Don't say that too loudly, or the fine folks in Albany will outlaw firearms transport in watercraft, just as they do in automotives and upon your person... The FAA has already covered aircraft, of course.
To have a reasonable chance at dropping a hog or one of our black bear in a single hit, I'd need to carry either a .44 or a long barrel .357. The .44 makes you walk with a limp, while a 6" barrel .357 isn't that much better - and has a greater chance the round will finish its trajectory on a...
Double action Revolver. Reliable. Simple. Easy to maintain. Big enough to put down any local predator (except our boars and small black bears - but they can have the damned bird if that the case). Not so big that its a significant risk to my neighbors 1/4 - 1/2 mile distant through moderate...