BISCAYNE KEY ESTATES in Key Biscayne

BISCAYNE KEY ESTATES
Homes for Sale in Key Biscayne, FL

Community in Key Biscayne · Miami-Dade County · ZIP 33149
Median sale $3.49M
Free · No obligation
Talk to a BISCAYNE KEY ESTATES Expert

True comps, carrying-cost math, and listings before the portals.

Live Market Pulse
38/100
Market Heat
Cooler than normal
2019 → 2026 · 83 at the 2022 peak
0 is BISCAYNE KEY ESTATES's coldest market since 2019, 100 its hottest. Today: 38. How it's scored

Photo via miami

Built fromLive miami data14 years of closingsUpdated twice daily
Live · BISCAYNE KEY ESTATES Housing Pulse miami + public records Analysis by Momentum Realty · $3.5B+ sold · 8,500+ transactions · Top 1% in Florida (RealTrends)
Price
$3.49M
Median sold · 12 mo
up 5.4% vs the prior 12 months
+5.4%
1-yr price change
n = 12 and 13 sales in the two windows
$1280/sf
Sold $/sqft · 12 mo
peak $1280 in 2026
90.3%
Sale vs ask
Tempo
181days
Median DOM · closed
45 days at the 2024 low
12
Sold · last 12 mo
10-yr average: about 12 a year
Ownership and context
75%
Cash buyers · BISCAYNE KEY ESTATES
9 of 12 sales, 12 mo ending July 2026
Track record · 14 years of records
2,890sqft
Median sold home size
12-mo windows, closed sales
Jon Brooks, founder of Momentum Realty
Jon's Current Read

Biscayne Key Estates trades in a narrow, high-value lane — a median price of $3,487,500 and a median $1,279.84 per square foot put this community well above typical Miami-Dade comparables. At this price point, the number of buyers who can transact is small, and that scarcity, not marketing, is what sets the pace here.

The pace is slow by design. A median 180.5 days on market and a market heat score of 38 point to a deliberate, low-urgency environment where sellers who price accurately and buyers who do their diligence carefully both come out ahead. The 5.4% year-over-year gain shows the price floor holding even as deals take longer to close — this is a market rewarding patience over speed on both sides of the table.

BISCAYNE KEY ESTATES Housing Pulse · Momentum Research · as of July 20, 2026

BISCAYNE KEY ESTATES right now

🟡 Still climbing. The trailing-12-month median ($3.49M) is up 5.4% from the prior 12 months ($3.31M). With about a dozen sales a year, a single closing can swing this number, so read the level and the decade, not one year's move.Momentum Research, record-level miami closed sales, 12-month windows ending July 20. Confidence: Medium (12 and 13 sales in the two windows).

Jump to: Price history & scorecard · Homes for sale · Schools · FAQ

Updated July 20, 2026 · Live data: miami, refreshed twice daily · MLS facts carry their source; interpretation lines are Momentum Research · Data sources & freshness

The 60-Second Overview

BISCAYNE KEY ESTATES market snapshot (as of July 20, 2026): the median sale price is about $3.49M ($1280 per sq ft over the trailing 12 months of closed sales), and a median 181 days on market for closed sales. The trailing-12-month median is up 5% from the prior 12 months, computed from record-level miami closed sales (12 closings in the current window).

Biscayne Key Estates sits at the upper end of the Miami-Dade luxury market, where price per square foot and days on market both signal a specialized, low-volume segment rather than a fast-turning neighborhood.

Best for

  • Buyers purchasing at the upper end of the Miami-Dade market who can accommodate an extended closing timeline.
  • Sellers with a well-conditioned, accurately priced property willing to market through a multi-month sales cycle.
  • Buyers comparing price-per-square-foot across a small pool of high-value listings rather than a broad market.

Probably not for

  • Buyers who need to close within a fast, fixed window.
  • Sellers expecting rapid turnover based on typical market-wide days-on-market figures.
  • Buyers relying on a large set of recent comparables — the closing count here is limited.

Windows contain 0 to 30 sales each (12 in the current window); every figure carries its sample size, and thin markets swing on single closings. Based on information from the Southeast Florida Multiple Listing Service (SEFMLS) or from MIAMI Association of REALTORS(R) for the period 2012 through 2026. Deemed reliable but not guaranteed.

Median sale price · trailing 12 mo
$2M$3M20122014201620182020202220242026
Up 5.4% year over year.
Every sale since 2012 · price vs size
$0$5M$10M$15M2k5k8k10k
119 closed sales; green = recent. Size sets the floor, condition and lot set the rest.
Sold $ per sq ft · trailing 12 mo
$600$800$1K$1K20122014201620182020202220242026
Up from $758 in 2012 to a $1280 peak in 2026; $1280 now.
Median days on market · closed sales
10020030020122014201620182020202220242026
45 days at the 2024 low; 181 now.
Sale price vs original ask · median
85%90%95%20122014201620182020202220242026
90.3% now.
Homes sold per 12-mo window
010203020122014201620182020202220242026
0 to 30 a year; 12 in the current window.
Market Heat · 0 coldest, 100 hottest in the record
20406080seller-leaningbuyer-leaning2020202220242026
83 at the 2022 peak, 27 in the troughs, 38 now. Same score as the hero card, full history.

BISCAYNE KEY ESTATES Market Scorecard

Balanced

BISCAYNE KEY ESTATES is currently a balanced market., and homes go under contract in about 37 days.

$3,487,500
Median sold
$1544
List $/sqft
37
Days on mkt
7/2/0
Active/Pend/Sold

Go deeper: ZIP market scorecard · county scorecard · true cost calculator · affordability calculator.

Live data: miami, refreshed twice daily. Market metrics only; these describe homes for sale and recent sales, not residents.

Homes For Sale Right Now in BISCAYNE KEY ESTATES

Live MLS inventory for BISCAYNE KEY ESTATES. Every active listing, what is under contract right now, and the last 12 months of closed sales, refreshed twice a day. Closed comps beat an algorithm's guess every time.

Active and pending BISCAYNE KEY ESTATES listings as of 2026-08-21, priced high to low. Based on information from the Southeast Florida Multiple Listing Service (SEFMLS) or from MIAMI Association of REALTORS(R) for the period 2012 through 2026. Tap any home to ask about it.

If we were buying in BISCAYNE KEY ESTATES today, this is the order of operations we would run for our clients.

1

Underwrite the condition first. Price the roof, HVAC, and systems honestly before judging any list price; condition swings value here more than square footage alone.

2

Match the home to real comps. Recent sales of similar condition and lot, not the asking price, tell you what a home is worth.

3

Move deliberately, not desperately. Neither side has a decisive edge, so a well-prepared, fairly-priced offer wins without overpaying.

4

Line up financing and inspection early. A pre-approval and an inspection plan let you act fast and negotiate from evidence.

5

Keep an agent in your corner. The listing agent works for the seller; we represent you and prepare a hand-built valuation before any offer in BISCAYNE KEY ESTATES.

Best Buy
Buyers and sellers operating at the top of the Miami-Dade price range who are comfortable with a longer transaction timeline.
Biggest Risk
With roughly a dozen closings in the window, the median can swing sharply on the next few sales.
Sweet Spot
Priced, well-conditioned listings that are marketed for a patient buyer pool rather than a quick close.
Avoid If
You need a sale or purchase closed on a tight timeline — 180-day medians are the norm, not the exception, here.

Price Held, Pace Stretched

With only about a dozen closings feeding the current snapshot, this is a thin market — every sale carries more weight in shaping the median, and comparables should be read individually rather than trended casually. The $1,279.84 per-square-foot figure reflects the premium nature of the product here, but with that few transactions, condition and specific lot or view characteristics can swing outcomes meaningfully.

A median 180.5 days on market is the standout number. That is a market where offers get negotiated, financing and inspection periods run their full course, and pricing that misses the mark sits — sometimes for months — before it corrects. The market heat score of 38 confirms it: this is not a bidding-war environment, it is a considered-purchase environment.

The location and the amenities are priced into every listing in BISCAYNE KEY ESTATES. The deal is won or lost on condition, the comps, and the renovation math.

Jon Brooks · Founder, Momentum Realty

Why work with Momentum here

A market with a thin transaction count and a six-month-plus median timeline rewards precise pricing and patient negotiation over volume-based tactics. We track the individual closings that move this median, not just the headline number, so sellers price defensibly and buyers know what leverage they actually have before they write an offer.

BISCAYNE KEY ESTATES in 15 seconds.

Best forBuyers and sellers operating at the top of the Miami-Dade price range who are comfortable with a longer transaction timeline.
Biggest advantagePrice levels have held and gained 5.4% year-over-year despite a slow-moving market.
Biggest riskWith roughly a dozen closings in the window, the median can swing sharply on the next few sales.
Sweet spotPriced, well-conditioned listings that are marketed for a patient buyer pool rather than a quick close.
Avoid ifYou need a sale or purchase closed on a tight timeline — 180-day medians are the norm, not the exception, here.

HOA, CDD & Fees

In short
  • Mandatory HOA. Confirm current dues
  • Any club/amenity membership is billed separately

Confirm the current HOA dues, exactly what they cover, and any CDD bond or special assessment for a specific address before you offer.

The takeaway

Selling here is won on condition and pricing to real comps, not an automated estimate. The right number comes from closed BISCAYNE KEY ESTATES sales matched to your home.

What is your BISCAYNE KEY ESTATES home worth?

Get a no-obligation home value based on real comparable sales in BISCAYNE KEY ESTATES, not an automated guess. Tell us about your home and we will personally prepare your numbers and a pricing strategy. No obligation, no spam.

See homes for sale in BISCAYNE KEY ESTATES on the map →

Real comps, not an automated estimate.

Frequently Asked Questions

What is the median home price in BISCAYNE KEY ESTATES?
The median sale price in BISCAYNE KEY ESTATES was $3.49M over the 12 months ending July 20, 2026 (12 closed sales, miami).
How long do homes in BISCAYNE KEY ESTATES take to sell?
Homes that closed in the 12 months ending July 20, 2026 took a median 181 days on market (12 sales, miami).
Do cash buyers compete in BISCAYNE KEY ESTATES?
Cash buyers took 75% of BISCAYNE KEY ESTATES sales in the 12 months ending July 2026 (9 of 12 closings, miami).
Who is the best real estate agent for BISCAYNE KEY ESTATES?
The best agent for BISCAYNE KEY ESTATES is one who actively works Key Biscayne and knows the community's pricing, fees, and current inventory. Tell us what you're looking for in the form on this page and Momentum Realty will match you with a local specialist for BISCAYNE KEY ESTATES.
How do I find a top Key Biscayne real estate agent who knows BISCAYNE KEY ESTATES?
Share a few details in the form on this page. Momentum Realty has 280+ agents and more than $3.5B in closed sales, and we'll connect you with one who knows BISCAYNE KEY ESTATES and the wider Key Biscayne area.
Can Momentum Realty connect me with an agent for BISCAYNE KEY ESTATES?
Yes. Use the form on this page and we'll introduce you to a local specialist who can guide your BISCAYNE KEY ESTATES purchase or sale - no call center and no pressure.
Buyers purchasing at the upper end of the Miami-Dade market who can accommodate an extended closing timeline.Excellent fit
Sellers with a well-conditioned, accurately priced property willing to market through a multi-month sales cycle.Excellent fit
Buyers comparing price-per-square-foot across a small pool of high-value listings rather than a broad market.Excellent fit
Buyers who need to close within a fast, fixed window.Probably not
Sellers expecting rapid turnover based on typical market-wide days-on-market figures.Probably not
Buyers relying on a large set of recent comparables — the closing count here is limited.Probably not

Data sources & freshness

Community market statsmiami closed sales, 12-month windows ending July 20, 2026
Under-contract sharesmiami records, as of 2026-07-18
Historical depthClosed-sale records back to 2012 (119 transactions analyzed)

Verify the primary sources yourself: Florida DOR · U.S. Census · FEMA flood maps · Citizens Property Insurance.

Momentum Research figures are our own analysis of miami records; MLS data is deemed reliable but not guaranteed. Methodology: how Momentum market scores are computed. Market metrics describe homes for sale and recent sales, not residents.

Own a home here?

You just read the data. Now see what your home is worth.

The numbers on this page move markets in the aggregate. The number that matters to you is what a buyer pays for your address. Momentum sells for 1.25% above the miami member average and 8 days faster, and we’ll price yours against live your area comps.

Looking to buy here? Search homes for sale →

What’s your home worth in your area?

A real valuation with real comps from a local listing agent, not an instant algorithm. Response within one business day.

By submitting, you agree that EAB RE INVESTMENTS LLC (Momentum Realty) and its agents may call, email, and text you about your inquiry, which may involve automated means and prerecorded or artificial voices. You do not need to consent as a condition of buying any property, goods, or services. To opt out, reply STOP at any time or reply HELP for assistance. You can also click the unsubscribe link in emails. Message and data rates may apply. Message frequency may vary. See our Privacy Policy and SMS Terms.or call (904) 351-6461
CallFree valuation →
Thinking of selling in BISCAYNE KEY ESTATES? 12 recorded closings; median 180 days on market (window ending 2026-07-20). See the Miami-Dade County sell-now-or-wait data, what made 201,552 Florida listings fail in the last 12 months, or compare a cash offer vs. listing. Compiled from MLS records; deemed reliable but not guaranteed.
Talk to a Local BISCAYNE KEY ESTATES Expert
Call Get Listings