A = Abundant; C = Common; CL = Common locally;
U= Uncommon; UL = Uncommon locally; R = Rare

Sea otter, Enhydra lutris - CL
River otter, Lutra canadensis - C (rocky intertidal)
Harbor seal, Phoca vitulina - A
Northern Fur Seal, Callorhinus ursinus - Occasional
Steller's sea lion, Eumetopias jubatus - U
California sea lion, Zalophus californianus - U
Northern elephant seal, Mirounga angustirostris - R
Gray whale, Eschrichtius robustus - C (spring and fall)
Minke whale, Balaenoptera acutorostrata - U (summer and fall)
Humpback whale, Megaptera novaeangliae - U (fall)
Harbor porpoise, Phocoena phocoena - CL (summer)
Orca or Killer whale, Orcinus orca - U (summer and fall)
Dall’s porpoise, Phocoenoides dalli - U
Pacific white-sided dolphin, Lagenorhynchus obliquidens - U