Key Biscayne is the Miami-Dade County market known for urban condos, gated communities, and international-buyer properties, reached by I-95, Palmetto Expressway (SR-826), and Dolphin Expressway traffic. Home to about 14,809 residents (2020 Census).
Every listing, up to the second, straight from the MLS. Tip: type “Key Biscayne” in the location box.
Typical Key Biscayne home values are up 4.6% over the past year, at about $1,692,546.
Values: Zillow Home Value Index and Observed Rent Index, mid-tier, smoothed and seasonally adjusted, July 2026. Population: U.S. Census 2020. Indexes are estimates, not appraisals; a free Key Biscayne market report gives you sold comps for your exact street.
Urban condos, gated communities, and international-buyer properties
Access via I-95, Palmetto Expressway (SR-826), and Dolphin Expressway traffic
Miami-Dade County · seat Miami · Eleventh Judicial Circuit
Arthur Simpson · Realty Pros Assured is licensed statewide and serves Key Biscayne buyers and sellers by phone, video, and in-person appointment. Because Arthur is also a Florida attorney, REALTOR® & CIPS, you get a sharper eye on the contract, the title, and the deed, the parts of a Miami-Dade County deal where money is usually lost.
Need the legal side on its own? See the real estate attorney page for Key Biscayne, or read why an attorney-REALTOR® changes the deal.
Get My Free Key Biscayne Home Valuation →As of July 2026, Zillow's Home Value Index puts the typical Key Biscayne home at about $1,692,546, +4.6% over the past year. Miami-Dade County overall is about $523,890.
Key Biscayne is in Miami-Dade County (county seat: Miami). Deeds and liens are recorded with the Miami-Dade County Clerk of the Circuit Court, and real estate disputes are heard in the Eleventh Judicial Circuit.
Yes. Arthur Simpson is licensed statewide as a Florida REALTOR® with Realty Pros Assured and is also a Florida attorney, so Key Biscayne buyers and sellers get one person for the contract, the negotiation, and the legal side. He works Key Biscayne by phone, video, and in-person appointment from Ormond Beach.
Florida does not require one, but Key Biscayne contracts, title questions, and deed transfers are where money is usually lost. Arthur reviews your paperwork as an attorney at no extra cost when he represents you as your REALTOR®; legal services are provided separately through Truestead Law when you need them.
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Real answers on pricing, strategy, contracts, and the legal side other agents can't cover. By phone or video.
Book a Free Strategy Call or call/text 386-273-3636