I stayed in Iguazu just for one night. This was a perfect place. It is right at the city center, in front of the bus terminal that takes you to the park, but still with an intimate feeling.
If you are looking for a practical place with all the amenities, this is it. If you want to stay in the middle of the jungle, this is not your option as it is a regular hotel.
It was a great choice for us as I only needed a good place to sleep, it had all the amenities, good breakfast, with several shops and restaurants just around the corner. I would definitely stay here again.