disadvantage, they are quite successful and even manage to over-winter in the area. Cormorants are amazing swimmers and divers, able to catch fish underwater in their own environment.

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