The apartment is exactly as it appears in the listing. One queen size bed upstairs and the "couch" can be used for a bed downstairs. We had no need for a second bed and the couch proved quite comfy for lounging.
The apartment facilities are great - really nice bathroom with plenty of hot water but be warned that tall people (over 6') will need to use the hand shower. We made limited use of the kitchen, laundry, etc but it's all there and it all works fine.
For the ladies - plenty of counter space and good lighting in the bathroom for getting ready but the hair dryer is one of those cheap little travel dryers. Not good if you are used to higher powered full sized blow dryer.
The location was wonderful. Right in the middle of everything and very short walks to all that Venice has to offer.
Nicola was a good host, he met us at the apartment promptly and demonstrated how to use everything in the apartment BUT the check in process took longer than necessary. Instead of coming prepared with check in materials he had to take our passports to some unknown location (a little unnerving) and then we had to wait for him to come back. This was a minor inconvenience but we would have preferred to just check in quickly and start exploring Venice! The whole process took about 45 mins.
Overall we really enjoyed our stay at the apartment and would stay again if in Venice.