Which preposition to use with margarite

of Occurrences 2%

In 1596, he published his "Margarite of America," and he mentions that it was written in the Straits of Magellan, on a voyage with Cavendish.

by Occurrences 1%

After spending some time in this new discovery, he sailed back to Trinidad, discovering the island of Margarite by the way.

Which preposition to use with  margarite