Location at BC is 5th floor, only club level/concierge guests are allowed up there (you'll use your room key in the elevator to get it to go to the 5th floor).
The lounge is small, but we've always had great service when we stayed there. Continental type breakfast foods, afternoon snacks/appetizers, drinks including wine & cordials in the evening and evening desserts.
When our kids were small it was great, because we could leave them in the room and go get coffee or a drink in the evening. Breakfast was so much quicker & easier than trying to go to a restaurant.
We really enjoyed it, but it does cost a good bit more than a regular room.