Two species of sea lions inhabit the Galápagos; the sea lion (Lobo marino or Zalophus californianus wollebaeki) and the Fur seal ( Lobo de dos pelos or Arctocephalus galapagoensis). Total estimated population 80.000 individuals.

The most sighted whale is the Bride´s Whale (Balaenoptera Edeni).

Also Sperm Whales (Physeter Macrocephalus)

Killer Whales (Orcinus Orca)  (Megaptera Novaeangliae), and others.

The Bottlenosed dolphins (Delfín nariz de botella or Tursiups truncatus) swim in front of the boats giving you an opportunity to take their picture

The small Common dolphins ( Delfín común or Delphinus delphis) likes to jump off the waves made by the boats.