Nice studio in the centre of Marais perfect for one person / a couple. Unfortunately it’s very dark, no day light nor real lamps for the evening. The real issue is the terrible service, how DIRTY the place is (a white cat was surely living there and no one cleaned since) plus very annoying on advertising additional touristic attraction no stop. HostFly is not reliable at all when required (for instance when the alarm is ringing, you may wait WiFi access keys for days, or many supplies stated not provided) Plus no network in the building.
I do not recommend this place.