Shark River Artificial Reef

15.6 Nautical Miles off Manasquan
Depth: 120-140 ft
Stolt Dagali Captain Bart Steven McAllister APL-31      Mako Mania  Billy D     Coney Island USS Algol   San Berman  Alan Martin

Shark River Artificial Reef

The Shark River reef is tucked into a corner between the Mud Hole and the Barnegat shipping lane, which happens to be in close proximity to the wreck of the Stolt Dagali. It has a minimum depth for navigational purposes of 50 ft ( 8 fathoms ) at mean low water. Shark River is the deepest of all New Jersey reef sites, with an average bottom depth of 125 ft, although scour holes around larger vessels may be much deeper.

Shark River Reef depths

I have omitted the Redbirds from the chart, as they are no longer there. There were two clusters in the mud at the southern end of the reef, and one cluster atop the rock ridge at the northern end. Those are the cars in the pictures below.

The extensive rock ridges along the north and east sides of this reef are evident in this side-scan. A smaller ridge to the west forms a box, to "keep the draggers out."
Sam Berman Alan Martin Billy D Mako Mania Coney Island Algol /Captain Bart APL-31 Redbirds Rock Ridges
Take a submarine trip around the Shark River Reef via side-scan sonar

Side-scan sonar animation courtesy of Army Corps of Engineers

This reef got off to a big start, with three tankers sunk in one day - the Coney Island first, and then the "twins" Sam Berman and Alan Martin. The Shark River Reef is often referred to as "The Parking Lot" by charter boat operators. In addition to the vessels shown, the Shark River Reef also contains a great deal of rock and rubble.

Side-scan sonar mosaic of the Shark River Reef

Side-scan sonar mosaic of the Shark River Reef, showing the partially-built rock ridges along the top, the Coney Island at lower right, and the massive Algol at the center, along with various other wrecks and concrete drops. The Captain Bart is visible just below the rock ridges, the APL-31 is NNW of the Algol, and the Alan Martin / Sam Berman duo is NW of the Coney Island. The tiny HRFA is just a speck among the concrete mounds, and the Mako Mania is visible south of the Algol.

Mosaic image courtesy of SAIC.

Sam Berman and Alan Martin reefs
The Sam Berman ( right ) and the Alan Martin ( left ) together.
Not quite twins.
Sam Berman and Alan Martin reefs
Alan Martin ( left ) and Sam Berman ( right ) under tow.

Captain Bart reef
Type:
artificial reef, tanker, US Navy ( YW-83 class / YO-65 class )
Built:
1944, RTC Shipbuilding, Camden NJ USA, as YOG-58
Specs:
( 174 x 33 ft ) 1390 displacement tons (full)
Sponsor:
GPPCBA, Crown Beer Distributors, Budweiser
Dedication:
Captain Bart Rozanski
Sunk:
Friday June 9, 2000 - Sea Girt Artificial Reef
GPS:
40°07.103' -73°41.479'
Depth:
130 ft

Shipwreck Stolt Dagali
Type:
shipwreck, tanker, Norway
Name:
Stolt is the name of the line that owned the ship; it translates "proud". Dagali is a mountain valley in Norway.
Built:
1955, Denmark, as Dagali
Specs:
( 582 x 70 ft ) 12723 gross tons, 43 crew
Sunk:
Thursday November 26, 1964 ( Thanksgiving day )
collision with liner Shalom ( 25,338 tons ) - 19 casualties
Depth:
130 ft, starts at 60 ft

USS Algol reef
The Algol just prior to sinking, November 1991.
Type:
artificial reef, Andromeda class attack transport ( freighter ), U.S. Navy, also known as a "Victory Ship", although often incorrectly referred to as a Liberty Ship
Name:
One of a series of Navy transports named for stars;
Algol is a star in the constellation Perseus, also known as the Demon star.
Built:
1943; Oakland CA USA, as James Barnes
Specs:
( 459 x 63 ft ) 13910 displacement tons, 429 crew *
* this figure almost certainly includes embarked Marines
Sponsor:
Federal Aid in Sportfish Restoration
Sunk:
Thursday November 22, 1991 - Sea Girt Artificial Reef
GPS:
40°06.545' -73°41.450'
Depth:
145 ft +, starts at 70 ft, main deck at 110 ft

Alan Martin reef
Type:
artificial reef, tanker, US Navy, YO-20 class
Built:
1918, New York NY USA, as YO-31
Specs:
( 161 x 25 ft ) 335 tons light, 911 tons full-load
Sponsor:
Crystal Oil Corporation, Marine Trades Assn. of NJ, Fisherman Magazine
Sunk:
Thursday September 10, 1987 - Sea Girt Artificial Reef
GPS:
40°06.440' -73°41.130'
Depth:
125 ft

Coney Island reef
Type:
artificial reef, tanker, sludge
Built:
1938, Staten Island NY USA
Specs:
( 250 x 40 ft )
Sponsor:
Crystal Oil Corporation, Marine Trades Assn. of NJ, Fisherman Magazine
Sunk:
Thursday September 10, 1987 - Sea Girt Artificial Reef
GPS:
40°06.285' -73°41.365'
Depth:
125 ft, starts at 80 ft

rock reef
A hopper barge full of rock

All manner of concrete, steel, and stone rubble from dredging, demolition projects, and other construction is used as artificial reef materials. This material is generally available at very low cost or free from construction companies who are more than happy to get rid of it. Transportation costs determine where this material is used by the Reef Program.


Red & Purple Algae
Red & Purple Algae

Red algae actually vary in color from straw-yellow to deep-purple or black in appearance.

Agardh's Red Weed - Agardhiella subulata is very common and grows in tufts and clumps to about 12" in sunny shallow areas.

Laver or Porphyra ( above ) is similar to Ulva in many ways, although unrelated. It grows interspersed with Ulva in shallow sunny areas, and like Ulva, it is edible.

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