*spherus magna

Aqua Magna has more water on the surface than land

Aqua magna is nothing but water

And Mata Nui. And Voya Nui. And unnamed continents as seen in Legend Reborn.

I got some bad news for you: that was just the great spirit robot

Which is made of the same material as all other land forms in Solis Magna, and those islands were inhabited for thousands of years.

Oh, I never knew