There's no I in Island! Oh wait...
This is the largest island in the world divided between multiple countries
What is New Guinea?
This small island in the Bay Area was the location of the first lighthouse on the West Coast of the US
What is Alcatraz Island?
This is the largest country whose territory comprises exactly one island and nothing else
What is Naoero?
This is the second-largest island in the Tristan da Cunha archipelago
What is Gough Island?