Other Aquatic reports from the 1810s
5 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 · Ten Islands Historic Park, Alabama · 1810s
Witnesses report seeing a huge snake-like water creature at Ten Islands which they shot and killed.

Other Aquatic · Niagara County, New York · 1815
A herald reports that a great serpent in the Tonawanda Swamp has been destroying poultry and small stock, and is feared to have swallowed a child.

Other Aquatic · United Kingdom · 1811
John M'Isaac swore he saw a mermaid-like animal on a black rock off the coast of Kintyre for nearly two hours.

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