Thank you JohnK6504 we did book the Beach Bungalow on Labadee thanks to you’r advice. I did pose the question in an email to Royals excursions a few days before this post-but I was impatient for an answer. They did finally answer me and this was their response if anyone is interested:
Kindly note, when you reserve a Beach Bungalows tour ZL1A, you only need to select and make the reservation under one name. You will not be able to add the rest of your party to the Beach Bungalow before your sailing. However, once you are on board, you will receive a letter in your stateroom that includes your tickets, Beach Bungalow number, and a Beach Bungalow Map to help you locate your Beach Bungalow. At that moment you may provide the tickets to your party.