Seattle · Puget Sound · Fri–Sun
Underwater hull cleaning at your Seattle slip.
The boat stays in the slip. We go under it. ADCI-certified divers remove barnacles, algae and growth, polish the prop and inspect the hull on HD video. No haul-out, no yard. Packages from $500, quote within 24 hours.
Below the waterline
Three jobs, done where you can't see them.
All performed in the water at your berth, by the same diver, with the camera running. Prices are published; the final number depends on growth and location.
ADCI-certified commercial divers Licensed, bonded & insured HD video included on every job Friday to Sunday, 7am – 6pm
- Waterline to keelHull cleaningIn-water barnacle, algae and biofouling removal at your slip.From $500by vessel length
- Running gearPropeller cleaning & polishingGrowth removal and blade polishing for thrust, fuel economy and less vibration.Quotedwith your hull package or on its own
- Stem to sternHull inspectionHD-video below-waterline inspection with a written report, same day.From $200up to $500 for larger or complex vessels
Why in-water
A fouled hull costs fuel. A haul-out costs more.
A fouled hull reduces fuel efficiency by 10–40%. Puget Sound's cold, nutrient-rich water produces aggressive biofouling, so hulls here need cleaning every 60–90 days to keep performing. A drydock haul for a 40-foot vessel costs $3,000–$6,000 before any work begins once you add yard fees, travel lift, power hook-up and repainting.
In-water service removes all of that. Your vessel stays in its slip, the antifouling paint stays intact, and the work is done in hours, not days, with video to show for it.
| In-water with RapidScuba | Drydock haul-out | |
|---|---|---|
| Where | Your slip, any Seattle marina | Boatyard; you move the boat |
| Time out of service | Hours | Days |
| Fixed costs | None. Packages from $500. | Lift, yard storage, power, pressure wash |
| Antifouling paint | Preserved | Often needs repainting |
| Scheduling | Same-day or next-day for most jobs | Wait for a travel-lift slot |
How it works
From quote to video report in four steps.
Request received
We review your vessel details and location.
Quote & contact
We call or email you with a quote within 24 hours.
Dive scheduled
We pick a date and come to your slip. No haul-out, no travel for you.
Report delivered
You get photo and video documentation, then the invoice.
What you can hold us to
RapidScuba is a Seattle commercial dive service. We deliver professional below-waterline work without the cost or downtime of dry-docking, and we document it.
- ADCI-certified commercial divers
- Licensed, bonded and fully insured ($1M+ liability)
- OSHA 29 CFR 1910.430 compliant operations
- Before/after underwater video on every job
- Same-day or next-day service for most jobs
- You pay after the job is done to your satisfaction
Service area
Seattle marinas we dive.
We come to your slip throughout Seattle, Puget Sound and greater King County. No haul-out, no trailering.
- Shilshole Bay MarinaBallardSalt · 60–90 d
- Elliott Bay MarinaDowntown waterfrontSalt · 60–90 d
- Lake UnionHouseboats & marina rowFresh · 3–6 mo
- Eastlake & Portage BayNear UWFresh · 3–6 mo
- Lake WashingtonKirkland & Bellevue sideFresh · 3–6 mo
- Bainbridge IslandEagle Harbor & Port MadisonSalt · 60–90 d
- Edmonds MarinaNorth of SeattleSalt · 60–90 d
- Des Moines MarinaSouth of SeattleSalt · 60–90 d
- Puget Sound anchoragesBy arrangementSalt · 60–90 d
Shilshole Bay Marina, Ballard
The largest marina in the Pacific Northwest with 1,400+ slips. Direct saltwater exposure and strong tidal exchange from Puget Sound mean hulls here need cleaning year-round.
Lake Union
Houseboats, classic sailboats, wooden vessels and marina row. Fresh water means algae and slime rather than barnacles, so cleaning intervals are longer than in saltwater.
Eastlake and Portage Bay
Calm, protected freshwater moorage near the University of Washington on the same schedule as Lake Union. Close to the Ship Canal, so among the easiest locations for our dive team to reach.
Elliott Bay Marina
Downtown waterfront with heavy commercial traffic, saltwater exposure, ferry wakes and dense mooring. One of the most frequently scheduled stops in our rotation.
Lake Washington, Kirkland and Bellevue side
Kirkland Marina, Carillon Point and Meydenbauer Bay. Freshwater, so a longer interval than saltwater, but algae and biofilm build quickly in the warm summer months.
Bainbridge Island
Eagle Harbor and Port Madison, on Puget Sound saltwater schedules of every 60–90 days in summer. Our crew makes the crossing for scheduled maintenance and urgent dive response.
Guides
Before you book, the questions owners ask.
Read the FAQHow often should you clean a boat hull in Seattle?
Puget Sound fouling rates, the 60–90 day rule, seasonal patterns, signs your hull needs cleaning, and what waiting costs in fuel and paint.
Cost of hull cleaning in Seattle marinas (2026 guide)
Package prices by vessel length, what is included, add-on services, and a direct comparison with a drydock haul-out.
Barnacle removal for Seattle boats: biology, DIY risks and the professional process
How barnacles cement themselves to hull paint, why scraping them yourself usually costs more, and how in-water removal is done.
Get a quote
Request a free quote.
Four quick fields. We reply within 24 hours with a number for your boat.