However, if it has been out of the water for a long time and protected from the elements, now would be a good time for a fix while it is still dry. Why not get a quote from someone and go from there? If you think it's too much you can go ahead and use it the way it is. It will do better if trailered as opposed to leaving it in the water all the time. Or maybe you have some teenagers who would like a project. The major paint companies have special products with instructions for their use.