Homes Over $3M in Key Biscayne, FL

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Homes Over $3M in Key Biscayne, FL

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24 of 57 Listings

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Homes Over $3M in Key Biscayne, FL

24 of 57 Listings

Your Key Biscayne agent

Jonathan Alfonso

Portal Real Estate

Lic. #3306632

Call Jonathan

39Active
$3,975,000
3 bd · 5 ba · 3,093 sqft
781 Crandon Blvd 401, Key Biscayne, FL
Brigitte Nachtigall · One Sotheby's International Realty
86Active
$5,490,000
4 bd · 6 ba · 3,581 sqft
799 Crandon Blvd 202, Key Biscayne, FL
Victor Florencio Sanchez · Ocean Club Realty, Inc.
35Active
$3,900,000
4 bd · 4 ba · 2,930 sqft
430 Grand Bay Dr 606, Key Biscayne, FL
Saddy Delgado PA · One Sotheby's International Realty

Listing data & MLS disclosures

BeachesMLS: All listings featuring the BMLS logo are provided by Beaches MLS, Inc. This information is not verified for authenticity or accuracy and is not guaranteed. Information is provided exclusively for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
Listing information ©2026 Beaches Multiple Listing Service®. All Rights Reserved. Data Last Updated: 2026-09-30 21:13:35 UTC
MIAMI REALTORS MLS: The multiple listing information is provided by MIAMI Association of Realtors® from a copyrighted compilation of listings. The compilation of listings and each individual listingare ©2026 MIAMI Association of Realtors®. All Rights Reserved.
The information provided is for consumers’ personal, noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. All properties are subject to prior sale or withdrawal. All information provided is deemed reliable but is not guaranteed accurate, and should be independently verified. Last Updated: 2026-09-29 15:58:46 UTC

Key Biscayne housing market

September 2026 · This period is still settling

Selling at 94.8% of asking price

Buyers here are paying below asking. MLS · 12 sales · as of Sep 25, 2026

Homes on the market · MLS, as of Sep 27, 2026

Median list price: $2,600,000
Homes for sale: 139

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Sep 11, 2026

Median home size: 1,838 sq. ft.

Key Biscayne, FL community profile

Population: 15,327
Median income: $154,457
Housing units: 7,079
People per sq. mi.: 982.5
Area: 15.6 sq. mi.

Source: HJN community data

Explore Key Biscayne homes

Listing data & MLS disclosures

BeachesMLS: All listings featuring the BMLS logo are provided by Beaches MLS, Inc. This information is not verified for authenticity or accuracy and is not guaranteed. Information is provided exclusively for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
Listing information ©2026 Beaches Multiple Listing Service®. All Rights Reserved. Data Last Updated: 2026-09-30 21:13:35 UTC
MIAMI REALTORS MLS: The multiple listing information is provided by MIAMI Association of Realtors® from a copyrighted compilation of listings. The compilation of listings and each individual listingare ©2026 MIAMI Association of Realtors®. All Rights Reserved.
The information provided is for consumers’ personal, noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. All properties are subject to prior sale or withdrawal. All information provided is deemed reliable but is not guaranteed accurate, and should be independently verified. Last Updated: 2026-09-29 15:58:46 UTC

Key Biscayne, FL community profile

Population: 15,327
Median income: $154,457
Housing units: 7,079
People per sq. mi.: 982.5
Area: 15.6 sq. mi.

Source: HJN community data

Key Biscayne housing market

September 2026 · This period is still settling

Selling at 94.8% of asking price

Buyers here are paying below asking. MLS · 12 sales · as of Sep 25, 2026

Homes on the market · MLS, as of Sep 27, 2026

Median list price: $2,600,000
Homes for sale: 139

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Sep 11, 2026

Median home size: 1,838 sq. ft.

Your Key Biscayne agent

Jonathan Alfonso

Portal Real Estate

Lic. #3306632

Call Jonathan

By type

Your Key Biscayne agent

Jonathan Alfonso

Portal Real Estate

Lic. #3306632

Call Jonathan

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Registered offenders on the map

Your Key Biscayne agent

Listing data & MLS disclosures

Key Biscayne housing market

Homes on the market · MLS, as of Sep 27, 2026

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Sep 11, 2026

Key Biscayne, FL community profile

Explore Key Biscayne homes

Listing data & MLS disclosures

Key Biscayne, FL community profile

Key Biscayne housing market

Homes on the market · MLS, as of Sep 27, 2026

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Sep 11, 2026

Your Key Biscayne agent

By type

Your Key Biscayne agent