Key takeaways
- Use more than one valuation source and compare against recent listings for similar boats in your region.
- A sea trial shows how the boat runs; an independent marine survey documents its condition. Lenders and insurers may ask for a survey on some boats.
- Match the hull identification number (HIN) on the boat to the title or documentation, and confirm any existing lien will be paid off at closing.
- Make your offer contingent on a satisfactory survey, sea trial and financing where possible.
Where to look for a used boat
Used boats are sold by dealers (often as trade-ins or brokerage listings), by yacht brokers who represent a seller, and by private owners through online marketplaces, classified listings, marina bulletin boards and boat clubs. Each source has a different process. A dealer or broker typically handles paperwork and coordinates the closing, while a private sale puts more of that work on you and the seller. See buying from a dealer and buying from a private seller for the details of each path.
Whatever the source, ask early for the year, make, model, engine make and model, engine hours, the HIN, maintenance records and whether there is a loan on the boat.
Checking the value
Valuation guides such as J.D. Power (NADAguides) marine values and BUC values publish estimated price ranges for many boats, engines and trailers by year and equipment. They are a starting point, not an appraisal. Condition, engine hours, options, upgrades, region and season can push a specific boat above or below a guide range.
Add context by looking at asking prices for comparable boats in your area, keeping in mind that asking prices are not selling prices. A marine survey usually includes the surveyor's opinion of fair market value, and lenders may use that figure or a guide value when deciding how much they will lend on an older boat.
Sea trial and marine survey
A sea trial is a test run on the water. It is your chance to see how the boat starts, idles, accelerates, planes, steers and stops, and to check that gauges, electronics, pumps and steering work under load. Run it with the engine cold at the start if you can, since some problems show up only on a cold start.
A marine survey is an inspection by an independent marine surveyor. A condition and valuation survey typically covers the hull and deck, structure, electrical and fuel systems, safety equipment and compliance items, and ends with a written report and a value opinion. Surveys are usually paid by the buyer, and the cost can vary with boat length and type. On larger or older boats, a lender or insurer may require one before approving the loan or the policy.
Many buyers also order a separate engine survey by a marine mechanic, which may include compression tests and an oil analysis. Hull surveyors often do not take engines apart, so the two inspections complement each other.
Choose the surveyor yourself rather than using one suggested by the seller, and ask whether the surveyor's report is accepted by your lender and insurer before you book.
Engine hours and maintenance records
Engine hours show how long the engine has run, much like a car's odometer. There is no single "good" number: an engine that ran many hours with regular service can be in better shape than a low-hour engine that sat unused for years. Expected engine life also differs between outboards, sterndrives, inboards and diesels.
Ask for service receipts showing oil changes, impeller replacements, lower-unit service, winterization and any major repairs. Missing records do not rule a boat out, but they are a reason to lean more heavily on the engine survey.
Title, lien and HIN checks
Before any money changes hands, confirm that the person selling the boat is the person, or business, named on the ownership record. Depending on the boat and the state, that record may be a state title, a state registration, or a U.S. Coast Guard Certificate of Documentation for documented vessels.
- HIN: the 12-character hull identification number is usually on the upper starboard side of the transom. It should match the title or documentation exactly, with no signs of tampering.
- Liens: check the title or documentation for a recorded lien. If there is one, the existing loan must be paid off and the lien released as part of the sale.
- Engines and trailer: outboard serial numbers and a trailer title or registration (where your state requires one) should also match the paperwork.
Financing considerations for a used boat
Lenders may treat used boats differently from new ones. The boat's age, value and condition can affect the available term, the maximum amount financed, and whether a survey is required. Some lenders have age limits for the boats they finance. Details vary by lender, so ask early rather than after you have an accepted offer. Used boat financing covers the process in more depth.
Term length still drives the trade-off between monthly payment and total interest. An illustrative example:
| Term | Monthly payment | Total interest |
|---|---|---|
| 10 years (120 months) | $347 | $13,659 |
| 15 years (180 months) | $276 | $21,631 |
Run your used-boat numbersEnter the asking price, your down payment and an estimated APR to see the payment.
Open Boat Payment CalculatorRemember the costs that come after the purchase. A used boat may need new batteries, bottom paint, canvas or service soon after you buy it, along with insurance, storage and registration. The ownership cost calculator can help you estimate them.
Frequently asked questions
Not always. Requirements vary by lender and often depend on the boat's age, size and loan amount. Insurers may have their own survey requirements. Many buyers order one regardless, because the report helps them understand the boat's condition before closing.
The buyer usually pays for the survey and any haul-out needed to inspect the hull. Fuel for the sea trial and other costs are typically agreed between buyer and seller, so put the arrangement in writing.
Yes, but the seller's existing loan has to be paid off and the lien released as part of the sale. This is often handled through the buyer's lender, an escrow service or the dealer, so that the payoff and title transfer happen together.
Guides give a useful range for typical equipment and condition. A specific boat's value can differ because of condition, engine hours, upgrades and local demand, which is why surveys and comparable listings are useful alongside them.
