Breadcrumb Photo Gallery Lake Superior Photos Grand Portal, MI Grand Portal, MI Last updated by System administrator March 20, 2008 The Grand Portal is a formation in the Pictured Rocks National Lakeshore on Lake Superior's South Shore. The boat is Summerwind, a Pearson 365 ketch, owned by Gregg and Kim Haug. Become a Member How to Join Member Benefits & Discounts Membership Application About the GLCC A Bit of History Contact Us Active forum topics Harbor Island Wilderness RendezvousChecking Into Canada Meldrum Bay updateManitowoc to TawasFlies on Lake MichiganMore