The median home in Marathon, Florida is valued at $808,158, down 2.6% year over year. Typical monthly rent is $3,900, producing a price-to-rent ratio of 17.3x — near the national average of 18x. Marathon is part of the Key West, FL metropolitan area, which CrashWatch tracks daily with real-time stress scores and crash risk analysis.

See the full metro analysis: Key West, FL stress score, crash risk, and 12-month forecast →

Home Value$808,158

-2.6%

Rent$3,900/mo

AFFORDABILITY

Enter your income for Marathon.

Income (annual)

Down Payment

$161,632 on $808,158

Out of reach — 80.3% of income

Need $214,971/yr to afford.

PITI$5,016

P/I80.3%

Afford$282K

Gap-$526K

P&I $4,086Tax $579Ins $350

Renting $1,116/mo cheaper ($3,900 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 Marathon 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 Key West, FL analysis

Stress scores, crash risk, early warning signals, and 12-month price forecasts for the Key West, FL metro.

View Key West, FL metro →

MARATHON, FL