HRS §200-62
Trespassing on someone else's boat
This law makes it a crime to get on or stay on another person's boat in Hawaii waters without permission. It is a misdemeanor, which is a type of criminal offense.
everyone
The statute, as written — Trespass to vessel; penalty
Whoever, without right, boards or remains in or upon any vessel of another within the waters of the State shall be guilty of a misdemeanor.
LawTrove is not legal advice. The summary above is a computer-generated restatement — the authoritative text is the official version linked above.