Water Monster reports from the 1920s
46 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 · Lake Champlain, Vermont · 1929
Three youths returning from a fishing trip reported seeing a large serpent-like creature in Lake Champlain that thrust its head above the water and lashed the surface with its tail.

Water Monster · Fenwick Island, Delaware · 1925
Three sea captains reported sighting a huge sea serpent, apparently killed by a vessel, off Fenwick Island shoal.

Water Monster · Okanagan Lake, British Columbia · 1926
J. I. Logie and three others in a car witnessed a fifteen-foot-long creature with a sheep-like head racing alongside their vehicle on Okanagan Lake.

Water Monster · Patagonia, Chubut · 1922
Professor Riggs reports that Professor Oneilli claims reports of a plesiosaurus are still being received from the Patagonian wilds despite previous failed searches.

Water Monster · Madison, South Dakota · 1922
Fishermen fear another sea serpent called the "Ro-dree-more," described as a huge whale-like animal so large and powerful that it chases whales for sport.

Water Monster · Lake Champlain, Vermont · 1929
The article reports on the Lake Champlain sea serpent, noting it was first observed by the discoverer of the water and reappeared recently after an interval of 25 years.

Water Monster · British Columbia, Canada · 1927
J. L. Logie reports seeing a strange animal with a sheep-like head and dark body in Okanogan Lake while driving along the shore.

Water Monster · British Columbia, Canada · 1925
John Van Valkenburg reported seeing a dark green, oval-shaped sea serpent with its head and six or eight feet of body above the surface, moving with a slow, wriggling motion.

Water Monster · British Columbia, Canada · 1927
A reputable citizen claims to have seen a large creature with a sheep-like head swimming in Lake Okanogan.

Water Monster · Patagonia, Santa Cruz · 1923
An expedition to hunt a plesiosaurus in Patagonia returned without success, but hopes remain to find the monster reported seen in an Andean lake.

Water Monster · Lake Champlain, Vermont · 1922
Mr. [name] reports that stories concerning an amphibian reptile called the "serpent of Lake Champlain" have been current for nearly 200 years.

Water Monster · Montreal Lake, Saskatchewan · 1929
Witness reports that Indians claim a 30-foot trout-like monster named Namayeush inhabits Montreal lake and destroys fishing gear.

Water Monster · County Kerry, Munster · 1923
Fishermen off Cahirelveen, County Kerry claim to have captured a 30-foot long sea monster weighing ten tons after a six-hour struggle.

Water Monster · Patagonia, Santa Cruz · 1922
Scientists seek proof of a plesiosaurian monster reported seen in a swampy lake in Patagonia.

Water Monster · Loch Lochy, Alba / Scotland · 1929
Two local gamekeepers reported seeing a large living creature in Loch Lochy that they followed for one mile before it dived.

Water Monster · Fairfield, Connecticut · 1922
Jack Slatcher reports that local fishermen are puzzled by a strange fish resembling a monster herring that refuses to bite ordinary bait.

Water Monster · Patagonia, Santa Cruz · 1922
Curate Onelli reported seeing a swan-necked monster with an alligator body swimming in a Patagonia lake, which was claimed to be a live plesiosaurus.

Water Monster · Hay Springs, Nebraska · 1922
J. A. Johnson reports that he and two friends saw a large, horned alligator-like creature in Big Alkali Lake last fall.

Water Monster · Hay Springs, Nebraska · 1925
Bruce Hewett and J. A. Mayes claim to have captured a sea monster in Alkali Lake which turned out to be a mermaid.

Water Monster · Cape May, New Jersey · 1922
Witness reports that Captain Pedro Matisona sighted a sea serpent with a vibrating serpent tail off Cape May and pursued it with a revolver.

Water Monster · Santa Monica, California · 1927
Deputy Sheriff Harry S. Cole reports the sighting of a sea serpent with a fin three feet long sticking out of the water.

Water Monster · Miami, Florida · 1921
Witness reports that scientists and fishermen found the body of a huge sea monster off Soldier's Key near Miami.

Water Monster · Key Biscayne, Florida · 1923
Witness reports a strange sea monster weighing about 1,000 pounds and eight feet long drifted ashore on Key Biscayne.

Water Monster · Niobrara, Nebraska · 1923
A county treasurer reportedly saw a creature in the Niobrara river with the body of a fish and the head of a human.

Water Monster · Vista Santa Rosa, California · 1926
Witness reports that a water monster lives in the springs of Santa Rosa peak and makes strange bellowing noises heard especially at night.

Water Monster · County Mayo, Connacht · 1922
Reports from the west coast of Ireland claim a creature called the "Gorramoo loch" frequently appears at night, described as porpoise-shaped with wings that allow it to leap out of the water to hunt…

Water Monster · Okanagan Lake, British Columbia · 1928
Witness reports that girl guides saw a mysterious monster in Okanagan Lake.

Water Monster · Shoals, Indiana · 1928
Fishermen in Martin County report sighting a monster in the White River that attacked them and deflected rifle fire.

Water Monster · Lake Champlain, Vermont · 1929
The author reports that Lake Champlain's sea monster has reappeared according to press dispatches, noting that while no one they met had seen it, natives knew people who had.

Water Monster · Santa Barbara, California · 1922
Witnesses report a huge sea monster over 70 feet long was sighted off the coast near Santa Barbara and then dived.

Water Monster · Hamilton County, Ohio · 1926
The article discusses reports of sea serpents, citing authenticated statements from the warship Daedalus and Lord Crawford's yacht as resembling prehistoric types.

Water Monster · Mediterranean Sea · 1922
Witness reports a flying sea serpent terrorizing fishermen and sinking boats in the Mediterranean and Aegean seas.

Water Monster · North Dakota · 1922
A man reportedly saw a red, hairy, one-eyed horned creature in the Missouri River that caused him to lose his reason and die.

Water Monster · Florida · 1921
Witnesses report that Captain Charles Mollier and others found a huge sea monster off the coast of Florida which was devoured by sharks, leaving only a skull fragment.

Water Monster · Montgomery, Alabama · 1925
A sea serpent appears in a fictional story to help characters who have fallen into a lake.

Water Monster · Alaska · 1928
Territorial Fish Commissioner A. J. Sprague and Captain Tom Smith reported seeing a 300-foot long greenish-blue sea serpent near Morris Reef, which they shot at before it disappeared.

Water Monster · New York · 1922
The text reports a suspicious tail was beheld churning an Argentine lake.

Water Monster · 1921
Witness reports a black sea monster of an unknown species, resembling a giant shark and weighing two tons, was caught off the New Jersey coast.

Water Monster · Cordova, Alaska · 1922
Witness reports that a water monster shaped like a lizard with jaws and teeth capable of biting the biggest brown bear in Alaska was seen again lately in Brazil's River of Doubt.

Water Monster · Florida · 1923
Witness reports a giant sea monster weighing 33,600 pounds with thick hide was captured off the coast of Florida and lay on the beach for examination.

Water Monster · Canada · 1926
Witness reports a sea serpent appeared off the Canadian coast, described by Capt. C. J. House as having a cylindrical body, greenish-gold appearance, and moving spirally.

Water Monster · Great Falls, Montana · 1922
A headline claims that Pawnees saw a 'water monster'.

Water Monster · Washington, District of Columbia · 1926
The text claims authenticated reports exist of sea serpents existing in the deep sea, attaining lengths of 80 feet.

Water Monster · New England · 1926
Witness reports numerous eye-witnesses claimed to have been within 40 yards of a sea serpent that came to the surface in calm weather with its head 2 feet above water.

Water Monster · Newfoundland and Labrador, Canada · 1923
A fisherman claims he encountered a friendly sea serpent named Rover on the Grand Banks thirty years prior, which followed his schooner and interacted with him before disappearing.

Water Monster · Argentina · 1922
Witness reports that Professor Clement Onelli reported a British huntsman observed a gigantic aquatic lizard in a Patagonian lake.