Obviously it depends on the introvert, but any quiet, casual space where the focus isn't on socializing. So for me, some places that come to mind are a climbin

Obviously it depends on the introvert, but any quiet, casual space where the focus isn't on socializing. So for me, some places that come to mind are a climbing gym with plenty of space for lounging, makers space, a bookstore with a cafe, library, an outdoor public mall with seating and food, and maybe a dog park.