In order to maintain a water-craft in a safe and reliable condition, it will need to be maintained and cleaned on an on-going basis.
Washing the boat down with plain fresh water on a frequent basic is one step towards a boat needing to be waxed or washed. A good rinse is often sufficient to the eliminate the surface or water-line marks and grime that appears over time on the sidings and deck. General scrubbing to the deck on a frequent basis is ideal if you wish to avoid the need to use the harsher cleaners or detergents.
In order to eliminate a more persistent stain it might to necessary to use a detergent or a general-purpose boat soap. Look towards a soap that is intended to be effective and save on boat surfaces - and not one of the standard household cleaners. And to be safer to the environment use one of the biodegradable formulas.
If the coating is starting to appear a bit lackluster - use a boat wax to enrich the shine and color of the gelcoat. The wax is also effective in stopping the surface grime from becoming ground in. And a good coating of wax can extend the life of the protective coating.
For those occasions that a professional job is desired, such as putting a boat on brokerage, it can be a worthwhile investment to look at a boat maintenance or valet company. The valet companies offer a choice of services to give that 'as new' condition. Services offered include varnishing, cleaning (inside & out), teak renovation, waxing, and machine polishing.
Its crucial to keep in mind the boat cleaning tips and maintenance suggestions - negative points to not keeping up-to-date with the care of a boat is a slow but certain deterioration in the appearance and handling of the craft.