Pick up a few good deals, purchase a few trinkets or savor some regional specialties at Östermalms Saluhall. This vibrant place will give you a real feel for the local culture and community.
When you've finished up at this community marketplace in Central Stockholm, why not make your way to Solvalla Loppis, Vasa Museum, and Skansen? They're near Östermalm Market Hall and also a hit with tourists.