Yes, it is possible to disembark a cruise ship early, but the process is governed by strict maritime laws and cruise line policies. If you need to leave for an emergency, the ship's guest services will coordinate with local port authorities to clear you through customs and immigration, though you are responsible for all travel costs. For voluntary early disembarkation (e.g., wanting to end your trip in a different city), you must request permission from the cruise line at least 24–48 hours in advance. In the U.S., the Passenger Vessel Services Act (PVSA) prohibits foreign-flagged ships from transporting passengers between two different U.S. ports, so you cannot typically end a domestic cruise early without facing a significant fine (around $941 per person). In Europe and other regions, the rules are more flexible, but you must always ensure you have the proper visas to "enter" the country at a port that was not your scheduled final destination.