I live in the desert. Similar issues, minus the salt.
One addition I'd recomend is a larger kickstand foot. Beach sand can sometimes be so soft that even a larger foot won't totally solve the problem but I find that in the really soft stuff the combination of a larger foot with a riding glove, rag, crushed aluminum can or even some litterer's soda cup tossed under it will get it done. There aren't many things worse than finding that your bike has fallen over and puked its gas and oil while you were away.
Keep your swingarm bearings pumped full of fresh grease to drive out sand and fully cleaned of excess so as not to attract sand to the pivots.
Check the air cleaner after every outing at first to get an idea what sort of cleaning interval might be in order. Consider making a "sock" out of old panty hose or similar material for the end of the snorkel Rubber band it on and look at it often. That rear tire can plop sand in places you never knew existed if miles of it are on the menu.
We used to use old-fashioned Simonize paste floor wax as "poor man's cosmolene" back in my surfing days. Get the whole bike scrupulously clean at first, then wipe it on and let it haze and it will discourage salt damage for months. Wipe it off or buff it and it will still work but you'll need to repeat the application more often. It's also pretty good for the undersides of fenders and keeping mud from sticking to things you don't want stuck, as well. I've found that WD40, Armorall and the like tend to eat paint over time nowadays. A liberal application of Pledge will probably serve the purpose they once served with regard to salt.