Water Monster reports from the 1840s
42 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.

Water Monster · Barnstable County, Massachusetts · 1843
Captain Wales reports that he and Mr. [name], along with part of the crew, observed a huge sea monster resembling an eel rising vertically from the water near Cape Cod for about half an hour.

Water Monster · Nahant, Massachusetts · 1849
Witness reports that John Marston and two other gentlemen observed a large serpent-like creature in the water off Nahant Beach for 15 to 20 minutes.

Water Monster · Boothbay, Maine · 1844
Witness reports that the Sea Serpent was seen by the skipper and crew of the Temperance Mary, described as being bigger than a houseboat and two hundred feet long.

Water Monster · Red Wing, Minnesota · 1848
Officers of H.M.S. Daedalus reported sighting a singular object in the water that looked like a long lizard or serpent with visible eyes, mouth, and nostril.

Water Monster · Stroudsburg, Pennsylvania · 1845
Witness reports that Dr. [name] found monster bones in Alabama which are claimed to belong to a sea serpent measuring at least 125 feet long.

Water Monster · Cape of Good Hope, Western Cape · 1848
Captain McQuhas and his men on the warship Daddalus reported seeing a large sea serpent-like monster in 1848.

Water Monster · Málaga, Andalucía · 1843
Captain Wales reports seeing a huge sea monster resembling an eel rise vertically from the water near his ship.

Water Monster · Glynn County, Georgia · 1849
Captain Adams reports that he, his crew, and passengers observed an immense sea monster resembling a serpent with a snake's head and large fins or claws off Cumberland Island.

Water Monster · Charleston, South Carolina · 1842
A correspondent reports that a great sea monster caught near Charleston is now being exhibited in Baltimore.

Water Monster · Rockingham County, New Hampshire · 1841
Witness reports the capture of a sea monster 80 feet long and 8 feet in girth at Hampton Reach.

Water Monster · Cabo de Hornos, Región de Magallanes y de la Antártica Chilena · 1849
A rumor claims the clipper ship Sophia Walker was chased by a massive sea serpent around Cape Horn.

Water Monster · Río Pastaza, Ecuador · 1845
Father Manuel Casirucci de Wrnazzi claims to have killed a massive serpent in the Pastaza river that could draw in prey with its breath and swallow entire animals.

Water Monster · Barnstable, Massachusetts · 1846
Witness reports that a sea serpent was seen in shallow water in the harbor on Monday afternoon.

Water Monster · Village of East Rockaway, New York · 1845
Witnesses in Rockaway reported seeing a sea serpent with a singularly shaped head lifting eight or ten feet out of the water before it was identified as a ship's mast.

Water Monster · Portsmouth, New Hampshire · 1848
A sea serpent was seen off Portsmouth, N.H. in 1848.

Water Monster · Porto, Portugal · 1848
A naval officer on the Plumper saw a sea serpent near Oporto and drew its picture.

Water Monster · Cape May, New Jersey · 1845
A letter from Cape May describes a singular sea monster approximately sixty or seventy feet long that appeared near the location, lying on the water and blowing a jet of water.

Water Monster · Nahant, Massachusetts · 1847
Witnesses report that a sea serpent resembling a long string of barrels appeared in Nahant when visitors were scarce, though none have been seen this year due to the crowds.

Water Monster · Cape Charles, Virginia · 1846
Capt Lawson described a monster snake seen from his vessel with a length of 100 feet and sharp productions on its back.

Water Monster · Montpelier, Vermont · 1842
Capt. Wales reports seeing a huge sea monster rising 30 or 40 feet above the surface near Cabo Cid.

Water Monster · Alexandria, Virginia · 1845
Witness reports that Dr. [name] found monster bones in Alabama which are claimed to belong to a sea serpent measuring at least 125 feet long.

Water Monster · Montpelier, Vermont · 1849
Witness reports another or the same Sea Serpent was seen by a different party on August 25th.

Water Monster · Canada · 1840s
The text reports that sea serpents were seen along the US and Canadian coasts in the 19th century.

Water Monster · Ripley, Mississippi · 1845
Witness reports that monster bones found by Dr. [name] in Alabama have been arranged and exhibited in New York, with the animal claimed to measure at least one hundred and twenty-five feet long.

Water Monster · New York · 1848
Captain McQuhae and his officers report seeing an enormous serpent with head and shoulders out of the water in 1848.

Water Monster · Camden, South Carolina · 1841
Witnesses who believe in the existence of a huge sea monster claim it was seen from time to time in Boston Bay.

Water Monster · Waterbury, Connecticut · 1845
A Norwegian captain reported to the Norwegian Society of Natural History that he and his crew chased a sea serpent for three miles before it escaped in shallow water.

Water Monster · 1845
Captain McQuhal asserts in an official report that he saw an enormous serpent approaching his ship.

Water Monster · Norway · 1845
Norway papers described a monster fish animal seen by many people, supposed to be seventy to one hundred feet long with a black color.

Water Monster · Los Angeles, California · 1848
The British ship Daedalus encountered a sea serpent in 1848 which was distinctly seen by many passengers.

Water Monster · Alexandria, Virginia · 1840
A passenger on the Great Western reports a daily journal entry describing an encounter with a sentient sea serpent that challenged the ship to a race.

Water Monster · Massachusetts · 1848
Witnesses assert their right to be believed regarding sightings of a great monster off the New England coast, specifically citing Captain McQuaede and Mr. [name].

Water Monster · Concord, New Hampshire · 1845
A letter found in a bottle claims the writer's schooner was swallowed by a monstrous sea serpent near Cape Cod.

Water Monster · Norway · 1845
Witness reports a sea serpent was seen bathing between islands and swimming in the fjords of Norway, described with a boat-like head and serpentine movement.

Water Monster · Virginia · 1846
Witness reports that Captain Lawson and his hands observed a large moving body with a head and mouth off the coast of Virginia, which they identified as a sea serpent.

Water Monster · 1845
Captain McQuhal reported seeing an enormous serpent swimming rapidly towards his ship.

Water Monster · Atlantic Ocean · 1848
Witness reports Captain McQuhae and his crew saw a sea serpent more than sixty feet long with no fins.

Water Monster · United Kingdom · 1848
Officers of the British Frigate Daedalus reported seeing a Sea Serpent near St. Helena.

Water Monster · Indonesia · 1849
Capt M’Quhae reported seeing a sea serpent with a mane like a horse in the East Indies.

Water Monster · Boston, Massachusetts · 1848
Witness reports that Captain M'Quhae and most of his crew saw a sea serpent for twenty minutes as the Doedalus passed between the Cape of Good Hope and St. Helena.

Water Monster · New York · 1845
A skeleton of a monstrous sea serpent measuring 114 feet in length is being exhibited at the Apollo Rooms.

Water Monster · Africa · 1848
Witness reports that Capt. Mcluhae and the crew of H. M. S. Daedalus observed an enormous serpent off the southwest coast of Africa.