Key Biscayne Single-Family Homes for Sale
There are 40 single-family homes for sale in Key Biscayne right now, with a median asking price of $7.47M. The most active communities are Biscayne Key Estates, Tropical Isle Homes Sub 4, Cape Florida Sub Sec 3.
- 40
- For sale now
- $7.47M
- Median asking price
- $1,969
- Median price per sq ft
- 97
- Median days on market
- 0
- New in the last 7 days
By price
- Under $500K0
- $500K to $1M0
- $1M to $2M0
- $2M to $5M7
- $5M and up33
Most active communities
- Biscayne Key Estates9
- Tropical Isle Homes Sub 47
- Cape Florida Sub Sec 35
- Tropical Isle Homes Sub3
- Cape Fla Sub Sec 22
- Mashta Island2
- Mashta Island A Replat Of2
- Tropical Isle Homes Sub 12
Key Biscayne inventory trend
Trend available from Oct 27, 2026. We record the market nightly and never back-fill history.
Trend available from Dec 26, 2026. We record the market nightly and never back-fill history.
Trend available from Sep 27, 2027. We record the market nightly and never back-fill history.
Listing courtesy of Florida Realty of Miami Corp (Alejandra Gil). Contact: [email protected].
Listing courtesy of Scale Commercial Realty (Pablo Rodriguez). Contact: [email protected].
Listing courtesy of Vantage Real Estate LLC (Lucas Boccheciampe). Contact: [email protected].
Listing courtesy of Fortune Christie's International Real Estate (Bruno Ricci). Contact: [email protected].
Listing courtesy of Duncan Studio Real Estate Division PLLC (James Duncan). Contact: [email protected].
Listing courtesy of One Sotheby's International Realty (Brigitte Nachtigall). Contact: [email protected].
Listing courtesy of HR 19 Realty LLC (Adolfo Yanes Luciani). Contact: [email protected].
Listing courtesy of BHHS EWM Realty (Victoria De Giraldo). Contact: [email protected].
Listing courtesy of Coldwell Banker Realty (Maureen Jauregui). Contact: [email protected].
Listing courtesy of Cervera Real Estate Inc. (Rosa Nelly Minano). Contact: [email protected].
Listing courtesy of One Sotheby's International Realty (Brigitte Nachtigall). Contact: [email protected].
Listing courtesy of Coldwell Banker (Javier Gustavo Quiroz). Contact: [email protected].
Listing courtesy of DLS International Realty (Brigitte De Langeron). Contact: [email protected].
Listing courtesy of One Sotheby's International Realty (Brigitte Nachtigall). Contact: [email protected].
Listing courtesy of One Sotheby's International Realty (Claudine Coto). Contact: [email protected].
Listing courtesy of Swann Realty Partners, LLC. (Camila Freytes De Marotta). Contact: [email protected].
Listing courtesy of One Sotheby's International Realty (Mark Chatburn). Contact: [email protected].
Listing courtesy of One Sotheby's International Realty (Jennifer Molina). Contact: [email protected].
Listing courtesy of Luxe Living Realty (Dora Puig). Contact: [email protected].
Listing courtesy of Douglas Elliman (Fernanda Moreno). Contact: [email protected].
Listing courtesy of Coldwell Banker Realty (Jill Eber). Contact: [email protected].
Listing courtesy of Compass Florida, LLC. (Maria Parra Loughlin). Contact: [email protected].
Listing courtesy of One Sotheby's International Realty (Brigitte Nachtigall). Contact: [email protected].
Listing courtesy of Cervera Real Estate Inc. (Francoise Teixier). Contact: [email protected].
More in Key Biscayne
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Key Biscayne by zip code
Questions, answered from the data
How many single-family homes are for sale in Key Biscayne?
40 listings are active in the MLS right now. The count updates hourly.
What is the median asking price for single-family homes in Key Biscayne?
$7,470,000, the midpoint of the 40 active asking prices. Asking prices run from $3,300,000 to $237,000,000.
What do single-family homes in Key Biscayne cost per square foot?
The median asking price is $1,969 per square foot of living area, across listings that report their size.
How long do single-family homes in Key Biscayne stay on the market?
The median active listing has been on the market 97 days. A home priced right for its community usually moves faster than the median.
What is the highest asking price among single-family homes in Key Biscayne?
The highest asking price right now is $237,000,000, for a single family residence in Tropical Isle Homes Resub.
How many single-family homes in Key Biscayne are on the water?
33% of the active listings are waterfront, as the listing agents report it.
What are HOA fees like in Key Biscayne?
Listings that report an association fee show about $1,509 a month, as listed. Confirm the current fee with the association.
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Listing data provided by the Southeast Florida Multiple Listing Service (MIAMI REALTORS®). The data is deemed reliable but is not guaranteed accurate by the MLS. IDX information is provided exclusively for consumers' personal, non-commercial use, may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and is deemed reliable but is not guaranteed accurate by the MLS. Figures are computed from active listings in the MLS and describe asking prices, not closed sales. Atlantic Luxury Advisors is a real estate team at Keller Williams Realty.