#DidYouKnow that the National Marine Sanctuary System covers over 620,000 square miles? Our national marine sanctuaries and marine national monuments encompass diverse marine and freshwater habitats, from coral reefs to kelp forests! Swipe to see some of the habitats across the sanctuary system, and share your favorite ocean or coastal habitat in the comments below! Learn about how the sanctuary system helps protect essential habitats for #WorldHabitatDay at the link in bio! 📷: Michael Alyono, Greg McFall, Olivia Williamson