Rising from the waters of the Straits of Mackinac, Poe Reef Lighthouse marks one of the most challenging navigation points along the route between Lake Huron and Lake Michigan. Positioned near the center of the South Channel, the reef has long posed a serious hazard for vessels traveling west toward the open waters beyond the Straits. A Dangerous Passage in the Straits The South Channel became increasingly important as steam powered vessels replaced sailing ships and required deeper, more direct routes. Although the channel is roughly three nautical miles wide, Poe Reef sits near its midpoint. To the north, shallow… Read More »












