Signature Lounge (96th floor) has gluten free items listed on menu. There were only three when we went - chips and guacamole, duck nachos, and creme brûlée. Chips and guac were ok (decent size) but worth the money for the view.
This establishment is NOT a dedicated gluten-free facility and may not be safe for those with celiac disease. Please contact the establishment directly to inquire about safety precautions.