This compilation of synonyms and selected subsidiary features of Loihi may not be comprehensive. Subsidiary features are organized into four major categories: Cones, Craters, Domes, and Thermal Features. A name that appears in brackets is preceded by its synonym. In some cases additional feature type, location, or elevation details are provided.
| Name | Type | Elevation | Latitude | Longitude |
| LOIHI | Submarine volcano | -975 m | 18.92°N | 155.27°W |
| Caldera | ||||
| Lava cones |