Surprised nobody has mentioned Sidecut inside the Four Seasons. Great atmosphere, great steak. I always go for the 48oz longbone and some appies to share with 3-4 people because we can barely finish it. It's my "go to" everytime I hit up Whistler.
They used to have a "Longbone Set" which was a great deal but they took it off which sucks haha, my memory is hazy cuz it was quite a few years ago but it was something along the lines of the Long Bone steak ($155), 2 appies ($18-$29) and a bottle of wine ($80) for like $230. You essentially get the appies for free I think.