THE POWDER ISLANDS!! Lake Superior Northshore Arguros. Island "A" is 300 acres with 6.8 miles of shoreline. Island "B" is 100 acres with 2.2 miles of shoreline. Less than 1 mile from mainland boat launch, sand and cobble beaches, coves and inlets, water accessible and sheltered. Rossport, Ontario, with full harbour facilities is 4 1/2 miles to the east. One of the largest private holdings in the newly formed National Marine Conservation Area (NMCA). Outstanding fishing!