The apartment is a very good choice. It is spacious with two bathrooms and three bedrooms. As there are twin beds in two rooms it is perfect for travelling with friends. Kitchen is very well equipped, and in addition you will be provided with bathroom amenities.
The location is perfect, especially when you travel to Venice for Biennale - 2 minutes walk to Giardini and just 10 minutes to Arsenale. In surrounding you will find many good bars, restaurants and also grocery store.
Hosts are helpful and communicate very well - so you will get many additional info which will help you to reach the venue and organize the stay in Venice.