Median Age
44 Years
Largest Age Group
10-19 Years
Approximately 17% of Residents
Under 20
27%
Over 65
19%
Avg Rent
$2,729
Population
17,462
Renter Mix
34% Rent
Key Biscayne is a barrier island village just four miles south of downtown Miami, connected to the mainland by the Rickenbacker Causeway and surrounded by Biscayne Bay and the Atlantic Ocean. The pace here is noticeably slower than the city it sits beside, with wide bike paths, salt air, and a low-rise skyline that feels closer to a resort town than an urban hub. Virginia Key sits between the island and Miami, adding a buffer of natural landscape that reinforces the sense of separation from the metro's energy.
The local economy leans heavily on tourism, marine industries, and real estate, while proximity to Miami puts the full range of South Florida's job market within easy reach. The Crandon Park Tennis Center has hosted international professional tournaments for decades, making it one of the island's most recognized anchors.
Housing on Key Biscayne runs toward upscale waterfront condominiums, mid-rise apartment communities with bay or ocean views, and single-family homes on quiet streets. Rental inventory is relatively limited given the island's small footprint, so availability moves quickly. Neighborhoods range from the residential calm near Harbor Drive to the more activity-facing streets close to Crandon Boulevard. Life here centers on the water, the outdoors, and a close-knit community atmosphere that sets it apart from mainland Miami.
Beaches near Key Biscayne provide year-round coastal recreation.
Key Biscayne Farmers Market draws crowds for fresh produce every Saturday.
Boating is a common pastime in Key Biscayne.
Key Biscayne residents can access the beach through the Beach Park.
Cycling is a popular way to explore Key Biscayne’s scenic streets and coastal paths.
Crandon Park has a tennis complex, golf course, beaches, and more.
Median Household Income
$168,106
Average: $184,876
Education
8,851
Residents Have a Degree
Job Market
8,106
Workers Employed
Median Age
44 Years
Largest Age Group
10-19 Years
Approximately 17% of Residents
Under 20
27%
Over 65
19%
Housing Distribution
Key Biscayne has more homeowners than renters.
Education Distribution
Review this city's overall education levels.
As of July 2026, the average apartment rent in Key Biscayne, FL is $2,729 for one bedroom, and $3,673 for two bedrooms. Apartment rent in Key Biscayne has increased by 1.3% in the past year.
Explore how walkable, bikeable, drivable, and transit-friendly Key Biscayne, FL is for everyday living.
Fairly Walkable
Walkability
Limited Public Transit
Transit
Moderately Drivable
Drivability
Moderately Bikeable
Bikeability
Public
Grades PK-8
803 Students
Public
Grades 6-12
1,582 Students
Public
Grades PK-8
803 Students
Public
Grades 6-12
1,582 Students
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† Our analysis of utilities, groceries, transportation, healthcare, home prices, and other goods and services is sourced from the Cost of Living Index, a respected benchmark published by the Council for Community and Economic Research (C2ER) that provides a thorough overview of living expenses across different regions.
Rent data is provided by CoStar Group’s Market Trend reports. As the industry leader in commercial real estate information, analytics, and news, CoStar conducts extensive research to produce and maintain a comprehensive database of commercial real estate information. We combine this data with public record to provide the most up-to-date rental information available.
Consumer goods, services, and home prices are sourced from the Cost of Living Index published by the Council for Community and Economic Research (C2ER). The data on this page is updated quarterly. It was last published in June 2026.
Demographic information comes from Neustar and combines detailed address data with U.S. Census and American Community Survey statistics to produce reliable local estimates.