Campsite in Amsterdam East.
It has various types of accommodation (and of course you can put up your tent here).
There is free wifi on the camp grounds, and a print service at the reception desk. Bike rentals are available and there's a restaurant.
In the summer months, there is extra space to camp on a part of the Flevoparkbad swimmingpool grounds near by, called 'Zeeburg Too'. No WiFi here, but free showers and entrance to the swimmingpool.
Camp site Zeeburg
