How many shipwrecks have there been in the great lakes?

Answer 1

As many as 5,000 to 6,000 shipwrecks have occurred in the Great Lakes. Many are still yet to be discovered because of many storms that blow away remains of the ships. Some are mysteries to be discovered among researchers.

Answer 2

Lloyds of London has a list of over 20,000 which are named vessels these don't include warships and private vessels which were involved in conflict. There are more but records are closely guarded to maintain regulatory integrity