Shrewsbury Rocks

Shrewsbury / Elberon Rocks

The Shrewsbury Rocks are a wide area of rocky bottom that stretches from fourteen feet of water out to the fifty-foot mark off of Monmouth Beach. Some of the formations are twenty feet tall or more and can be very pretty under good conditions, which are unfortunately seldom this far north. The stone itself is a type of sandstone known as Greensand.

Further south are the Elberon Rocks ( or Grounds. ) This is a wide expanse of somewhat lower rocks and rough bottom. Much lower outcroppings occur even further south, such as the Klondike Rocks.

from AWOIS: 1538

FE331SS/89 -- OPR-C147-HE-89; CONTACT #12 FROM ABOVE SURVEY; DIVERS FOUND A LARGE ROCK THAT WAS COVERED WITH CORAL AND OTHER SEA LIFE, AND HUNDREDS OF LEAD FISHING WEIGHTS; SURROUNDING BOTTOM WAS SAND; ROCK HAS A VERY STEEP NORTH FACE AND, AT THAT POINT, RISES ABOUT 8 FT OFF THE BOTTOM; PNEUMATIC DEPTH GAUGE LEAST DEPTH OF 46 FT. (UPDATED MSD 7/91)

Shrewsbury / Elberon Rocks
Looks almost like a Caribbean reef. Almost ...
Shrewsbury / Elberon Rocks
Shrewsbury / Elberon Rocks
Colorful sponges, coral, hydroids, and anemones
Shrewsbury / Elberon Rocks
Shrewsbury / Elberon Rocks
A section of sandstone sawn-through by the boat's anchor chain
Shrewsbury / Elberon Rocks
Ledges and crevices
Shrewsbury / Elberon Rocks
Shrewsbury / Elberon Rocks
A rocky pinnacle

George Washington is reported to have fished the Shrewsbury Rocks, and on any nice day you can easily make out the location of the rocks from high on Twin Lights by the concentration of boats there. The Shrewsbury Rocks are tall enough in places to merit not just one but two navigation buoys.

Images courtesy of
Donna L. Blaszcak
uwimages@earthlink.net
Nature Photographer

Shrewsbury Rocks at lower-left in this NOAA side-scan imagery
Close-up, with Twin Lights at upper-left

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Klondike Rocks
The low, shelf-like structure of the rocks, which seldom rise
more than two feet above the bottom. Cunners

These low outcroppings appear in small to large patches over a two-mile area called the Klondike, and elsewhere, at depths ranging from 60 to 90 feet. The overhangs, crags, and holes afforded by the piles of rocks and boulders provide excellent homes for fish and lobsters. Visibility can be great here at times, but it is usually 10-20 ft, with a silty bottom in most places. The larger areas extend for many hundreds of feet, and an incautious diver can easily get lost. The stone itself is a type of sandstone known as Greensand, which occurs along the northern part of the New Jersey coast, and parts of Long Island, most famously as the Shrewsbury Rocks.

Printed from njscuba.net