| Name of Animal (if any) | Body of Water | Country |
Description | Date(s) |
| Skrimsl (general name for Icelandic water monsters) | Lagarflot (fresh water lake) | eastern Iceland | summer 1345, 1749, 1750, 1819 | |
| Thorskafjord | Iceland's north coast near Grimsy Island. | Left tracks onshore | 1819 | |
| Lake M�vata | Iceland | |||
| offshore sea serpents | Iceland | 1345, 1749, 1819 (twice), 1860, July 1867 |