| Name | Class | C. | Type | Icons | Traits | Set | Encounter |
|---|---|---|---|---|---|---|---|
| Aquatic Ambush | Mythos | Treachery | Scheme. | Devil Reef 185 | Devil Reef 30-31 | ||
| Awakened Mantle | Neutral | 1 | Asset | Item. Relic. Clothing. | Devil Reef 180 | Devil Reef 22 | |
| Black Reef | Mythos | Location | Ocean. Island. | Devil Reef 173 | Devil Reef 11 | ||
| Bootlegger's Hideaway | Mythos | Location | Cave. | Devil Reef 174 | Devil Reef 12 | ||
| Bootlegger's Hideaway | Mythos | Location | Cave. | Devil Reef 174 | Devil Reef 13 | ||
| Churning Waters | Mythos | Location | Ocean. | Devil Reef 168 | Devil Reef 6 | ||
| Cyclopean Ruins | Mythos | Location | Cave. Y'ha-nthlei. | Devil Reef 176 | Devil Reef 16 | ||
| Cyclopean Ruins | Mythos | Location | Cave. Y'ha-nthlei. | Devil Reef 176 | Devil Reef 17 | ||
| Deep One Grotto | Mythos | Location | Cave. Y'ha-nthlei. | Devil Reef 175 | Devil Reef 14 | ||
| Deep One Grotto | Mythos | Location | Cave. Y'ha-nthlei. | Devil Reef 175 | Devil Reef 15 | ||
| Deep One Predator | Mythos | Enemy | Humanoid. Monster. Deep One. | Devil Reef 182 | Devil Reef 24-25 | ||
| Devil Reef | Mythos | Scenario | Devil Reef 163 | Devil Reef 1 | |||
| Dragged Under | Mythos | Treachery | Scheme. Terror. | Devil Reef 188 | Devil Reef 36-38 | ||
| Fishing Vessel | Neutral | Asset | Vehicle. | Devil Reef 178 | Devil Reef 20 | ||
| Headdress of Y'ha-nthlei | Neutral | 1 | Asset | Item. Relic. | Devil Reef 181 | Devil Reef 23 | |
| Hidden Cove | Mythos | Location | Ocean. Island. | Devil Reef 170 | Devil Reef 8 | ||
| Horrors from the Deep | Mythos | Treachery | Terror. | Devil Reef 186 | Devil Reef 32-33 | ||
| Hunting Deep One | Mythos | Enemy | Humanoid. Monster. Deep One. | Devil Reef 183 | Devil Reef 26-27 | ||
| Lonely Isle | Mythos | Location | Ocean. Island. | Devil Reef 169 | Devil Reef 7 | ||
| Reef of Mysteries | Mythos | Act | Devil Reef 167 | Devil Reef 5 | |||
| Salt Marshes | Mythos | Location | Ocean. Island. | Devil Reef 172 | Devil Reef 10 | ||
| Secrets of the Sea (v. I) | Mythos | Agenda | Devil Reef 164 | Devil Reef 2 | |||
| Secrets of the Sea (v. II) | Mythos | Agenda | Devil Reef 165 | Devil Reef 3 | |||
| Shapes in the Water | Mythos | Treachery | Terror. | Devil Reef 184 | Devil Reef 28-29 | ||
| Stowaway | Mythos | Treachery | Scheme. | Devil Reef 187 | Devil Reef 34-35 | ||
| Temple of the Union | Mythos | Location | Cave. Y'ha-nthlei. | Devil Reef 177 | Devil Reef 18 | ||
| Temple of the Union | Mythos | Location | Cave. Y'ha-nthlei. | Devil Reef 177 | Devil Reef 19 | ||
| The Devil of the Depths | Mythos | Agenda | Devil Reef 166 | Devil Reef 4 | |||
| Waveworn Idol | Neutral | 1 | Asset | Item. Relic. | Devil Reef 179 | Devil Reef 21 | |
| Waveworn Island | Mythos | Location | Ocean. Island. | Devil Reef 171 | Devil Reef 9 |