Is ston on an island?

Excuse me, but could you please clarify what you mean by "Is ston on an island?"? Are you referring to a specific individual named Ston, or is this a misspelling of "stone" or another word? Assuming you're asking if a certain individual named Ston is located on an island, it's important to note that without more context, it's difficult to provide a definitive answer. Typically, one would need to know more about Ston's current whereabouts or any relevant circumstances surrounding their potential location on an island. Could you provide any additional information that might help clarify your question?