Little Dean Is., photo by yooper1949

Wikipedia lists islands in Isle Royale National Park (but not this one):

• Amygdaloid Island – has a ranger station
• Barnum Island
• Beaver Island – has a campground
• Belle Isle – a small island just off the north shore of Isle Royale at the head of Belle Harbor. It is the site of a primitive campground and is visited every second day during the peak season by the island-circling ferry.
• Caribou Island – has a campground
• Grace Island – has a campground
• Johns Island
• Long Island
• Menagerie Island – has a lighthouse
• Mott Island – summer park headquarters
• Passage Island – has a lighthouse and short trail
• Raspberry Island – has a nature trail
• Rock of Ages – has a lighthouse
• Ryan Island – the largest island in the largest lake on the largest island in the largest freshwater lake in the world
• Tookers Island – has a campground
• Washington Island
• Wright Island

Learn more from Isle Royale National Park (U.S. National Park Service) and check this out bigger (along with many more) in Carl’s spectacular Isle Royale Natonal Park slideshow.