| Name | Class | C. | Type | Icons | Traits | Set | Encounter |
|---|---|---|---|---|---|---|---|
| Tidal Pool | Mythos | Local | Cave. | The Innsmouth Conspiracy 103 | Flooded Caverns 3-4 | ||
| Underground River | Mythos | Local | Cave. | The Innsmouth Conspiracy 104 | Flooded Caverns 5-6 | ||
| Underwater Cavern | Mythos | Local | Cave. | The Innsmouth Conspiracy 102 | Flooded Caverns 1-2 |