You can't act like an idiot on a ship without a thousand years of authoritarian law coming down on you like a one-ton anchor.
I am sure these boats have brigs.
I bet the law allows charges brought that are far worse than simple disorderly conduct or assault.
In terms of punishment, I would hope the captain could have these brigands keel-hauled.
The lash comes to mind. But, the optics would be pretty bad given the perps' status as privileged. I would settle for having a few of them walk the plank.
The Chicken Plank, as was once sold at Long John Silver's.
"keel-hauled"