Yes, cruise ships have holding cells, but they are not jails in the traditional sense
Most large cruise ships do have a brig — a small holding area where crew can detain a passenger who has committed a crime or poses a safety risk. These are not full jails. They are typically one or two small rooms with a bed, toilet, and sink, located below deck near the security office. The space is designed to hold someone temporarily until the ship reaches port, not to house them long-term.
The ship's security team runs the brig, and the captain has legal authority over it while at sea. Once the ship docks, local law enforcement takes over. If you are detained on a cruise ship, you will almost certainly be handed to port authorities within hours or days, not kept aboard for weeks or months.
Not every cruise ship has a brig. Smaller vessels and some river cruises do not. But any ocean-going cruise ship that carries hundreds of passengers will have one.
Key Takeaways
- Cruise ship brigs are temporary holding areas, not jails, and are used only until the ship reaches the next port.
- The ship's captain has authority to detain you at sea, but local police take custody once the ship docks.
- Common reasons for detention include assault, theft, disorderly conduct while intoxicated, and threats to other passengers or crew.
- You will be charged under the laws of the country or state where the ship is docked when you are released to authorities.
- Cruise lines can ban you from future sailings and may pursue civil claims for damage or theft.
What crimes lead to detention on a cruise ship
The most common reason passengers are detained is intoxication-related conduct — fighting, verbal abuse, or disorderly behavior in public areas. Cruise ships have strict alcohol policies, and crew will isolate a passenger who is a danger to themselves or others.
Theft is the second major reason. Stealing from other passengers, crew, or the ship itself triggers when ready detention and a search of your cabin. Cruise lines have sophisticated security systems and can often identify a thief within hours.
Sexual assault, threats of violence, and damage to ship property also result in detention. The captain's authority is broad — if you pose a safety or security risk, crew can confine you to your cabin or the brig without a warrant or formal charges.
Drug possession is treated seriously. If crew finds illegal drugs in your cabin or on your person, you will be detained and the ship will divert to the nearest port so you can be handed to local authorities.
How long you can be held and what happens next
There is no legal limit to how long a cruise ship can hold you in the brig. In practice, most detentions last fewer than 24 hours because ships are constantly moving toward a port. Once the ship docks, you are transferred to local police or coast guard custody within hours.
The port where you are released depends on the ship's itinerary and the severity of the incident. If the offense is minor, the ship may wait until the next scheduled port. If it is serious — assault, drug trafficking, or a threat to the ship — the captain can divert to the nearest port when ready, which costs the cruise line tens of thousands of dollars and makes them very motivated to hand you over quickly.
Once you are in the custody of local authorities, you are subject to that jurisdiction's criminal laws. If the ship was in international waters when the incident occurred, the country where the ship is registered usually has jurisdiction. If the ship was in U.S. territorial waters, federal law applies. If the ship is docked, the laws of that port city or country explore.
Your legal rights while detained on a ship
Your rights depend on where the ship is located and what country it is registered in. In U.S. waters, you have the right to be told why you are being detained, though the captain does not have to read you Miranda rights while at sea. You do have the right to contact a lawyer, though communication may be limited if the ship is far from shore.
You do not have the right to bail or release while the ship is at sea. The captain's decision to detain you is not subject to a judge's review until the ship reaches port and you are handed to local authorities. At that point, you can request bail or be released on your own recognizance, depending on the charges and local law.
The cruise line can also pursue civil claims against you — for damage to the ship, theft, or the cost of diverting to an unscheduled port. These claims are separate from any criminal charges and can result in a judgment against you even if you are not convicted of a crime.
What happens to your cabin and belongings
If you are detained, your cabin will be searched by ship security. Anything that is evidence of a crime — drugs, stolen property, a weapon — will be seized and documented. Your personal belongings will remain in your cabin unless they are evidence.
If you are removed from the ship at a port, you will be allowed to collect your belongings before you leave, or the cruise line will arrange to ship them to you later. You are responsible for any damage to the cabin or its contents during your stay.
If you paid for a cruise and are removed before it ends, the cruise line will not refund the unused portion. Most cruise lines also ban passengers who have been detained for criminal conduct from future sailings.
How ship security identifies and detains passengers
Cruise ships have security cameras in all public areas — hallways, dining rooms, bars, pools, and elevators. There are no cameras in cabins or bathrooms. Security staff monitor footage in real time and can identify a passenger within minutes of an incident.
If crew witnesses a crime or receives a report from another passenger, security will locate and detain the suspect. The captain or security chief will inform you of the reason for detention, though you may not be given a detailed explanation until you reach port and speak with a lawyer.
Ship security is not law enforcement. They are trained security personnel employed by the cruise line. They can detain you, search your cabin, and confiscate evidence, but they cannot formally arrest you or charge you with a crime. That happens only when local authorities take custody.
International waters and jurisdiction
If a crime occurs in international waters — more than 12 nautical miles from any country's coast — the ship's flag state (the country where the ship is registered) has jurisdiction. Most cruise ships are registered in countries like Panama, Bahamas, or Malta, not the United States.
This means that even if you are a U.S. citizen and the ship is full of U.S. passengers, U.S. law may not explore. The ship's flag state law governs the detention and the charges you face. However, once the ship reaches a U.S. port, U.S. authorities can take custody and prosecute under U.S. law.
If a crime occurs within 12 nautical miles of the U.S. coast, federal law applies. If it occurs in the territorial waters of another country, that country's law applies. The location where the crime happened determines which laws you are charged under.
Frequently Asked Questions
Can the cruise line keep me on the ship after I am detained?
Yes, the captain can confine you to your cabin or the brig for as long as the ship is at sea. Once the ship docks, you must be transferred to local authorities within a few hours. The cruise line cannot hold you indefinitely or prevent you from contacting a lawyer once you reach port.
What if I am detained but did not commit a crime?
If you are detained by mistake, you have the right to speak with ship security and explain your side. Once the ship reaches port, you can contact a lawyer and file a complaint with local authorities or the cruise line. You may have grounds for a civil claim against the cruise line for false imprisonment if the detention was unreasonable.
Do I have to pay for my cruise if I am removed from the ship?
No. The cruise line will not refund unused portions of your fare if you are removed for criminal conduct. However, if you are removed due to a medical emergency or the cruise line's error, you may be may have access to to a refund or credit toward a future cruise. Check your cruise contract and contact the cruise line's customer service.
Can the cruise line ban me from future sailings?
Yes. Cruise lines can refuse to sell you a ticket for any reason, including a prior detention or criminal conduct. Most major cruise lines share information about banned passengers, so being banned by one line may affect your ability to book with others.
What should I do if I witness a crime on a cruise ship?
Report it to crew or the security office when ready. Do not confront the person yourself. Provide a detailed description of what you saw, including the time, location, and any identifying details. Security will investigate and take action if necessary.