
Thunder Bay National Marine Sanctuary
Explore over 100 shipwrecks preserved in Lake Huron's clear waters. A diver's paradise and a history lover's dream.
Highlights
Must-see attractions
Social
From TikTok & Reddit
Best Time
Calm waters, best visibility

Thunder Bay National Marine Sanctuary
Best Time
Calm waters, best visibility
Highlights
Must-see attractions
Explore over 100 shipwrecks preserved in Lake Huron's clear waters. A diver's paradise and a history lover's dream.
"A truly unique underwater museum, Thunder Bay offers an unforgettable glimpse into Great Lakes maritime history."

🚢 Wreck Diving Depth
The 'Alice G.' wreck is in about 8' of water, with the spine around 6' deep. Parts are accessible in shallow beach pools.
🚤 Book Boat Tours Early
Glass-bottom boat tours are popular. Book your spot in advance, especially during peak season, to avoid disappointment.

Highlights
Discover the most iconic attractions and experiences

The 'Alice G.' Wreck
Near Alpena
Explore this shallow shipwreck, accessible even for snorkelers. Parts of the wreck are visible in shallow pools on the beach.

Glass-Bottom Boat Tours
Sanctuary Visitor Center
See the shipwrecks without getting wet! These tours offer a unique perspective on the underwater history of Thunder Bay.

Sanctuary Visitor Center
Alpena
Discover interactive exhibits detailing the sanctuary's history, shipwrecks, and marine life. A great starting point for any visit.
Plans like a pro.
Thinks like you
Planning Your Visit
Plan Your Underwater Adventure
Best Time for Wreck Exploration
Best Times
Insider Tips
from TikTok, Instagram & Reddit
Shipwreck in shallow water near Alpena
🚢 Wreck Diving Depth
The 'Alice G.' wreck is in about 8' of water, with the spine around 6' deep. Parts are accessible in shallow beach pools.
🚤 Book Boat Tours Early
Glass-bottom boat tours are popular. Book your spot in advance, especially during peak season, to avoid disappointment.
🤿 Snorkel Gear Recommended
For shallow wrecks like the 'Alice G.', bring your own snorkel gear for an up-close look at the underwater history.
🗺️ Get Your Sanctuary Map
Grab a Thunder Bay National Marine Sanctuary map at the visitor center to plan your exploration of the various wreck sites.
Tips
from all over the internet
🚢 Wreck Diving Depth
The 'Alice G.' wreck is in about 8' of water, with the spine around 6' deep. Parts are accessible in shallow beach pools.
🚤 Book Boat Tours Early
Glass-bottom boat tours are popular. Book your spot in advance, especially during peak season, to avoid disappointment.
🤿 Snorkel Gear Recommended
For shallow wrecks like the 'Alice G.', bring your own snorkel gear for an up-close look at the underwater history.
🗺️ Get Your Sanctuary Map
Grab a Thunder Bay National Marine Sanctuary map at the visitor center to plan your exploration of the various wreck sites.
What Travellers Say
Reviews Summary
Visitors rave about the unique opportunity to explore well-preserved shipwrecks in Lake Huron, with many highlighting the informative Visitor Center and accessible glass-bottom boat tours. Some note that diving requires specific planning and that weather can impact lake activities.
What People Like
What People Dislike
Frequently Asked Questions
🚇 🗺️ Getting There
The sanctuary is located in Alpena, Michigan, on the shores of Lake Huron. You can drive to Alpena, and the Visitor Center is a central hub for accessing the sanctuary. Many visitors arrive by car, and there are various accommodation options in and around Alpena.
Public transportation options directly to the sanctuary are limited. Most visitors rely on personal vehicles or rental cars to reach Alpena and then access the sanctuary's various points of interest.
You can see shipwrecks via glass-bottom boat tours, by diving or snorkeling (for experienced individuals), or by visiting the Visitor Center exhibits. Some wrecks are also accessible from shore.
Yes, glass-bottom boat tours are a popular way to view the shipwrecks without getting wet. These tours depart from the Visitor Center and offer guided insights into the sanctuary's history.
Kayaking and paddleboarding are permitted in the sanctuary, offering a more intimate way to explore the waters. However, always be aware of weather conditions and boat traffic.
🎫 🎫 Tickets & Entry
Entry to the sanctuary itself is free. However, there are fees for glass-bottom boat tours, diving charters, and any specific activities or rentals. The Visitor Center is also free to enter.
The Visitor Center hours typically vary by season. It's best to check the official Thunder Bay National Marine Sanctuary website for the most up-to-date operating hours before your visit.
No, there is no entrance fee to access the waters of Thunder Bay National Marine Sanctuary. The sanctuary is a protected area for all to enjoy responsibly.
Tour prices can vary, but generally range from $25-$40 per person. It's recommended to check with the tour operator for current pricing and to book in advance.
Diving and snorkeling are permitted without a permit in Thunder Bay National Marine Sanctuary. However, it's crucial to follow all sanctuary regulations and practice responsible diving etiquette.
🎫 🧭 Onsite Experience
The 'Alice G.' is a popular shallow wreck accessible to snorkelers. Other notable wrecks include the 'SS Cygnet' and the 'Plum Island' wreck, many of which can be viewed on boat tours or by diving.
While known for shipwrecks, the sanctuary also supports diverse aquatic life. You might see various fish species, aquatic plants, and other organisms that inhabit the freshwater ecosystem of Lake Huron.
Yes, Thunder Bay is excellent for snorkeling, especially at shallower wrecks like the 'Alice G.' which is only about 6-8 feet deep. Visibility can be good, offering a unique underwater experience.
Dress in layers as lake weather can change quickly. Comfortable shoes are recommended, and bringing a light jacket or windbreaker is a good idea, even on sunny days.
While the sanctuary is primarily water-based, the surrounding areas of Alpena offer parks and shoreline access points where you can enjoy walks and scenic views of Lake Huron.
🍽️ 🍽️ Food & Dining
Yes, Alpena offers a variety of dining options, from casual cafes to sit-down restaurants. Many are located along the waterfront or in the downtown area, providing convenient choices after your sanctuary visit.
You can bring food and drinks for personal consumption, especially if you're going on a boat tour or spending time at a shoreline access point. However, please be mindful of waste and pack out everything you bring in.
Being on Lake Huron, fresh fish is a local specialty. You can often find delicious perch, walleye, and other lake fish prepared in various ways at local eateries.
Several parks and shoreline areas around Alpena offer picnic tables and scenic spots perfect for a packed lunch. The Visitor Center area also has some outdoor spaces.
Alpena has several casual dining spots, diners, and fast-food options that cater to budget-conscious travelers. Look for local cafes and delis for affordable and tasty meals.
📸 📸 Photography
The shipwrecks themselves, especially when viewed from a boat tour or underwater, are prime subjects. The Lake Huron shoreline, sunrises/sunsets over the water, and the Visitor Center's exhibits also offer great photographic potential.
Yes, if you are diving or snorkeling, you can capture incredible underwater photos of the shipwrecks. Ensure you have appropriate waterproof camera gear or a GoPro.
Early mornings and late afternoons often provide the best light for photography, with softer shadows and warmer tones. Sunrises and sunsets over Lake Huron can be particularly stunning.
Drone usage is subject to NOAA regulations and sanctuary-specific rules. It's essential to check the latest guidelines on the sanctuary's official website or with the Visitor Center before flying a drone.
For boat tours, a standard camera or smartphone is sufficient. For underwater photography, a waterproof camera or action camera like a GoPro is ideal. Consider a polarizing filter for reducing glare on the water's surface.
For Different Travelers
Tailored advice for your travel style
👨👩👧 Families with Kids
For families with older children or adventurous spirits, snorkeling the 'Alice G.' wreck can be an unforgettable experience. Its shallow depth makes it relatively safe and accessible. Remember to pack snacks and drinks, and utilize the picnic areas around Alpena for a family-friendly meal with a view of Lake Huron.
🤿 Diving Enthusiasts
Divers can explore everything from wooden schooners to steel freighters. Popular dive sites include the 'SS Cygnet,' the 'Plum Island' wreck, and the 'Alice G.' for shallower dives. Many local operators offer dive charters, providing access to these submerged historical artifacts. Always prioritize safety, check conditions, and adhere to sanctuary regulations.
🚢 History Buffs & Maritime Enthusiasts
Visiting the Visitor Center is a must, offering deep dives into the causes of these shipwrecks, from storms to human error. Exploring the wrecks themselves, whether through boat tours or diving, provides a tangible connection to the past. The Thunder Bay Marine Sanctuary serves as an underwater museum, safeguarding these crucial pieces of history for educational and research purposes.
Deep Dives
In-depth insights and expert knowledge
Exploring Thunder Bay's Shipwrecks
Many visitors are drawn to the Thunder Bay National Marine Sanctuary diving opportunities. While some wrecks are accessible to snorkelers, others require SCUBA certification. The 'Alice G.' wreck is a standout for its shallow depth (around 6-8 feet), making it accessible for snorkelers and beginner divers. Reddit users often share tips about its accessibility, noting that parts of the wreck can even be found in shallow pools on the beach, making it a unique shore-based exploration point.
For those who prefer to stay dry, glass-bottom boat tours are a fantastic alternative. These tours, often departing from the Visitor Center, provide an excellent overview of the sanctuary's most significant wrecks. Guides share stories and historical context, bringing the submerged history to life. The Thunder Bay Marine Sanctuary is more than just wrecks; it's a living museum of maritime heritage.
Planning Your Visit to the Sanctuary
When planning your trip, consider the best time to visit Thunder Bay National Marine Sanctuary. Summer months (June-August) generally offer the warmest water temperatures and calmest lake conditions, ideal for boat tours, diving, and snorkeling. However, these are also the busiest months. Shoulder seasons like late spring and early fall can provide a more serene experience with fewer crowds, though the water will be colder.
For those interested in Thunder Bay National Marine Sanctuary diving, it's essential to be prepared. While the sanctuary is free to enter, you'll need to arrange for dive charters or have your own boat. Always check weather and water conditions before heading out, as Lake Huron can be unpredictable. Respecting the sanctuary's regulations, such as not touching or removing artifacts, is paramount to preserving this underwater heritage.
Social
from TikTok, Instagram & Reddit