The JW Marketplace is the convenience store/gift shop located on the main level of the JW Marriott Grand Rapids. It’s a very small convenience store/gift shop. They carry snacks, cold bottled beverages, toiletries and such but the selection is extremely limited — and expensive. You will be better served stopping at a drug store or convenience store and bringing what you need to the hotel. Every time I stopped in here — the staff person was nowhere to be found, although they typically showed up within 30 seconds to a minute.