The IJ-Hallen is open the last weekend of each month on Saturday and Sunday from 9am to 5pm, and it's easy to get to by public transport. Just take the ferry from Central Station to NDSM Amsterdam, and you'll be there in no time.When you arrive at the market, you'll need to buy a ticket which is only 5 euros. With over 800 stalls, it's easy to get lost! Once you've found your bearings, start exploring. You'll find everything from vintage clothes to antique furniture, and there's something for everyone.