Blox Harbor really only has 1 phase that is hard. That's the ending where you gave to get on the raft.
People think that Bloc Harbor is hard, but I disagree do you guys think Blox Harbor is a hard campaign? This is why I think Blox Harbor is easy.
Barrels are easy to manage.
You can grab 10+ rations before the boat comes.
If you have a teammate with jetski they can go to the next island early to place a disruptor
You can use molotovs to block off a spawn.
You can use the candy cane with the fire axe to chop or attack zombies.