Marais is a GREAT location to be in if you are a tourist. I was there for business, so the location did not really matter to me. The apartment is small as mentioned, but really efficient, clean and a nice interior design with high ceilings. Don't let the ghetto style entry and stair ways put you off, that's typical Paris... the apartment itself is nice. The streets are loud during the day, but surprisingly quiet during the night! I slept just fine. Enjoy Paris!!!