Re: yacht club questions
Depends on the YC, and what you like to do. If you're into sailing and racing, many of them have regular organized races, and even sailing instruction in small boats and the like. For example, The Port Angeles YC had Friday nite races in the summer, and Sunday races the rest of the year
Many of them have moorage associated with them.
Many are just socializing clubs for similar interests.
If they offer what you are interested in, join.