From Amsterdam Central Station you can reach Danzigerbocht 45T with bus 48 (stop Koivistokade). It's a 2 minute walk from there.
KeyFilm on Google Maps
You can reach our building by following the yellow bridges, which will bring you to a patio. If you cross the patio, you will find a white building on your right hand. KeyFilm is located at the first floor of this building.