Boat Loan Calculator

A boat loan calculator estimates your monthly payment and total cost for financing a boat. Enter the boat price, down payment, trade-in, sales tax, fees, APR, and loan term, and the calculator computes the amount financed, monthly payment using PMT = P*r/(1-(1+r)^-n), total interest, and a full amortization schedule.

Most marine lenders require 10-20% down. Putting 20% down avoids lender surcharges, lowers your monthly payment, and reduces the risk of owing more than the boat is worth. Smaller boats under $25,000 sometimes qualify with 10% down and strong credit.

Boat loans commonly run 60-240 months (5-20 years). Larger loans, often over $50,000-$100,000, may qualify for 15-20 year terms. Longer terms lower the monthly payment but sharply increase total interest: a 20-year loan can cost roughly double the financed amount in interest.

Rates vary with credit score, loan size, term, and whether the boat is new or used. As an educational reference, prime borrowers on new boats often see rates in the 6-9% range; used boats and longer terms usually run higher. Your actual rate comes only from a lender quote: this calculator uses whatever APR you enter.

Most lenders require an out-of-water marine survey for used boats, and many for new boats over a certain size. A survey typically costs $15-$25 per foot of boat length and documents the vessel's condition and fair market value for the lender. This calculator includes an optional survey fee input.

Yes, but lenders set age limits: many will not finance boats older than 10-20 years, and some charge higher rates for older vessels. Older boats may also need a more detailed survey. Enter the boat's details and your best available APR to compare costs.

Boat loans are marine installment loans with longer terms (up to 20 years vs. 5-7 for cars), larger down payments (10-20%), and marine-specific requirements like surveys and vessel insurance. The boat itself is collateral, like a car loan, and the lender can repossess it if you default.

Yes: virtually all marine lenders require comprehensive vessel insurance naming the lender as loss payee for the life of the loan. Budget roughly 1-1.5% of the boat's value per year for insurance, plus slip fees and maintenance (often estimated at about 10% of the boat's value per year).

Many marine lenders prefer scores of 680+, with the best rates going to 720+ borrowers. Approval is possible below 680 but usually with a higher rate, larger down payment, or shorter term. This is educational information: only a lender can determine your eligibility.

Yes. Because interest accrues monthly on the remaining balance, any extra payment goes entirely to principal and shortens the loan. Enter an extra monthly amount in the calculator to see how many months and how much interest you save: on a 20-year loan the savings can be tens of thousands of dollars.

Budget for insurance (about 1% of value per year), slip or storage ($200-$600+ per month depending on region), maintenance (about 10% of value per year), fuel, and winterization. The 10% rule estimates annual ownership costs at roughly 10% of the purchase price: this calculator's ownership section helps you total them.

Sometimes. If the boat qualifies as a second home (sleeping, cooking, and toilet facilities) and the loan is secured by the boat, interest may be deductible under U.S. tax rules, but rules change and vary by situation. This is educational information only: consult a tax professional for your case.

Lenders weigh your credit score, debt-to-income ratio, the loan-to-value ratio (LTV: most want 80-90% or less), the boat's age and condition (verified by survey), and your down payment. A 20% down payment and an LTV under 80% strengthen most applications.

The boat is collateral, so the lender can repossess it after missed payments, and the default damages your credit. If the resale does not cover the balance, you may owe the deficiency. This is educational information: contact your lender early if you expect trouble making payments.