$2,800,000 buys the median home in Key Biscayne right now. With 20% down, that's a $560,000 down payment and a $2,240,000 loan, set against a $165,000 median household income.
Property taxes in Key Biscayne run 0.96% of assessed value, below the 1.1% national average. On the median home, that's $26,880 a year, or $2,240 added to the monthly payment.
Florida is one of nine states with no state income tax. Against a $17,851/month mortgage payment here, that's real, recurring savings compared to an income-tax state at the same salary.
Beyond housing, Key Biscayne's cost of living index sits at 222 (national average = 100), running above the national baseline for groceries, transportation, and everyday services.
Key Biscayne's median home price runs 367% higher than nearby Miami: $600,000 there versus $2,800,000 here.