Hull cleaning costs vary depending on the size of your vessel, how much growth has accumulated, and whether the work is done in the water or out of it.
Barnacle King prices its services per foot, which is the industry standard across most professional dive cleaning companies. Understanding what goes into the price helps you budget for regular maintenance and avoid the much larger bills that come from letting fouling get out of hand.
What Affects the Price?
The biggest factor is vessel length. Most professional hull cleaning services charge a per-foot rate, with the price scaling up as the boat gets larger.
A 25-foot center console costs less to clean than a 60-foot motor yacht, and the time involved reflects that difference. The condition of the hull also matters. A boat on a regular monthly cleaning schedule will have soft growth that wipes off quickly, which keeps the job short and the cost low.
A boat that hasn’t been cleaned in three or four months may have hardened barnacles that require more time, more effort, and potentially cavitation cleaning to remove without damaging the paint.
Additional services can factor into cost as well. Many boat owners bundle hull cleaning with zinc anode inspections and replacement, prop polishing, or running gear checks. Bundling makes sense because the diver is already in the water, and catching a worn zinc or a fouled prop during a routine cleaning prevents a much more expensive problem later.
In-Water Cleaning vs. Haul-Out
One of the biggest cost advantages of professional dive cleaning is that it eliminates the need to haul your boat out of the water.
Haul-outs involve crane or travel lift fees, yard time, blocking, and often a pressure wash charge on top of whatever cleaning or paint work you need done. Those costs add up quickly. According to BoatUS, haul-out and bottom maintenance are among the most significant recurring expenses of boat ownership.
In-water cleaning skips all of that. The diver comes to your slip, cleans the hull, inspects your underwater hardware, and provides a full report with photos.
Your boat stays in the water, stays available, and the total cost is a fraction of what a haul-out day would run you. For boat owners who keep their vessel in a slip year-round, this is the most practical and cost-effective way to maintain a clean bottom.
The Cost of Not Cleaning
The real expense isn’t the cleaning itself. It’s what happens when you skip it. Heavy barnacle growth increases fuel consumption by 20 to 40 percent according to IMO-backed research, which means every trip costs you more at the pump.
Aggressive scraping to remove hardened growth strips bottom paint, which shortens the life of your paint job and moves up your next haul-out and repaint. A single bottom job can cost several thousand dollars depending on the vessel size and paint type.
Monthly cleaning keeps the growth soft, the paint intact, and your fuel costs stable. Over a full season, the math consistently favors regular maintenance over delayed cleanings followed by expensive corrective work.
If you want to understand what a cleaning schedule would look like for your boat, reach out to the team for a quote based on your vessel and location.