The IJ-Halls are the largest flea market in Europe and take place about once every three weeks on the outside of the NDSM shipyard (spring and summer) or inside the NDSM Loods (autumn and winter). Are you looking for that one pair of vintage sneakers, a new antique wall mirror, a large selection of LP records, or just some new additions to your wardrobe? Come and browse the stalls at NDSM! Click for more information and to book a booth.