Fowey Rocks Light · Photo: http://www.birdphotos.com · CC BY 3.0218 homes sold in Key Biscayne in the last year, at a typical $1.7M
Most homes sold are condos. Below: what each kind of home sells for, what your budget buys, the best months to buy, how hard you’ll have to bid, and a shortcut to every site where Key Biscayne homes are listed.
Every place Key Biscayne homes are listed, in one stop
We don’t copy listings: the agents’ sites have the photos and the latest price changes. Set what you want once and we open each site already filtered to Key Biscayne.
For sale
Rent
New, land & open houses
Links open the listing sites; TownRatings isn’t paid for them and doesn’t rank one above another. Rentals and government-owned homes come from sources outside the MLS.
79% of Key Biscayne’s sales are condos, at $3M less than a house
42 houses and 173 condos sold in the year to May 2026. Condos sell faster.
typical sale · 42 sold in 12 months
- Per square foot
- $1,411FL $245
- Days to sell
- 130
- Sold over asking
- 5%
- Listings with a price cut
- 13%
typical sale · 173 sold in 12 months
- Per square foot
- $875FL $262
- Days to sell
- 103
- Sold over asking
- 6%
- Listings with a price cut
- 12%
Townhouses: 3 sold, typical $3.5M
Too few sales in 12 months for reliable figures.
Fewer homes sell than before 2022, at 1.7 times the 2016 price
218 sales in the last year, against 677 in 2021 and a low of 193 in 2017. The typical sale went from $1M in 2016 to $1.7M.
Source: Redfin Data Center, MLS sales. Typical price and $/sq ft are the monthly medians, weighted by sales.
What $1.8M buys in Key Biscayne
Check a listing against what Key Biscayne homes sold for
Against the town’s median price per square foot over the last 12 months. A rough check: condition, lot and location within town move a price more than this can see.
Bidding wars in Key Biscayne are back to pre-pandemic levels, but half fewer homes come up for sale
We read every month of Key Biscayne’s home sales since 2012 so you don’t have to. Each figure covers 12 months, because a single month in a town is too few sales to mean much. Latest: the year to May 2026, 218 sales.
If you’re buying in Key Biscayne
- Shop in January. It brings about 52 new listings a month, close to the busiest month, with fewer bidding wars (3% over asking).
- Less room to haggle. Only 12% of listings cut their price, against 17% before the pandemic.
- Offer under asking. Buyers paid 94.3% of the list price on average; 6% paid over.
- You’ll usually have time. Only 16% of homes go under contract within two weeks; the typical one takes 116 days.
Winter brings the homes; spring brings the bidding wars
January has the most new listings (about 52 a month), but May is the most competitive: 6% of May sales close over asking. January has the least competition (3%).
Averages for each calendar month, 2015 on.
Nearly as heated as 2021, and about like Florida as a whole
| Key Biscayne now | 2017–19 | 2021 peak | FL now | |
|---|---|---|---|---|
| Sold over askingShare of sales that closed above the list price | 6% | 2% | 8% | 10% |
| Gone within two weeksShare of homes under contract within 14 days | 16% | 4% | 15% | 20% |
| Listings with a price cutShare of homes for sale that cut their price | 12% | 17% | 7% | 28% |
| Price paid vs. askingAverage sale price ÷ list price | 94.3% | 92.3% | 96% | 96.3% |
| Days to sellMedian days from listing to contract | 116 | 178 | 101 | 76 |
149 homes for sale on a typical day
That’s 52% fewer than in 2017–19 and well under 2019’s 311.
1 in 8 listings has cut its price
12% in the last year, against 17% in 2017–19 and 28% across Florida.
Since 2019, houses are up 84%, condos 73%
A house typically sold for $4.3M in the last year (42 sales), a condo for $1.3M (173).
Median sale price, weighted by sales each month. Years with fewer than 4 sales of a type are left out.
Key Biscayne ranks 397th of 534 busy Florida markets for bidding wars
Share of sales over asking in the last year, among towns with 60 or more sales. Key Biscayne is in the middle of the pack.
Source: Redfin Data Center, city market tracker, January 2012 to May 2026 (MLS sales, not seasonally adjusted). Ratios are weighted by homes sold; price cuts by homes for sale.
Five things worth knowing
New listings in January
The month with the most choice. December has the fewest, about 29.
Best time to buySchools
The schools grade for Key Biscayne, from test results, graduation and how much students grow.
Schools in Key BiscayneTypical commute
The average one-way trip to work for people who live in Key Biscayne.
Work & commuteCheck the flood map
Flood insurance isn’t in a standard policy, and lenders require it in FEMA flood zones. Check the address before you make an offer.
Natural hazardsLook up any property
Assessed value, lot size and every past sale of a home you’re eyeing are public, at the town or county assessor and the registry of deeds.
Coral Gables, Miami, South Miami, Miami Beach and Pinecrest sell for less a square foot; Fisher Island for far more
The busier markets within 25 miles of Key Biscayne, by what sold. Prices, taxes and how far a paycheck goes next door are on Cost of living.
| Sold | Typical sale | $/sq ft | Over asking | Days to sell | |
|---|---|---|---|---|---|
| Miami | 4,200 | $638K | $539 | 5% | 111 |
| Miami Beach | 1,913 | $612K | $611 | 3% | 137 |
| Coral Gables | 631 | $1.5M | $783 | 4% | 94 |
| Pinecrest | 236 | $2.5M | $719 | 4% | 116 |
| Key Biscayne | 218 | $1.7M | $949 | 6% | 116 |
| South Miami | 131 | $996K | $583 | 6% | 89 |
| Fisher Island | 21 | $7.5M | $2,290 | 5% | 242 |
Redfin Data Center, June 2025 to May 2026. Towns with fewer than 20 sales are left out, and Redfin doesn’t report every town separately.
Post your home to Key Biscayne, free
Selling it yourself, renting out an apartment or looking for a roommate? Post it to Key Biscayne. People who follow the town see it, and so do people comparing Key Biscayne with their own town. No commission, no listing fee.
Questions about buying a home in Key Biscayne
What do homes sell for in Key Biscayne, FL?
218 homes sold in the year to May 2026 at a typical $1.7M, $949 a square foot. Houses sold for about $4.3M, condos for about $1.3M.
Is Key Biscayne a buyer’s or seller’s market?
A buyer’s market: 155 homes were for sale in May 2026 and 16 sold, about 9.7 months of supply. Buyers paid 94.3% of asking on average, and 12% of listings cut their price.
When is the best time to buy in Key Biscayne?
January brings the most new listings. The sales history shows which months have fewer bidding wars.
Where can I see homes for sale in Key Biscayne?
Zillow, Redfin, Realtor.com and Homes.com all carry Key Biscayne’s MLS listings; the search links above open each one filtered to Key Biscayne.
Sales, prices, days on market and listings: Redfin Data Center (MLS, monthly, not seasonally adjusted). Property tax rate: Census American Community Survey. Two-bedroom rent: HUD Fair Market Rent. Typical home value: Zillow Home Value Index. Schools grade: TownRatings (how grades work).