Location is great (perfect easy ski in/out.) Hotel staff friendly. Room was comfortable (tiny shower though) and always clean. Sauna great, good spa for massages/treatments as well.
Dinner buffet is a relatively cheap option compared to going to good restaurants. The food was decent (excellent vegetables, but disappointing proteins.) Dinner service was a few days terrible (like not asking if you want to drink something), but luckily improved the next days. Christmas dinner was great.
Overall, I think the price/quality of a few other hotels might be better, but still we enjoyed our stay at Hotel Marielle.