Other Aquatic reports in Massachusetts
11 cases, best-documented first. Page 1 of 1.
We map claims, not creatures. A case is what some source says someone saw or heard, with the link to that source. It is not proof that anything was there, and a retelling counts once, not as a second sighting.

Other Aquatic · Essex County, Massachusetts · 1818
Several persons made affidavits in 1818 to having seen a sea monster off Cape Ann.

Other Aquatic · Massachusetts · 1938
The crew of the Giuseppe reported a black winged serpent with a horse-like head emerging from the water.

Other Aquatic · Worcester County, Massachusetts · 2016
Witness reports hearing splashes and seeing a rock thrown across a swamp while riding a four-wheeler near Fort Hill Road.

Other Aquatic · Nahant, Massachusetts · 1833
Passengers in a small boat testify to approaching within ten feet of the Sea Monster which passed under their bow at a rapid rate.

Other Aquatic · Boston, Massachusetts · 1945
Donald Snow holds a 90-pound sea monster caught by his brother Edward Row Snow while fishing in Boston harbor.

Other Aquatic · Nantucket Island, Massachusetts · 1937
The narrator reports a sea monster sighted near Nantucket that grabbed the yacht Endeavour II and left footprints on the beach.

Other Aquatic · Swampscott, Massachusetts · 1875
Four ladies and gentlemen plus two sailors saw an animal resembling a sea serpent near Swampscott with a huge head rising from the water.

Other Aquatic · Gloucester, Massachusetts · 1880
Men rowing near Gloucester saw a huge snake-like creature pursuing a seal.

Other Aquatic · Lynn, Massachusetts · 1847
Witnesses report seeing a serpent-like creature near Lynn that drove mackerel and lifted dangerous jaws before swimming away.

Other Aquatic · Gloucester, Massachusetts · 1880
Mr. G. H. Putnam, Mr. C W. Pool, and Gloucester people saw a dark brown monster with humps swimming with great speed.

Other Aquatic · Massachusetts · 1818
Several persons made affidavits to having seen a sea monster off Cape Ann.