因为你是早晨到，傍晚离开，停留时间不超过24小时。但是你需要去港口所在国家的签证网页确认。下面是土耳其的有关规定，游船旅客可以72小时免签。
Question: I am taking a Mediterranean boat cruise with my family. Our ship will also visit Kuşadası. Do we need visas to enter Turkey?
Answer: Foreigners who are travelling to Turkey by cruises are allowed to enter Turkey without visa for a maximum period of 72 hours, with the permission given by the local security authorities.
Question: I will be flying to Europe. I know that our aircraft will land in İstanbul. I am not planning to leave the transit lounge. Do I need to get transit visa?
Answer: If you will not leave the transit lounge at the airport you are not required to have transit visa. Otherwise, you have to make visa application to the nearest Turkish Representation. Contact information of the said missions can be reached through www.mfa.gov.tr (Ministry/Turkish Representations).
