Water Monster reports in New Hampshire
10 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 · Rockingham County, New Hampshire · 1830
Witnesses report a sea serpent near the Isle of Shoals, with one crew sighting it within twenty feet and another describing its size and appearance.

Water Monster · Portsmouth, New Hampshire · 1839
Witnesses on a schooner report seeing a large sea serpent with an elephant-like head and long line of humps moving rapidly off Portsmouth Harbor.

Water Monster · Lake Sunapee, New Hampshire · 1935
Dr. [name] claims to have encountered gargantuan lake monsters while fishing at Lake Sunapee and provides snapshots as evidence.

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 · Portsmouth, New Hampshire · 1831
A sea serpent was reported seen off Portsmouth, N.H.

Water Monster · Coös County, New Hampshire · 1887
P.T. Barnum claims to believe in the existence of a huge sea serpent and has renewed his offer of $20,000 for its capture.

Water Monster · Portsmouth, New Hampshire · 1831
A sea serpent was reported seen off Portsmouth, N.H.

Water Monster · Portsmouth, New Hampshire · 1831
A sea serpent was reported seen off Portsmouth.

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

Water Monster · Hampton Beach, New Hampshire · 1831
Witness reports a large dark sea monster with protuberances along its back was observed for fifteen minutes near the beach.