You discovered that there was a research being done on these Jellyfish that have characteristics of immorality in Jellyfish Island.
That explains the wheelbarrow and crates outside and the residues on them. They must be used to transport Jellyfish from the beach to the laboratory and the water must have left salt deposites behind.
What was that?
You look to see what stubbed your toe and see a small metal locked box. There is something written on the box.
Take a Closer Look