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Thunder Bay National Marine Sanctuary protects a nationally significant collection of nearly 100 historic shipwrecks within 4,300 square miles of Lake Huron off the Michigan coast. Through research, education, and community involvement, the sanctuary works to protect the Great Lakes and their rich history for this and future generations.

Upcoming Events

2026 Cruise Ship Schedule

April 21 @ 8:00 am - October 23 @ 5:00 pm

HANDMADE WOODEN KAYAK RAFFLE

April 24 @ 8:00 am - September 30 @ 4:00 pm

Thunder Bay Maritime Festival

August 21 @ 10:00 am - August 23 @ 4:00 pm

Vintage Dive Days

August 22 @ 9:00 am - 4:30 pm

PROTECT WHAT YOU LOVE. BECOME A FRIEND.

Whats Happening at Thunder Bay

Healing Beneath the Surface: Warfighter Scuba in Thunder Bay

By |July 26th, 2026|Categories: Education, Shipwrecks|

“We tend to be adrenaline junkies.” That was the consensus echoing around the conference table at Thunder Bay National Marine Sanctuary when the team first sat down with the crew from Warfighter Scuba . While [...]

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Michigan Sea Grant Intern Blog with Zoey Crossley

By |May 27th, 2026|Categories: Uncategorized|

May 21st, 2026 Hi everyone! My name is Zoey Crossley and I will be working at the Thunder Bay National Marine Sanctuary this summer through the Michigan Sea Grant Environmental Internship. I am a rising [...]

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Beyond the Shore: The Hidden Shipwrecks of Lake Huron

By |May 20th, 2026|Categories: Uncategorized|

Michigan Public Radio, NPR reached out to Thunder Bay National Marine Sanctuary in 2025 with an idea for a new podcast called Beyond the Shore. That led to a visit from Editor Rebecca Williams and [...]

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Highlights from the 2026 MATE Great Lakes Regional ROV Competition in Alpena

By |May 17th, 2026|Categories: Uncategorized|

Teamwork took center stage today—not on the field, but in the water—as student teams competed in the 2026 MATE Great Lakes Regional ROV Competition at the Great Lakes Maritime Heritage Center in Alpena. Teams were [...]

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Thunder Bay’s Signature Events

Maritime Festival

Festival of Sail

ROV

ROV Competition

Film Festival

Film Festival

Summer Programs

“Great experience! Highly recommend it!”

Diana Bergen Thornburg

“What an incredible blessing to this town! Always love this place and the beautiful sincere staff. Thank you!!!”

Tim Hauff

“It was a blast! Captain Spencer and crew were very fun and informative about some of northern Michigan’s history.”

Trevor Hoon
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