At Dawn Guide Service LLC
At Dawn Guide Service
Snorkel the Great Lakes
Not interested in spearfishing but still want to experience the incredible underwater world of the Great Lakes?
Join us for a guided snorkeling adventure as we explore the crystal-clear waters, glide over historic Great Lakes shipwrecks, and discover thriving underwater habitats filled with fish and other aquatic life. Whether you're exploring famous wrecks or checking out some of our favorite fishing hotspots from below the surface, every trip offers a unique perspective few people ever get to see.
Perfect for families, beginners, and anyone looking for an unforgettable Great Lakes adventure!
The only experience you need is the ability to swim in open water!
Available July through September.
Minimum Age of 14 years old and 90 lbs. (some exceptions may be approved, everyone under 18 must be accompanied by a parent or legal guardian.)

Guided Snorkeling Adventures
Our snorkeling trips are offered by request, allowing us to customize each adventure around what you want to experience. Whether you're interested in exploring historic shipwrecks, crystal-clear waters, or vibrant underwater ecosystems, we'll help create the perfect trip.
All snorkeling equipment is provided, including a wetsuit, mask, snorkel, fins, gloves, and socks.
Full-Day Charter (Approximately 8 Hours):
Thunder Bay – Alpena
Explore the famous waters of Thunder Bay National Marine Sanctuary, home to some of the best-preserved shipwrecks on the Great Lakes. A highlight of this trip is snorkeling over the Nordmeer, one of Michigan's most impressive shallow-water wrecks.
Sleeping Bear Dunes & Manitou Islands – Glen Arbor
Experience the iconic Sleeping Bear Dunes from the water, where their towering beauty is truly appreciated. Along the way, explore historic lighthouses, snorkel over fascinating shipwrecks, and discover the crystal-clear waters surrounding the Manitou Islands.
Pictured Rocks – Munising
Experience the breathtaking shoreline of Pictured Rocks National Lakeshore and Grand Island from both above and below the water. Snorkel beneath towering cliffs, discover crystal-clear coves, and visit several historic shipwrecks along the way for an unforgettable Great Lakes adventure.