Marquette Island () is the largest of the 36 islands in the Les Cheneaux archipelago of northern Michigan, United States. Located in Mackinac County on the north shore of Lake Huron, the island has a small summer population. It is 6.5 miles (10.5 km) long and 3.5 miles (5.5 km) wide. Its geographic center is close to 45 degrees 57 minutes N., 84 degrees 23 minutes W. Description A narrow, freshwater sound, the Les Cheneaux Channel, separates Marquette Island from the Upper Peninsula of Michigan. The channel shore of Marquette Island is lined with Edwardian boathouses and cottages, relics of the island's development as real estate in the early 1900s. At its most narrow, the channel is less than 0.25 miles (0.4 km) in width. The island's summer inhabitants often travel by water to the nearby towns of Cedarville and Hessel for the necessities of life. The Les Cheneaux Yacht Club, a social center of the islands, is located on Marquette Island. Although Marquette Island is large, it is not as expansive as its overall dimensions might suggest, because it is deeply gouged by freshwater bays such as Duck Bay, Hessel Bay, Peck Bay, and Wilderness Bay. There are no bridges or other means of automobile access to the island, and no roads on the island. Because of this, most island landowners own some sort of water frontage or dock access. The waters adjacent to Marquette Island are noted for freshwater fishing, particularly for lake perch. The island is named in honor of missionary/explorer Jacques Marquette. Chief Shabwaway Marquette Island was the home of Chief Shab-wa-way, whose homesite was located directly south across the channel from the present site of the Les Cheneaux Club golf course. A plaque was placed on this location by the Les Cheneaux Historical Association in 1982. The plaque describes the significance of this site as follows: "On this spot stood the log cabin of Chabowaway (sometimes called 'Shab-wa-way' or 'Shabway'), a leading chief of the Ottawa Indians. Here he and his ancestors lived for over a century and in this cabin he died about the year 1872 at the age, it is said, of over 100 years. March 28th, 1836, he represented his tribe and signed the Indian Treaty at Washington, D.C., ceding most of northern Michigan to the United States but reserving for himself and for his people 'the Islands of the chenos' (Indian