When you are wealthy enough to own or charter a megayacht; it means you have to work quite hard to make money. In general, it also means that you may not be able to seperate yourself from your business during your vacation.
That's why all of the megayachts have an office area in them; for the owner/guest use.
Small or large; there is a decent size desk and station for necessary connections,
Below are some examples for them...
Design is the Salt X Pepper of life. It is not a must, but if you have it, then you have the appetite for life.