Water Monster reports in Michigan
4 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 · Alger County, Michigan · 2023
Witness reports seeing a long green serpentine creature swimming near the surface of the water at Pictured Rocks in July 2023.

Water Monster · Thunder Bay, Michigan · 1888
Witness reports that Isaacson's boy Grant saw a huge snake near Thunder Bay and fired at it, while his father later examined the tracks.

Water Monster · Detroit River International Wildlife Refuge, Michigan · 1835
Witness reports a regular built Snake of male appearance, seventy five feet in length with hunches, floating down the Detroit river with its head elevated.

Water Monster · Alpena, Michigan · 1888
Residents along Thunder Bay are terrified by a monster lake serpent after farmer Isaacson found a wide trail leading to the bay.