I don't necessarily think you are asking too much but you just need to find the right person in a relatively small pool or people. 18 feet is probably a bigger boat than most want and people in the used market can generally find what they want for under $4k.

Someone will love this boat, you just need to find him. Maybe a guide?

I wish you all the luck with the sale and with your health. That boat really is sweet!

-Kaiser D.