Can I leave the US by boat?

Sure. However, on entering most countries, you may be required to show proof that you cleared customs outbound from the U.S. even though you are not required under US law to clear out if the boat is under US flag. Checking in to a foreign port is a whole nother critter.



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It is not illegal per se. The consequence is you will not be owed the protections that registered ships flying a national flag will be. As you don't come under any jurisdiction, you can be approached and come under the extraterritorial jurisdiction of any other state.

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For each person on board:
  1. Name.
  2. Date of Birth.
  3. Passport, NEXUS, FAST card, Enhanced Drivers Licence or Secure Certificate of Indian Status.
  4. Boat Registration or licence number.
  5. Boat name.
  6. Boat length.
  7. CBP decal number for vessels 30+ feet.
  8. Dinghy licence and papers.


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Boat travel is a charming alternative to long-haul flying, and far better for the environment, too. A little known and inexpensive boat option, freighter travel, is popular with student travelers and adventurers of all ilk, but figuring how to hop aboard a freighter isn't as simple as you may expect.

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The most likely scenario is that you will be prevented from boarding transport by the staff on duty. If you managed to avoid that situation, you could be blocked from entering your destination by border authorities upon arrival. Generally, it is necessary to have a valid passport if you want to travel abroad.

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