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Diver & Bottom Cleaning Services

The diver is the most-used contractor in any cruiser's regular service rotation. Bottom cleans, zinc swaps, line clearing, the occasional emergency patch — these are routine work that keeps the boat running between haul-outs. In most cruiser anchorages, a good diver is easy to find through the morning net.

What divers do

  • Bottom cleaning: Remove growth, restore antifouling.
  • Zinc replacement: Swap sacrificial anodes on shaft, hull, rudder.
  • Prop and shaft inspection: Check for damage, line wrap.
  • Through-hull inspection: External condition of fittings.
  • Lost item recovery: Tools, anchors, kit dropped overboard.
  • Emergency work: Temporary patches, line clearing, freeing fouled gear.
  • Pre-purchase surveys: Underwater inspection before buying.

What it costs

ServiceCommon range (USD)Notes
Bottom clean (40 ft, cruiser regions)$60–150Per visit
Bottom clean (US, EU)$150–250Per visit
Zinc replacement$30–80 + partsPer anode
Line/anchor recovery$60–200Depends on depth, time
Pre-purchase survey$200–500Underwater inspection
Emergency repair (patch)$200–600Through-hull, hose failure

Frequently asked questions

How often to clean?

Monthly tropical; 2–3 months temperate.

Cost?

$60–250 per visit depending on region.

DIY?

Many cruisers snorkel-clean. Tank diving better for thorough work.

What else can divers do?

Inspection, recovery, emergency patches, pre-purchase surveys.

Finding one?

Cruisers' Net on VHF or marina office.

Related

  • Bottom Painting & Antifouling
  • Haul-Out & Travelift Services
  • Propeller & Shaft Work
  • Marine Surveyors
  • How to Find a Reliable Tradesman

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