Shutter Island conventions and ideas:  

Settings:

on boat shows fear due to him being sick trying to pull together

Characters:

don’t see the true people, everyone is on edge

Camera shot/angles:

low angles of island and place to make it look huge.

Mid shots show them two together.

Mood:

Strange mood everyone on edge, why though??

Mysterious atmosphere

 

Sound:

Orchestral sound building tension puts you on edge

 

Techniques:

Flash back to woman, old tap, establishing shot of island