I usually give my whenever I make the reservation. They will only guarantee smoking or non-smoking request. On our last visit I asked to be near OPR at CBR and it worked. At the GF I asked for a MK view and I got it also. You can also fax your request to the resort about 4 days prior to arrival. It is easier if you don't ask for certain room numbers and such. I'm sure that other won't agree with me on that.