If a cruise ship leaves you behind in a foreign port and you do not have your passport, you are in a very difficult legal and financial situation. Most cruise lines will check your cabin for essential items like your passport and medication and leave them with a Port Agent on the pier, but this is not guaranteed. Without a passport, you cannot fly home or board a plane to the next port. Your first step must be to contact the local Consulate or Embassy of your home country to apply for an emergency travel document, which can take days and cost hundreds of dollars. You are also responsible for all costs related to hotels, meals, and new travel arrangements. This is why seasoned cruisers always recommend carrying a photocopy of your passport while on shore and keeping the Port Agent's contact info (found on the daily newsletter) in your phone. Missing the ship is a "vacation-ending" event for many, often resulting in a bill of several thousand dollars to get back home.