Thunder Bay National Marine Sanctuary

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The Thunder Bay National Marine Sanctuary offices and visitor center are located in NOAA's Great Lakes Maritime Heritage Center at :

500 W. Fletcher
Alpena, Michigan 49707
989-356-8805
Fax: 989-354-0144
thunderbay@noaa.gov

Open All Year - Free Admission

Summer hours: 9:00 am - 5:00 pm Mon-Sun, beginning Memorial Day Weekend 

July & August open until 7:00 pm

Winter hours:  10:00 am - 5:00 pm Mon-Sat, beginning second Monday in October

Closed on Thanksgiving Day, Christmas Eve, Christmas Day, New Year's Eve, and New Year's Day.



Alpena, Sanctuary of the Great Lakes, is a pleasant lake front community of approximately 12,000. Founded in 1840 as a lumber town, Alpena's various industries from timber to concrete have defined its landscapes and character. Today, Alpena is a town with many cultural and recreational opportunities.

Sanctuary staff actively promotes uses of the resources that are compatible with resource protection; in fact, all national marine sanctuaries promote multiple uses. Access to sanctuary shipwrecks is not restricted. The range of depth of the shipwrecks appeals to a variety of diver skill levels and also promises recreational opportunities for non-divers. The shallower wrecks can be viewed by snorkelers, kayakers, and boaters.

Explore Your Sanctuary

Great Lakes Maritime Heritage Center Brochure

Visitor Information

www.us23heritageroute.org (Discover "Heritage Route 23")
www.alpena.mi.us (City of Alpena)
www.michigan.org/city/alpena (Pure Michigan - Alpena page)
www.alpenacvb.com (Alpena Convention and Visitor's Bureau)

 
National Oceanic and Atmospheric Administration

Revised February 20, 2014 by TBNMS Webmaster | Web site owner - National Ocean Service
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wreck coordinates Great Lakes Maritime Heritage Center