..and with storage an issue for some people, by taking Tom's advice you'll often find a marina owner who is both helpful and happy for you to keep the boat right where it is so long as you're paying the rent.
It's a win-win: You gain a boat; he gains a paying customer.
From RFC 1925: "(3) With sufficient thrust, pigs fly just fine. However, this is not necessarily a good idea. It is hard to be sure where they are going to land, and it could be dangerous sitting under them as they fly overhead."