The median home in Key Biscayne, Florida is valued at $1,619,714, down 3.1% year over year. Typical monthly rent is $7,188, producing a price-to-rent ratio of 18.8x — near the national average of 18x. Key Biscayne is part of the Miami-Fort Lauderdale-Pompano Beach, FL metropolitan area, which CrashWatch tracks daily with real-time stress scores and crash risk analysis.

See the full metro analysis: Miami-Fort Lauderdale-Pompano Beach, FL stress score, crash risk, and 12-month forecast →

Home Value$1,619,714

-3.1%

Rent$7,188/mo

AFFORDABILITY

Enter your income for Key Biscayne.

Income (annual)

Down Payment

$323,943 on $1,619,714

Out of reach — 155.2% of income

Need $415,757/yr to afford.

PITI$9,701

P/I155.2%

Afford$292K

Gap-$1328K

P&I $8,190Tax $1,161Ins $350

Renting $2,513/mo cheaper ($7,188 rent)6.50% 30yr, 20% down, county tax + FL ins. 28% per HUD.

Home Buying Kit For Dummies (2025)Financing, negotiation, closing

Other cities in Florida

Compare Key Biscayne with other housing markets across Florida.

Jupiter Island$9494K Golden Beach$7499K Fisher Island$6393K Lake Buena Vista$6088K Jupiter Inlet Colony$3619K Manalapan$3569K Golf$2871K Boca Grande$2635K

Full Miami-Fort Lauderdale-Pompano Beach, FL analysis

Stress scores, crash risk, early warning signals, and 12-month price forecasts for the Miami-Fort Lauderdale-Pompano Beach, FL metro.

View Miami-Fort Lauderdale-Pompano Beach, FL metro →

KEY BISCAYNE, FL