Key Biscayne is a private island community known for its beaches, A-graded public schools, and a relaxed island lifestyle just minutes from Miami. It draws families, professionals, and international buyers seeking privacy, safety, and outdoor living.
Population, median age, household income, home value and gross rent: U.S. Census Bureau, American Community Survey 2023 5-year estimates. Home value is what owners estimate their home is worth, not a sale price. Verify at data.census.gov.
Housing is the main driver, the median home price is around $1.9M, and a typical 2-bedroom rents near $5,000 / month. Condos and nearby communities can offer more attainable entry points.
In Key Biscayne, the median age is 43.1 and median household income is $172,604 (U.S. Census Bureau, ACS 2023 five year estimates). The nearest beach is about 5 minutes away. On schools, Florida publishes an A through F grade for every public school each year, so the useful answer depends on the specific schools serving an address rather than the city as a whole. Our Florida schools page lets you look those up directly.
Like most of Florida, expect warm winters around 76°F and hot, humid summers near 89°F, sunshine most of the year.
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