Thunder Bay National Marine Sanctuary










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Welcome

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

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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.


 July 3 SUPs and Suds: Stand Up Paddleboard and Kayak 3k Race and Craft Beer Tasting Fundraiser at the Great Lakes Maritime Heritage Center.  Thunder Bay River. Race Registration5-7pm.  Race 7:15.  Beer Garden on the Roof Deck 6:30-9:30pm: Click here for more information.

2015 Maritime Fest!

Click here for trifold brochure

Click here for poster

Sanctuary Spotlight 

Click here to link to our calendar for upcoming events and programs!

Thunder Bay National Marine Sanctuary is featured in NOAA's FY14 Education Accomplishments Report, click here for a downloadable pdf of the report.

2015 Annual Thunder Bay Cardboard Boat Regatta - July 4, 2015


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Revised June 25, 2015 by TBNMS Webmaster | Web site owner - National Ocean Service
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