In the October edition of The Triton, front page is a story of a yacht Captain arrested for possession of a handgun.
It pays to know the laws for weapons in the areas you are cruising. Here in the state of Florida, the book and website by Jon H. Gutmacher, Esq. (floridafirearmslaw.com) is a must read. He also provides references for many other parts of the country, and presents them in an easy to understand manner.