Key Biscayne Home Values (2026): What Houses Are Actually Selling For
Key Biscayne, Miami-Dade County, Florida · Momentum Research · updated 2026-09-12
Homes in Key Biscayne sold for a median of $1,750,000 over the last 12 months (135 recorded sales), $929 per square foot, and prices are up 17.4% year over year. The typical sale took 81 days to go under contract and closed at 92.8% of the original asking price. Long run: -4.5% a year since 2013 (median $3.18M then). No algorithm can price your specific house from that; a records-based valuation can. The data first, then how to get one.
Key Biscayne home values year by year
Median recorded sale price, price per square foot, days to contract and sale-to-ask for every year we hold Key Biscayne sales. The compound growth rate works out to -4.5% a year since 2013 (median $3.18M then).
| Year | Median sale | $/sq ft | Days to contract | Sale-to-ask | Sales |
|---|---|---|---|---|---|
| 2013 | $3,179,333 | $882 | 137 | 92.8% | 15 |
| 2014 | $2,050,000 | $814 | 116 | 92.6% | 15 |
| 2018 | $1,672,500 | $781 | 75 | 89.5% | 56 |
| 2019 | $1,278,962 | $649 | 153 | 88.4% | 93 |
| 2020 | $1,342,083 | $613 | 161 | 87.6% | 112 |
| 2021 | $1,656,460 | $769 | 85 | 95.3% | 368 |
| 2022 | $2,263,251 | $996 | 47 | 95.1% | 223 |
| 2023 | $1,799,729 | $965 | 71 | 91.1% | 125 |
| 2024 | $2,217,353 | $1,112 | 66 | 93.4% | 116 |
| 2025 | $2,381,037 | $1,063 | 89 | 91.5% | 106 |
| 2026 | $2,522,063 | $1,167 | 81 | 92.8% | 135 |
Where the Key Biscayne market is tight, by price band
Months of supply is active inventory divided by the monthly sales pace; under about four months favors sellers, over six favors buyers. Find your band before you price.
Key Biscayne home values by ZIP code
Active listings and list medians from our feeds today; the typical value and one-year change are Zillow’s ZHVI for the ZIP, which tracks the whole housing stock rather than only what sold.
| ZIP | Active listings | Median list | Typical value (ZHVI) | 1-yr change | Listings with a price cut |
|---|---|---|---|---|---|
| 33149 | 84 | $1,350,000 | $1,692,135 | +4.6% | 13% |
Home values by community in Key Biscayne
The communities with the most recorded sales in the last 12 months. Each links to its own home-value page with the full price history.
| Community | Median sale | Year over year | Days to contract | Sales (12 mo) | Active |
|---|---|---|---|---|---|
| TOWERS OF KEY BISCAYNE CO | $1,500,000 | +16.5% | 65 | 21 | 5 |
| TROPICAL ISLE HOMES SUB 4 | $5,220,000 | +41.1% | 69 | 11 | 6 |
| BISCAYNE KEY ESTATES | $3,487,500 | +3.2% | 172 | 10 | 8 |
| COMMODORE CLUB SOUTH COND | $1,197,000 | n/a | 95 | 9 | 7 |
| THE EMERALDBAY @ KEY COLO | $1,400,000 | +14.8% | 23 | 9 | 2 |
| COMMODORE CLUB WEST CONDO | $1,037,500 | +29.7% | 61 | 8 | 4 |
| LAKE TOWER CONDO | $2,700,000 | n/a | 127 | 7 | 1 |
| OCEAN VILLAGE CONDO | $712,500 | -6.9% | 144 | 6 | 1 |
| OCEANA KEY BISCAYNE CONDO | $8,375,000 | +2.1% | 79 | 6 | 7 |
| KEY COLONY NO 2 CONDO | $1,120,000 | -20.8% | 92 | 5 | 1 |
| OCEAN TOWER TWO CONDO | $4,975,000 | n/a | 15 | 5 | 2 |
| CLUB TOWER TWO CONDO | $2,950,000 | n/a | 84 | 4 | 2 |
Communities moving fastest in Key Biscayne
Rising: TROPICAL ISLE HOMES SUB 4 (+41%), COMMODORE CLUB WEST CONDO (+30%), TOWERS OF KEY BISCAYNE CO (+16%), BISCAYNE KEY ESTATES (+3%). Year-over-year change in median recorded sale; small communities swing on a handful of sales, so read these as leads, not verdicts.
What moves the sale price in Key Biscayne beyond the medians
New construction was 2% of sales, which sets the ceiling on what resale buyers will pay for a comparable resale. Sellers have been closing at 92.8% of original asking, so the list price is a negotiation opener, not the number. Zillow’s ZIP metrics put the city’s price-to-income ratio near 7.63 and five-year appreciation near +6.6%. Condition, lot, roof age, insurance quote and the specific street’s last three closings move an individual house well outside these ranges.
What is my house worth in Key Biscayne?
Not a number this page can give you, and not one an automated model can either: every value above is a median of many Key Biscayne sales, and the spread inside it is wide. A records-based valuation pulls the recorded closings on your street and in your community, adjusts for size, condition, lot and what your home has that the comps do not, and comes back as a written range with a net sheet showing what you would clear at each price after commissions, Florida doc stamps, title and payoff. Momentum Realty does that for Key Biscayne owners at no cost through the form below; the Messtimate gives a square-footage range in the meantime, and the seller net proceeds calculator runs the arithmetic on any price you are considering.
Selling in Key Biscayne: next steps
- Best time of year to sell in Miami-Dade County
- Seller net proceeds calculator
- Miami-Dade County property tax rate and calculator (what a buyer will pay after your sale)
- Homes for sale in Key Biscayne right now (your competition)
- Key Biscayne housing market: live data and trends
- How Momentum sells homes
Frequently asked questions
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Figures are recorded closed sales and active listings from the MLS feeds behind our Key Biscayne pages, aggregated by Momentum Research as of 2026-09-12; ZIP typical values from Zillow (ZHVI). Community-level aggregates only; nothing on this page is a valuation of any specific property, an appraisal, or an offer. Deemed reliable but not guaranteed. EAB RE Investments LLC dba Momentum Realty, a licensed Florida real estate brokerage. Equal Housing Opportunity.