This list was compiled by Pam Thuringer of Archipelago Marine on May12, 2005. She examined the west side of the docks exposed at a 0.35m tide. This is the area that will be impacted by the construction of the conduit to carry electrical cables from the Tidal Current generator up to the island,
| General Group | Species | Occurence |
| Brn. Algae | Nereocystis luetkeana | sparse |
| Fucus sp. | sparse | |
| Leathesia difformis | sparse | |
| Hedophyllum sessile | abundant | |
| Alaria marginata | abundant | |
| Costaria costata | few | |
| Red Algae | Mazzaella splendans | few |
| Mastocarpus pappilatus | sparse | |
| Halosaccion glandiforme | few | |
| Lithothamnion sp. | few | |
| Odonthalia floccosa | sparse | |
| Polysiphonia sp. | sparse | |
| Coralline algae. several species | sparse | |
| Porphyra perforata | sparse | |
| Endocladia muricata | sparse | |
| Green Algae | Ulva sp. | sparse |
| Acrosiphonia sp. | few |
| Invertebrates | Balanus glandula | many |
| Semibalanus cariosus | many | |
| Hemigrapsus nudis | few | |
| Mytilus californianus | few | |
| Sponge ( orange encrusting species) | few | |
| Katharina tunicata | few | |
| Littorina scutulata | many | |
| Tectura persona | few | |
| Lottia pelta | few | |
| Anthopleura elegantissima | few | |
| Lirubuccinum dirum | few |