Named “The World’s Best Anchor” by more boaters & respected marine experts than any other anchor. In anchor tests conducted worldwide, no other anchor sets faster or matches the holding power of a Fortress Marine Anchor! Fortress manufactures 17 different models of marine anchors. We offer 8 sizes of Fortress Anchors, which hold anything from a canoe to a 150′ Super Yacht. There 9 Guardian anchors available to choose from, which hold anything from a canoe to a 72′ vessel.