Text with gist of Bear Grylls Island Survival Tips
On the same web page you will find several videos that give great tips on the same topic.
For instance, there is a great deal of detail on how to get into the shore, even if it is rocky, and get up beyond the danger zone safely.
One tip is to practice the swimming sidestroke now while you have the time to practice it.
Here is the link to the website: http://familysurvivors.com/island-survival-on-an-island.htm
Here is another video for you to see on Island Survival: