We stayed here as a family getaway for 7 of us to celebrate a big birthday, and I kept the booking a secret from my family until we all arrived- seeing their jaws drop as we walked in was great! The place is huge, with all of the old glamour and grandeur that you come to Venice to experience.
The location is ideal - you can be in St. Mark's or the Rialto in minutes by foot, or jump straight onto a Vaporetto on the Grand Canal if you need to save your feet a bit. Still, despite being in the middle of everything it's very peaceful and we all slept well in the comfy beds.
I've stayed in Venice a few times in the past for as cheap as possible (which is often still not very cheap)- tucked away in cramped attics or down alleyways- and I was amazed that we could all stay together in somewhere so generously proportioned and beautiful for a reasonable price. I'd recommend Rita's place to anyone, it'll make your trip to Venice all the more special.