The Deep Cuts Safe Key needed for the Deep Cuts Safe in Dead Island 2 can be found next to the couch in Deep Cuts. Make your way to the spot shown on the map below to first find Deep Cuts.
Squeeze under the broken gate to enter the building. Once inside, look next to the couch and grab the key.
Take the key to the back wall and open the safe there to find cash!
For more guides on Dead Island 2, click here!