This is a good bargain--you are close to Venezia without paying the high costs of staying in the city. This is basically like a dormitory, with a shared bathroom and other guests in their rooms. So keep in mind, you will not have complete privacy. However, it was clean and there was a refrigerator to use, although no cups, plates or utensils.
If you are someone who needs to rest often and likes to cook for yourself while you travel, I would recommend looking elsewhere, because there is no kitchen and it is perhaps inconvenient to return to Mestre in the middle of the day to relax. If you are young and able to stay out exploring all day without coming home to eat or rest, this is a great and inexpensive option.