Key Biscayne, Florida · Community Guide · Updated November 2026

Key Biscayne Homes and Condos for Sale: Prices and Village Guide (2026)

The island village between Crandon Park and Bill Baggs Cape Florida State Park: what is for sale today, what homes and condos cost and what to know before you buy.

By Enrique Urdaneta, Real Estate Advisor, Engel & Völkers · Last updated November 4, 2026 · Data: Miami MLS and Beaches MLS

139Homes and condos for sale today
$7.47MMedian single-family asking price
$1.5MMedian condo asking price
1991Incorporated

What is Key Biscayne? Key Biscayne is a village in Miami-Dade County on a barrier island south of Miami Beach and east of Miami, reached by the Rickenbacker Causeway, which opened in 1947. It was incorporated on June 18, 1991. Crandon Park lies to the north and Bill Baggs Cape Florida State Park, opened in 1967, to the south, with the Atlantic Ocean on the east and Biscayne Bay on the west. The village had 14,809 residents in the 2020 census.

On November 4, 2026, there were 139 active homes, condos and townhouses for sale in Key Biscayne, from $429,000 to $237,000,000, per the MLS feed on my site. Single-family homes had a median asking price of about $7.47 million, and condos about $1.5 million.

Key Biscayne: Quick Facts (2026)

Fact Detail
Location Barrier island between the Atlantic Ocean and Biscayne Bay, reached by the Rickenbacker Causeway
Incorporated June 18, 1991
Population 14,809 (2020 census)
Area About 1.7 square miles, including water
Parks Crandon Park to the north, Bill Baggs Cape Florida State Park to the south
ZIP code 33149
For sale, November 4, 2026 139 active homes, condos and townhouses, from $429,000 to $237,000,000
Median asking price About $7.47M for single-family homes, $1.5M for condos, $2.66M for townhouses

How Much Are Homes in Key Biscayne?

On November 4, 2026, these were the active listings in Key Biscayne by type, per the MLS feed on my site:

Type For sale Asking prices Median Median size Median price per sq ft
Single-family homes 40 $1.22M to $237M $7.47M About 3,870 sq ft About $1,950
Condos 93 $429K to $18.9M $1.5M About 1,490 sq ft About $1,030
Townhouses 6 $1.08M to $3.3M $2.66M About 2,050 sq ft About $1,110
Price range Single-family Condos Townhouses
Under $1M 0 32 0
$1M to $3M 3 40 5
$3M to $5M 6 13 1
$5M to $10M 18 4 0
$10M and up 13 4 0

Most single-family homes on the island are listed above $5 million. Condos cover a wider range, with about a third under $1 million.

What Is It Like to Live in Key Biscayne?

Key Biscayne is a small, residential island community. The village sits between two large parks, Crandon Park and Bill Baggs Cape Florida State Park, with beaches on the ocean side and the bay on the west. The village has both condo buildings and single-family streets. Brickell and downtown Miami are across the Rickenbacker Causeway.

What to Know Before You Buy in Key Biscayne

  • One way in: the Rickenbacker Causeway is the only road to the island. Factor commute times into your decision.
  • Flood zones and insurance: Key Biscayne is a barrier island. Check the flood zone of each property and get insurance quotes early.
  • Condo buildings: review the association budget, reserves and recent inspections before you sign.
  • Lot and rebuild rules: if you plan to renovate or rebuild a house, check village rules and elevation requirements first.

Key Biscayne Compared With Nearby Areas

Key Biscayne is the closest island community to Brickell. Compared with Miami Beach, it is smaller and quieter.

Key Biscayne FAQ

Where is Key Biscayne?

Key Biscayne is an island village in Miami-Dade County, east of Miami across the Rickenbacker Causeway.

How much are homes in Key Biscayne?

On November 4, 2026, active single-family homes had a median asking price of about $7.47 million and condos about $1.5 million, per the MLS feed on my site.

How many homes are for sale in Key Biscayne?

On November 4, 2026, there were 139 active homes, condos and townhouses for sale.

Is Key Biscayne its own city?

Yes. Key Biscayne is a village, incorporated on June 18, 1991.

How do you get to Key Biscayne?

By the Rickenbacker Causeway from the mainland near Brickell.

Where to Eat

See my Miami and Miami Beach restaurant guide, with MICHELIN-starred restaurants, local favorites and cigar lounges.

Thinking About Key Biscayne?

Want a tour of a home in Key Biscayne, or current pricing and availability? Message me on WhatsApp.

On Key Biscayne, the side of the island, the building and the lot shape the value as much as the house. I help buyers compare homes and condos on the island, and I help owners understand what their property is worth today.

Message me on WhatsAppTalk to me about Key Biscayne

Watch my community guides on YouTube

Enrique Urdaneta, Real Estate Advisor, Engel & Völkers
I don't sell houses. I help you make strategic decisions about your wealth.

See all Miami communities

About the author

Enrique Urdaneta is a real estate advisor with Engel & Völkers in South Florida. He has lived in Boca Raton since 2009 and has 14 years in U.S. real estate, more than 25 years as a real estate investor, and 16 years in private banking focused on construction and pre-construction lending.

Sources

  • Miami MLS and Beaches MLS via the IDX feed on enriqueurdaneta.com, active for-sale listings in the Village of Key Biscayne, November 4, 2026 (139 residential listings)
  • Wikipedia, Key Biscayne, Florida: https://en.wikipedia.org/wiki/Key_Biscayne,_Florida
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