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.
Start your visit here!
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.
Click here to link to our calendar for upcoming events and programs!
NOAA's National Ocean Service spotlights the sanctuary! See the full story here.
Learn about and register for the Alpena Climate Conference taking place July 25, 2015.
2015 Great Lakes RegionalMATE ROV Competition - May 16, 2015
2015 Annual Thunder Bay Cardboard Boat Regatta - July 4, 2015
Revised May 04, 2015 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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Contact Us | http://sanctuaries.noaa.gov