Great place, comfortable beds, wonderful location. Our check-in was through the Stow Your Bags shop down the street. We had bags held, so that could be why - not sure if everyone checks in there.
If you're in Rome and staying here, spend some time in Trastevere right away! We did all of the major sights and finally made it to Trastevere after walking down the hill from watching the sunset at Gianicolo on our last night. We were so disappointed to have not gone earlier. It's about 5-10 minutes by walk across the river.