Mermaid reports in Minnesota
1 case, 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.

Mermaid · Lake Minnetonka, Minnesota · 1889
Witnesses report a dainty sylph-like mermaid appeared at Minitonka beach, bewitching several men who gazed upon her.