≈ $130,000 down
Ongoing housing costs
Estimated total
$3,355/mo
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By Alex Diaz · How we calculate this
Homes in coastal flood zones typically need a separate flood insurance policy, since a standard homeowners policy excludes flood damage entirely. If the property carries a mortgage and sits in a FEMA-designated flood zone, the lender will require that coverage as a condition of the loan, not just recommend it. Enter the beach house's price, down payment, interest rate, and loan term below, and this calculator turns those into a monthly payment weighed against your income and credit profile.
These key factors affect beach house affordability
Income and expenses
A beach house payment rarely stands alone. Most buyers are already carrying a primary residence mortgage, so this calculator weighs the new payment against your income alongside whatever other debt you've logged, not by itself.
Credit score
Second-home financing already comes with a pricing hit built in, separate from your credit score. Fannie Mae and Freddie Mac both add a rate adjustment to any loan on a second home, and that adjustment stacks on top of whatever your score would otherwise get you rather than replacing it, so a lower score does more damage to your rate here than it would on a primary residence loan.
Insurance and flood risk
Standard homeowners insurance excludes flood damage, so a coastal property usually needs a separate policy through the National Flood Insurance Program or a private flood insurer, and if the home sits in a FEMA-designated flood zone with a mortgage, that coverage isn't optional. NFIP policies cap building coverage at $250,000 for a single-family home, which often isn't enough on its own for a higher-value beach house, so it's common to layer on private excess coverage, and windstorm insurance is frequently a third separate policy in hurricane-prone states. Get real quotes for the specific address before you buy, since flood and wind premiums vary enormously by elevation and distance from the water.
Down payment and loan term
Down payment minimums run higher here too. Conventional guidelines from Fannie Mae and Freddie Mac generally call for at least 10% down on a second home, well above the lower minimums available on some primary-residence programs, and lenders often want to see more than that once a flood zone is involved. That larger check upfront shrinks the loan itself, while stretching the term out lowers the monthly payment at the cost of more interest paid before the place is fully yours.
Maintenance and vacancy
Salt air and humidity are hard on a house. Roofs, HVAC systems, and exterior finishes tend to wear out faster near the ocean than they would inland, and storm exposure adds a layer of upkeep a landlocked property never sees. A beach house also tends to sit empty for long stretches unless you actively rent it out, and renting brings its own costs, cleaning, management, and extra wear, that eat into whatever it brings in.
How to use your results
Try adjusting the inputs to see what actually moves your risk score:
- Down payment - second-home loans often require more down than a primary mortgage.
- Existing debt - include your primary mortgage if you're carrying one alongside this purchase.
- Insurance - get a real flood and windstorm quote for the specific property before you buy.
Ways to increase how much beach house you can afford
- Pay down existing debt, including your primary mortgage if possible, before taking on a second one.
- Save for a larger down payment, since second-home loans often require more down.
- Get real insurance quotes for flood and windstorm coverage before you commit to a price range.
- Consider renting the property part of the year to help offset the payment and upkeep costs.
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Peer comparison data
Bureau of Labor Statistics (median income by age), Experian (credit score by age)
Used by the “how you compare” figures in the sidebar, not by the costs on this page.
Every figure on this site, with its source and the date it was last verified
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