The protagonist is carried to an unknown island by the water waves where he struggles hard for survival.

Was it to them an unknown island, ready to become a magazine for stolen cargoes?

They could even calculate where unknown islands would be, from miles away, according to how the water moved around them.

They are washed ashore on an unknown island where gigantic animals live.

Sure enough, the ship reaches an unknown and uninhabited island.

Thereafter, this unknown island began to be coveted by the nobility of the time.

It is about a group of friends who are stranded on an unknown island after a boat crash.

A man requests the king to give him a boat so he can go in search for the unknown island.

He said that all countries and unknown islands were woven into the tapestry.

The ship then arrived at another unknown island, this one with no signs of life.