Just don't waste your time and money on this. I very rarely must give a poor review here, but I must on this one. The First Mate was very kind and helped me down the stairs (I'd had surgery). The ship is described as "luxurious," but it is just a very ordinary boat, nothing even close to luxurious. The coral was a matte green, nothing colorful. Plant life---what there was of it---was not varied or colorful. I saw one lackluster turtle. My husband did see a very small shark, but I could not. A jellyfish was pointed out to us, but neither of us saw it. It was a total waste of money and time. The narration might have been interesting, but a bad sound system prevented hearing it, and we were only a few feet from him. Plan to do something different while in Key Largo.