Protecting the Great Lakes and their rich maritime history through research, education and resource protection. The sanctuary works to ensure that future generations can enjoy these underwater treasures.
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Great Lakes Maritime Heritage Center
OPEN ALL YEAR
The sanctuary has expanded!
Following a multi-year public process, the sanctuary has expanded from 448 square miles to 4,300 square miles. Read more here.
Learn more about the process of sanctuary expansion and access related documents here.
Calendar of Events
Applications for Dr. Nancy Foster Scholarship Program Due by December 10, 2014 at 5:00 pm EST
Thunder Bay International Film Festival - January 21 - 25, 2015
2015 Great Lakes RegionalMATE ROV Competition - May 16, 2015
Revised December 22, 2014 by TBNMS Webmaster | Web site owner - National Ocean Service
National Marine Sanctuary Program | For Employees | User Survey
Friends of Thunder Bay National Marine Sanctuary
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