I built something like this where it allowed me to basically "live on the beach". The hardest part was as one gets older and has more responsibilities (family), that lifestyle wasn't sustainable. The kids need a stable environment where they can see their friends, play sports... that sort of thing. As well, it helps to be around family and to help them out when they need help, rather than finding out about family members having health problems or needing assistance and can't do anything about it.

I do think that if one is able to and afforded this lucky opportunity, it is a great experience to have. I never experienced the "living on the beach" part, but can see how operating a business like mine (and the author's) is a requisite for potentially having that kind of lifestyle. Just need to be young and have less responsibilities.