Key Biscayne ZIP code overview
Key Biscayne is located in Miami-Dade County and is part of Florida's South Florida region. The U.S. Postal Service assigns the following ZIP code to addresses within or directly adjacent to Key Biscayne:
Key Biscayne ZIP codes
ZIP code assignments are made by the U.S. Postal Service for mail-delivery purposes and do not always align with municipal boundaries. Some of these ZIPs may also cover unincorporated areas of Miami-Dade County.
Notable Key Biscayne neighborhoods and landmarks
Key Biscayne contains a mix of neighborhoods, communities, and landmarks. The following are commonly referenced by residents, agents, and buyers when describing the area:
Key Biscayne real estate market snapshot
The Key Biscayne market reflects the broader characteristics of South Florida — proximity to employment centers, lifestyle amenities, and lifestyle migration into Florida. For up-to-date listings, active comparables, and a localized opinion of value on a specific property, a BKRS licensed real estate professional is the best source. Browse BKRS private listings, the full Florida ZIP search, or our all-67-counties directory for additional context.
Frequently asked questions about Key Biscayne
What ZIP code is Key Biscayne, Florida?
Key Biscayne, Florida is served by ZIP code 33149. ZIP codes are assigned by the U.S. Postal Service and may also cover unincorporated areas of Miami-Dade County.
What county is Key Biscayne in?
Key Biscayne is located in Miami-Dade County, Florida — part of the South Florida region.
What are the main neighborhoods in Key Biscayne?
Commonly referenced neighborhoods and landmarks in Key Biscayne include Cape Florida, Ocean Club, Crandon Park, Ritz-Carlton Key Biscayne. Key Biscayne is an island village just south of Miami connected by the Rickenbacker Causeway — a tight, family-oriented community with strong schools and beach access.
What is the typical home price range in Key Biscayne?
Typical home values in Key Biscayne range from approximately $1.2M – $6M, based on observed listing and sale data. Individual properties vary based on lot, condition, waterfront access, and neighborhood — this range is illustrative only and not an appraisal.
How many ZIP codes does Key Biscayne have?
Key Biscayne has 1 primary ZIP code assigned by the U.S. Postal Service: 33149.
About Miami-Dade County
Miami-Dade County is part of Florida's South Florida region. Key Biscayne is one of several markets BKRS covers in this county. Use the related-cities panel to explore nearby markets, browse Miami-Dade County ZIP codes, or use the full Florida ZIP code search to filter all BKRS-covered markets by name, county, or 5-digit ZIP.