You can see signs like yacht for sale near the harbor. Many dealers specialize in sales of boats. It could also be a private party, which puts up a sign saying yacht for sale. Whoever puts up the sign the idea is that someone wants to sell their boat and you go to look at it. It is a nice yacht to look at but that is about all you could see. If it is a dealer then he puts in many checks to make sure he does not get in fix.

The dealer, who put the sign yacht for sale,  if any work were required, it would be done before it is put on the lot. Like you, many people saw the sign yacht for sale and came to see. You shop around for a long time while the dealer educates you in the art of buying a boat.