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Calculate and analyze your financial information.
$477.54
Everything you need to know
A boat loan is a secured installment loan used specifically to finance the purchase of a watercraft. Like auto loans, the boat itself serves as collateral, which allows lenders to offer competitive rates. Boat loans typically feature longer terms (10-20 years) compared to car loans, which helps keep monthly payments manageable despite the higher purchase prices.
Boats are a significant investment that combines a purchase price, ongoing maintenance, insurance, storage, and operational costs. Understanding the financing component—and how it fits into the total cost of boat ownership—is essential for making an informed decision about whether boat ownership fits your budget and lifestyle.
Using our boat loan calculator is straightforward:
Enter the Boat Price
Specify Your Down Payment
Provide the Interest Rate (APR)
Select the Loan Term
View Your Results
The monthly payment on a boat loan is calculated using the standard amortization formula:
M = P × [r(1+r)^n] / [(1+r)^n-1]
Where:
Boat Purchase Details:
Monthly Payment Calculation:
M = $70,000 × [0.005417(1.005417)^180] / [(1.005417)^180-1] M = $558.72
Total Cost Analysis:
Same $85,000 boat, 6.5% APR, 15 years:
| Down Payment | Amount Financed | Monthly Payment | Total Interest |
|---|---|---|---|
| 10% ($8,500) | $76,500 | $607 | $35,260 |
| 15% ($12,750) | $72,250 | $574 | $32,380 |
| 20% ($17,000) | $68,000 | $541 | $29,380 |
| 25% ($21,250) | $63,750 | $507 | $27,280 |
A 15% increase in down payment (10% to 25%) saves $7,980 in interest—proving that putting more money down is one of the best investments.
$70,000 boat loan at 6.5% APR:
| Term | Monthly Payment | Total Interest |
|---|---|---|
| 10 Years | $733 | $18,000 |
| 12 Years | $644 | $22,080 |
| 15 Years | $559 | $30,570 |
| 20 Years | $467 | $42,080 |
A longer 20-year term saves $266/month but costs $12,510 more in total interest. The trade-off between monthly affordability and total cost is critical.
$70,000 loan, 15-year term:
| Interest Rate | Monthly Payment | Total Interest |
|---|---|---|
| 4.5% | $517 | $23,060 |
| 5.5% | $538 | $26,840 |
| 6.5% | $559 | $30,570 |
| 7.5% | $580 | $34,400 |
| 8.5% | $601 | $38,180 |
A 4% difference in interest rate ($517 vs. $601/month) results in $15,120 more in total interest—showing the importance of shopping for the best rate.
New $85,000 Boat:
Used $35,000 Boat (3 years old):
New boats cost significantly more monthly and in total, but spread over a longer potential ownership period may be justified if financing a boat you'll keep for 20+ years.
This is the loan amount divided by the boat's value. Lenders prefer lower LTVs (70-80% is typical). A higher down payment improves your LTV and can qualify you for better interest rates. For example:
Boat loan rates depend on:
The monthly payment is only part of boat ownership costs:
A $85,000 boat might cost $30,000-40,000 annually beyond the loan payment!
Making extra principal payments on boat loans can significantly reduce total interest:
Boats depreciate rapidly:
This means you're often "underwater" (owing more than the boat is worth) for the first few years. This is another reason substantial down payments matter.
Disclaimer: This calculator provides an estimate for informational purposes only. Your actual boat loan terms will be determined by a lender based on your credit history, the boat's value, type, age, your income, and current market rates. Always consult with lenders for accurate quotes and pre-approval.