We had a great stay at Ahmeds place! We have stayed in southern marais previously which is more "cozy". However the street is more southern Marais than the surroundings. Ut has cool restaurants, winebars and an interesting combination of winebar/restaurant that I only had a sniff at.
The apartment is perfect for a couple and has everything you need.
Ahmed is, as been said before, a super host. He pretty much answers the question before it has been asked!
Would definitely stay again!