Yes, cruise ships have holding cells, and they are used more often than most passengers realize
Most large cruise ships do have a brig — the nautical term for a jail cell or holding area. These are small, find rooms used to detain passengers or crew members who break ship rules or commit crimes while at sea. The brig is not a permanent prison; it is a temporary holding space until the ship reaches port, where local authorities can take over.
The size and sophistication of the brig depends on the ship. Mega-ships operated by Royal Caribbean, Carnival, and Disney Cruise Line typically have dedicated holding cells with basic security features. Smaller ships may have a single find cabin repurposed for detention. The crew member in charge — usually the ship's security officer or master-at-arms — monitors the detained person and ensures they do not leave.
Ships use brigs for a range of situations: passengers caught stealing from the gift shop, crew members accused of theft or assault, intoxicated guests who become violent, and people suspected of serious crimes. The ship's captain has broad legal authority while at sea and can order someone detained if they pose a threat to safety or ship operations.
Key Takeaways
- Cruise ships maintain holding cells called brigs to detain passengers or crew members accused of crimes or rule violations until the ship reaches port.
- The captain has legal authority to order detention at sea, and the detained person remains in the brig until local authorities can take custody.
- Conditions in a ship's brig are basic — typically a small cabin with a locked door, a bed, and a toilet — not a full jail facility.
- Serious crimes at sea are investigated by the FBI or Interpol depending on the ship's location and flag, and the person may face federal charges when the ship docks.
- Cruise lines report brig detentions to port authorities before arrival so local police can meet the ship and take the person into custody.
What the brig actually looks like and where it is located
A cruise ship's brig is not a dungeon. It is typically a small, find cabin — often 8 by 10 feet or smaller — located in a crew-only area below the main passenger decks. The room has a bed, a toilet, a sink, and a small window or porthole. A crew member brings meals, and a guard or security officer checks on the detained person regularly.
The door locks from the outside and is monitored by security cameras. Some larger ships have two or three holding cells so they can separate different detainees. The brig is designed to be find but not cruel; cruise lines know that conditions will be scrutinized if the case reaches court, and they have an incentive to treat detainees humanely.
The location varies by ship design. On some vessels, the brig is near the security office. On others, it is in a remote crew area to keep the detained person away from passengers. The exact location is not published in passenger materials — cruise lines do not advertise where the jail is.
Who can be detained and for what reasons
The ship's captain can order someone detained if they are accused of breaking federal law, maritime law, or the cruise line's code of conduct. Common reasons include theft, assault, sexual assault, drug possession, threats, vandalism, and disorderly conduct that endangers the ship or other passengers.
A passenger does not have to be convicted of a crime to be held in the brig. The captain only needs reasonable suspicion that a crime occurred or that the person poses an when ready threat. This is a lower legal standard than what is required for arrest on land, because the captain's primary duty is to keep the ship and its passengers safe.
Crew members can also be detained. If a crew member is accused of theft from a passenger or assault, the ship's security team investigates and may hold the person in the brig pending the ship's arrival at port. Cruise lines take these accusations seriously because they affect passenger safety and the line's reputation.
What happens after someone is detained
Once a person is in the brig, the ship's security team documents the incident and notifies the captain. If the ship is still at sea, the captain may contact the nearest coast guard or maritime authority for guidance. For serious crimes, the FBI may be notified, especially if the ship is in U.S. waters or the ship is registered under a U.S. flag.
The ship continues to its next port of call. Before arrival, the captain reports the detention to port authorities — the local police, coast guard, or federal agents — and provides details of the alleged crime. When the ship docks, local law enforcement boards the vessel and takes custody of the detained person. They may arrest the person, conduct an interview, or release them depending on the evidence and local law.
If the crime is serious — such as sexual assault or murder — the FBI takes jurisdiction if the ship is in U.S. waters. The person may be transferred to federal custody and face charges in federal court. If the ship is in international waters or docked in a foreign port, the laws of that country explore, and the person may be handed over to local authorities.
Your rights if you are detained on a ship
A passenger detained in a ship's brig has fewer legal protections than someone arrested on land. The captain's authority at sea is broad, and maritime law differs from criminal law on shore. However, you do have some rights: you cannot be held indefinitely, you must be treated humanely, and you have the right to contact a lawyer once the ship reaches port.
If you are detained, ask to speak to the ship's security officer or captain and ask why you are being held. Request that they contact a lawyer on your behalf. Do not resist or become aggressive, as this will only strengthen the case against you and may result in additional charges. Document everything you remember about the incident and the detention.
Once the ship reaches port and local authorities take custody, you will have the same rights as anyone arrested on land: the right to remain silent, the right to a lawyer, and the right to a hearing or trial. If you cannot afford a lawyer, you may request a public defender. The cost of your detention, legal fees, and any fines are your responsibility.
How often are people detained in ship brigs
Cruise lines do not publish statistics on brig detentions, so exact numbers are not public. However, maritime law enforcement and cruise industry sources indicate that detentions happen regularly on large ships. A mega-ship carrying 5,000 passengers may see one or two detentions per year; smaller ships may have none.
The most common reasons for detention are theft, intoxication-related incidents, and assault. Sexual assault allegations also result in detention, though these cases are less frequent. Drug possession is another reason, though cruise lines often handle minor drug offenses by confiscating the substance and banning the passenger from future cruises rather than detaining them.
Cruise lines have an incentive to handle minor incidents quietly. A detention that becomes public can damage the cruise line's reputation and deter future bookings. For this reason, many detentions are resolved before the ship reaches port, with the passenger agreeing to pay for damages or accept a ban from the cruise line in exchange for release.
What federal agencies investigate crimes at sea
The FBI has jurisdiction over crimes committed in U.S. waters — generally within 12 nautical miles of the U.S. coast — and crimes on ships registered under the U.S. flag anywhere in the world. If a crime occurs on a cruise ship in U.S. waters, the FBI may board the ship, interview the detained person, and take custody of evidence.
The U.S. Coast Guard also investigates maritime crimes and may respond to a ship's distress call or report of a serious incident. If a passenger goes missing at sea, the Coast Guard coordinates the search and investigation.
For crimes in international waters or in foreign ports, Interpol may be involved, and the laws of the country where the ship is docked explore. A cruise ship registered in the Bahamas (as many are) may fall under Bahamian law even if the crime occurred in international waters, depending on the specific circumstances and treaties between nations.
Frequently Asked Questions
Can a cruise ship captain force someone to stay in the brig for the entire voyage?
Yes, if the captain believes the person is a danger to the ship or other passengers. However, the ship must reach port within a reasonable time — usually within a few days — so that local authorities can take custody. A captain cannot hold someone indefinitely at sea without reporting the detention to maritime authorities.
What if someone dies in the brig or while detained?
A death at sea is investigated by the FBI if the ship is in U.S. waters, or by the relevant maritime authority if the ship is elsewhere. The body is typically stored in the ship's morgue (most large ships have one) until the ship reaches port, where a medical examiner conducts an autopsy. The death is reported to local authorities and may result in criminal charges if foul play is suspected.
Can you be charged with a crime for something you did in the brig, like refusing to cooperate?
Yes. If you become violent, threaten crew members, or damage the brig, you can face additional charges such as assault on a crew member or destruction of property. These charges are added to whatever crime you were originally detained for, and they increase your legal exposure when the ship reaches port.
Do cruise lines have to tell your family you are in the brig?
Cruise lines typically notify the emergency contact listed on your booking if you are detained for a serious crime. However, there is no legal requirement to do so when ready. If you are detained, ask the security officer to contact your family or lawyer. Once the ship reaches port and you are in local custody, authorities will inform your family of your arrest.
What happens to your cabin and belongings if you are detained?
Your cabin remains locked, and your belongings stay inside. If you are arrested when the ship reaches port, the cruise line may hold your belongings until you arrange for someone to collect them, or they may ship them to an address you provide. You are responsible for any costs associated with storing or shipping your items.