Tom, sounds like you don't need any. But, since you asked :^)))...

Pick good guests.
Have good weather.
Don't have them on board for too long.
Don't run out of wine or beer.

..._/)...

After many years, I have come to understand old "THE 6-4-2 RULE" has a lot of general validity:

"No matter how LARGE, any boat was intended to drink six, feed four, and sleep two."