United States of America
The DeTour Passage Underwater Preserve is a preservation area in the U.S. state of Michigan. Located in Lake Huron, it completely surrounds Drummond Island and includes all of DeTour Passage and adjacent sections of Lake Huron and the St. Mary's River.
Listen to the audio guide for De Tour Passage Underwater Preserve Free on WIP — starts by itself when you arrive, even with the screen off