The Payment Is Half the Cost
Boat financing is unusual in two ways: terms run far longer than car loans — 15 or 20 years is standard on larger vessels — and the ownership costs rival the loan payment itself. A boat is not a car with water; it is a car that also needs a garage you rent, a mechanic every season, and storage for half the year.
The Ten Percent Rule
Annual maintenance on a boat runs roughly 10% of its purchase price, and rises with age. On an $85,000 boat that is $8,500 a year before mooring, insurance, storage or fuel. Adding those brings realistic annual ownership costs to $18,000–$20,000 — more than the loan payment on a 15-year term.
| Cost | Typical annual amount |
|---|---|
| Maintenance and repairs | 10% of price |
| Mooring or slip fees | $3,000–$12,000 depending on region and length |
| Insurance | 1–2% of value |
| Winter storage and haul-out | $1,000–$3,000 |
| Fuel, supplies, registration | Highly variable |
Long Terms and Negative Equity
Boats depreciate sharply — commonly 20–30% in the first year and 40–50% within five. A 20-year loan pays principal so slowly that the borrower can remain underwater for a decade. That matters most for the people most likely to sell: those who discover the ownership costs after the first season.
A larger down payment is the direct remedy. Twenty percent down on a 10-year term keeps the loan close to the boat's value throughout.
New or Used
The steepest depreciation happens before the third year, which makes a well-surveyed three-to-five-year-old boat substantially better value than a new one. The essential precaution is a professional marine survey — $500–$1,500 depending on size, and required by most insurers and lenders anyway. Hull, engine hours and moisture readings are where the expensive surprises hide.
Financing Details
Marine lenders typically want 10–20% down, a credit score above 700 for the best rates, and a debt-to-income ratio under 40%. Rates run 1–3 percentage points above car loans because the collateral is harder to repossess and resell. Interest may be deductible if the boat qualifies as a second home — it needs a berth, a galley and a head.
Frequently Asked Questions
How long can I finance a boat?
Up to 20 years on larger vessels, 10–15 years typically. Longer terms lower the payment and substantially increase both total interest and the time spent in negative equity.
Is a boat a good investment?
No. It is a depreciating asset with high carrying costs. The correct comparison is against renting or a boat club, not against an investment.
Does the loan cover the trailer and equipment?
Usually yes when purchased together and listed on the sale agreement. Electronics and safety equipment added later generally are not.