A small islet resulting from an uplift of sand, made up of coral reefs and rocks.

It boasts one of the largest sealion colonies in the Galapagos archipelago, it is a visitor site on many cruise itineraries due to its proximity to the airport on Baltra island.

there are ocassional reports of Orca whales seen praying on the sea lion colony. It is also home to many sea birds.

Land Visitor Sites

There is a very nice beach on Mosquera and since Island is mainly flat there is an easy trail leading past the sea lion colony and a nesting area for Lava Gulls. You can also spot marine iguanas, blue footed boobies and sally light food crabs. It is a fun snorkeling site, just swimm off of the beach, there’s a good chance snorkelers will be joined by one of the numerous sea lions who live at this Island.

Marine Visitor Sites

An easily accessed scuba diving site, Mosquera is located between North Seymour and Baltra. Maximum depth for this dive site is 30m and currents are generally mild. This site is famous for the sea lions that come and play during the dive. Sharks, turtles, rays, barracudas and tropical fish are common in this area.