I stayed there last August. I have heard it is SP friendly. The elevators are directly across the front entrance doors, and the reception desk is all the way to the right, so you do not have to walk right past it.
From what I recall, they have the doors unlocked 24/7, so you don't have to have a key to get in the hotel lobby late at night.
Parking is $21 a day.
Crescent Street is about a 6 block walk. Go north on Peel 2 blocks, then make a left on Ste. Catherine's for 4 blocks. Make a right on Crescent St.
BTW it is a beautiful hotel. I believe it was renovated very recently.
Here is the information on the hotel from Marriott's website:
http://marriott.com/property/propertypage.mi?marshaCode=YULCC
http://marriott.com/property/factsheet/yulcc?WT_Ref=mi_left
Hope this helps.
CK