Victor Mastrone, Massachusetts Board of Underwater Archaeological Resources,
identified it as likely the wreck of the Schooner Ingomar. The schooner built in 1904 went aground in 1936. (Shipwrecks are protected archaeological sites. Please do not dig or remove any artifacts).
According to an article in the Boston Herald (February 19, 1936):
“The Ingomar crashed ashore on Plum Island during the night.
Her hull was split and it was believed she would break up within a week. When
Capt. John Atwood saw the vessel’s plight, he order the men to take to the
dories, and night got off safely. Henry White and John Whalen were unable to
lower a boat and took to the rigging. They were taken off after a weary vigil
by a crew from Knobbs Beach coast guard station on Plum Island.”
Boston Herald February 19, 1936
Boston Herald March 1, 1936
Evening Star (Washington, D.C.) February 23, 1936