McNally Jackson South Street Seaport is a lovely outpost of one of my favorite New York City bookstores. It’s in a cute little cobblestone square, it’s big and roomy, and you could truly spend hours browsing. They have a cafe as well!

4 Fulton Street
Mon-Thurs 11AM-9PM
Fri 11AM-10PM
Sat 10AM-10PM
Sun 10AM-9PM