I can't get into one house in Wareham with a small chest

Play the story and believe me this is not the last chest you'll be able to get just on the quest.

Gisa! Ahaha))

The storyline has already been passed.

Enter it in youtube and see how to pick it up!? Or google it! I just struggled with one there too...and ended up with 3 keys to collect.

Then look for in the most obvious place some kind of passage)
Most likely there prsthrough the wall and you did not notice 100 times it was=0

Then look for in the most obvious place some kind of passageway.