I stayed in a mixed-gender dormitory.
I was on the second floor with bunk beds, but there were spider webs, so I had to be careful of my head. You have to make your bed yourself. You can't climb up with just a ladder, so you have to hold the bed frame, but it's dusty and dirty.
The only electrical outlets in the room are in the shower room and the kitchen. I tried to charge my phone, but it took a very long time. On the other hand, you can charge it at a normal speed in the common space right at the entrance, so I recommend charging in the common space.
There are no toilets in the mixed-gender dormitory. Even if you look at the guide signs in the building, there is no sign of my room, and the location of the toilet is not written, so you have to ask a staff member or look around. And worst of all, it didn't open even when I swiped my room key, so I had to use the toilet outside.
As others have written, there is a shelf for valuables, but you have to bring your own key. Also, it may have just been a coincidence, but there were people walking around, showering, talking, and slamming doors loudly in the middle of the night, and because the walls were thin you could hear people talking in other rooms, so the quality of the guests was not very good, so it's not suitable for people who are sensitive.
The only good thing about it was that it was close to both the airport and Amsterdam Central Station, so it was perfect for sightseeing.
If I were to use it again, I might choose a different room instead of the dormitory.
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