It's been discussed many times on different threads, specially many that bring their own wine. They ask room service for wine glasses and even a corkscrew, while getting the all hands on deck platter. Then prior to going to the MDR, fill the glass and take it with you. Those many who mentioned have done it, said they were never questioned about it at all, nor charged any fees. This works if you only drink one glass with dinner (last cruise I was going to do it, and forgot my couple of bottles I planned on bring in However, if you do bring your own bottle of wine, opened or not, you would be charged the corkage fee. My .02..