In addition to the previously mentioned Murray Bay, there are also several good campsites on the water in Trout Bay, on the north side of the island's 'thumb'. These sites provide bear boxes for food. DO use them--on our last visit to Grand Island, we saw the fresh tracks of a 250-lb. bruin.
The western shore also has a few campsites, but these are higher up on a limestone ledge, and will involve a bit of a carry.
I suggest you obtain a map of the Hiawatha Water Trail, which passes through the area:
Here's a write-up of one of our visits to Pictured Rocks and Grand Island:
Have a good trip!
Classic Freestanding Rack
Full Size Sail Rig
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