If I were to be stranded on an island the first tool I would like to have would be a lighter, I would like to have a lighter to make fire so won't freeze to death. Furthermore, I would like to have extra clothes with me like a jacket or a warm sweater incase the fire isn't enough, also a pair of shoes so I can keep moving around the island without cutting my feet. The last thing I would have would be a cell phone to try and call 911, if I can reach 911 they can trace my current position and hopefully find me.