[header] How to survive on a tropical island [title] Gather items that have washed up. [step] Have a look around and see what else washed up with you. You might be able to find some supplies that could be used to help you. 
[substeps] If you have a life raft, you can use the plastic from this to help you with water. If there is a first aid kit in the raft, you might need it if you get cut or sick.