+0.9 Whoop. I like all your ideas except number 2, I especially like number 10.
What, you love harmful UV rays? 
No, I just don’t believe in unnatural products on or in me. Moderation is my opinion of sunblock. Some sunblocks are like some avs they give you false security.
First in my pack, a couple of cartons of matches and flint and steel as backup.
Water
my .22 rifle and lots of ammo rather than one of my larger calibers.
A good knife
food
a sturdy pair of boots
a few changes of clothes
Lastly a good wide brimmed felt hat
We get this nice healthy natural sunblock…and besides, I’d rather have some unnatural stuff than getting burnt. They seem to work for me.
Remember to forget to take yourself to the island. :-La
A guitar and 9 well supplied smoking hot female survivalists of course!!! 8)
We all will get old and have ‘wrinkles’ 
So, I would rather have a guy that knows how to survive and also a women with a great personality so we could have offsprings
Jake