From Great Lakes Now:
Ports abound throughout the Great Lakes, welcoming vacationers from the United States and further abroad.
To meet the demand from cruisegoers, several cruise lines have been increasing their presence in the region, with upwards of 20 to 30 stops each season at individual ports around the lakes. Cruisers can start off in Lake Michigan and loop around the Lower Peninsula, traversing through the engineering wonder of the Soo Locks. Other routes start up in Lake Superior, heading out from Duluth and touring the Georgian Bay ports of upper Ontario.
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