Where and when to see marine iguanas
The world's only sea-going lizard, found only in the Galápagos, where it dives to graze algae in cold water.
This guide documents sightings in 1 Good Dives region.

Marine iguanas sighting calendar
Calendar months, every year
Peak = best odds · ● = regularly seen · blank = unlikely.
Calendars describe animal presence, not weather or site access; check each region’s dive season. For grouped animals, a marked month may apply to only one member of the group. Sightings vary by site and dive.