Like anything else, the best way to care for your boat is using a boat wax. Don't wait until you can barely see your boat under all of the grime that has built up, to decide it needs a good cleaning. If you will clean your boat yourself, you'll need some cleaning materials first. If your vessel is made of fibreglass like most boats, you will be required to use certain cleaning materials that won't damage the surface. Don't use hard bristle brushes or harsh cleansers. Visit stores that sell boat cleaning materials and see what they offer for cleaning...