Here lies a shipwreck of mid-1800s design and construction at the bottom of Britannia Bay/Ottawa River.
As per Andrew K. research, the shipwreck seems to belong to the Ann Sisson. A 139 foot side-wheeler steamship that carried the Prince Of Wales on his journey up the Ottawa River.
Andrew King wrote a great article which can be found below which dives into greater detail.
Location ID #BR0110