Best Real Estate Agents in Key Biscayne, FL• Updated

Looking for the best real estate agent in Key Biscayne, FL? This page ranks the top realtors in Key Biscayne by actual transaction data — not reviews or paid ads. Whether you want to find a top listing agent in Key Biscayne, FL or buy a home in Key Biscayne, our 2026 rankings use verified sales records, days on market, and price retention to surface the highest-performing agents.

Market Pulse
|Real-time Analysis

Market Pulse: Opportunity 📈

The Key Biscayne, FL real estate market is currently a Buyer's Market. Homes are retaining 95% of their value (Sale Price to List Price Ratio). With 180 active listings and 23 closed sales this month, inventory remains at 12.3 months of supply. Trends over the last half-year show median values moving up by 16%, while Average Days on Market has decreased by 5%. Transaction speed in Key Biscayne is currently 5 days slower than the broader Miami-dade benchmark.

Top Listing & Buyer's Agents in Key Biscayne, FL

Condo/Co-op

111417JanFebMarAprMayJun
Sales Volume
Sales volume has grown by 34% over the last 6 months, showing a positive trend with currently 17 transactions.
Entry Level Condo/Co-op Market Trends
Median Price
Market Trend
$772K$1.4M$2.1MJanFebMarAprMayJunSandra Borgonovo (Buyer): Median Price $990KSBBrigitte De Langeron (Buyer): Median Price $1.5MBLBrigitte De Langeron (Buyer): Median Price $920KBLRosario Keif (Buyer): Median Price $1.4MRKAna Velez (Buyer): Median Price $1.2MAVAlaina DeVries (Seller): Median Price $970KADIosvany Acosta (Seller): Median Price $1.9MIA
The average price in the Entry Level Condo/Co-op segment has risen by 13% over the last 6 months.
Days On Market Avg.
Market Trend
15d69d122dJanFebMarAprMayJunSandra Borgonovo (Buyer): Days On Market Avg. 57dSBBrigitte De Langeron (Buyer): Days On Market Avg. 104dBLBrigitte De Langeron (Buyer): Days On Market Avg. 110dBLRosario Keif (Buyer): Days On Market Avg. 55dRKAna Velez (Buyer): Days On Market Avg. 64dAVAlaina DeVries (Seller): Days On Market Avg. 74dADIosvany Acosta (Seller): Days On Market Avg. 27dIA
Lower is better
Days on market for Entry Level Condo/Co-op is decreasing, with homes now staying on market for 75 days on average.
Sale Price to List Price Ratio
Market Trend
76%94%112%JanFebMarAprMayJunSandra Borgonovo (Buyer): Sale-to-List Ratio 80%SBBrigitte De Langeron (Buyer): Sale-to-List Ratio 90%BLBrigitte De Langeron (Buyer): Sale-to-List Ratio 97%BLRosario Keif (Buyer): Sale-to-List Ratio 94%RKAna Velez (Buyer): Sale-to-List Ratio 96%AVAlaina DeVries (Seller): Sale-to-List Ratio 108%ADIosvany Acosta (Seller): Sale-to-List Ratio 103%IA
Higher is better
Lower is better
Negotiation leverage in Entry Level Condo/Co-op has stabilized over the last 6 months, with sellers receiving 94%.
Entry Level Condo/Co-op Segment
($400K - $1.9M)
DEALS
96
AVG. DOM
81d
Sale Price to List Price Ratio
95%
AD
Alaina DeVries
Top Seller
1-3
30-60 days
102%
SB
1-3
> 60 days
87%
Mid-Market Condo/Co-op Market Trends
Median Price
Market Trend
$1.9M$2.8M$3.6MJanFebMarAprMayJunIsabel Dohse (Buyer): Median Price $2.3MIDPriscila Fogel (Buyer): Median Price $2.9MPFPriscila Fogel (Buyer): Median Price $3MPFAlejandro Tabosky (Buyer): Median Price $2.4MATAlejandro Tabosky (Buyer): Median Price $2.5MATDouglas Kinsley (Buyer): Median Price $2.1MDKAlejandra Stalder (Seller): Median Price $3.4MASCatalina Marin Fuenzalida (Seller): Median Price $3.4MCF
The average price in the Mid-Market Condo/Co-op segment has risen by 22% over the last 6 months.
Days On Market Avg.
Market Trend
0d81d162dJanFebMarAprMayJunIsabel Dohse (Buyer): Days On Market Avg. 64dIDPriscila Fogel (Buyer): Days On Market Avg. 8dPFPriscila Fogel (Buyer): Days On Market Avg. 142dPFAlejandro Tabosky (Buyer): Days On Market Avg. 58dATAlejandro Tabosky (Buyer): Days On Market Avg. 44dATDouglas Kinsley (Buyer): Days On Market Avg. 136dDKAlejandra Stalder (Seller): Days On Market Avg. 70dASCatalina Marin Fuenzalida (Seller): Days On Market Avg. 70dCF
Lower is better
Days on market for Mid-Market Condo/Co-op is decreasing, with homes now staying on market for 80 days on average.
Sale Price to List Price Ratio
Market Trend
73%88%104%JanFebMarAprMayJunIsabel Dohse (Buyer): Sale-to-List Ratio 92%IDPriscila Fogel (Buyer): Sale-to-List Ratio 94%PFPriscila Fogel (Buyer): Sale-to-List Ratio 97%PFAlejandro Tabosky (Buyer): Sale-to-List Ratio 94%ATAlejandro Tabosky (Buyer): Sale-to-List Ratio 97%ATDouglas Kinsley (Buyer): Sale-to-List Ratio 76%DKAlejandra Stalder (Seller): Sale-to-List Ratio 100%ASCatalina Marin Fuenzalida (Seller): Sale-to-List Ratio 100%CF
Higher is better
Lower is better
Negotiation leverage in Mid-Market Condo/Co-op has stabilized over the last 6 months, with sellers receiving 95%.
Mid-Market Condo/Co-op Segment
($2.1M - $3.6M)
DEALS
28
AVG. DOM
92d
Sale Price to List Price Ratio
93%
CS
Carole Smith
Top Seller
1-3
30-60 days
100%
DG
1-3
> 60 days
93%
High-End Condo/Co-op Market Trends
Median Price
Market Trend
$3.6M$4.5M$5.5MJanFebMarAprMayJunGeysa Guarconi (Buyer): Median Price $5.2MGGManuel Madero (Buyer): Median Price $4.2MMMIrene Rojas (Buyer): Median Price $4.9MIRRenata Galembeck Rohr (Seller): Median Price $5.2MRR
The average price in the High-End Condo/Co-op segment has risen by 23% over the last 4 months.
Days On Market Avg.
Market Trend
11d102d193dJanFebMarAprMayJunGeysa Guarconi (Buyer): Days On Market Avg. 172dGGManuel Madero (Buyer): Days On Market Avg. 32dMMIrene Rojas (Buyer): Days On Market Avg. 133dIRRenata Galembeck Rohr (Seller): Days On Market Avg. 35dRR
Lower is better
Days on market for High-End Condo/Co-op is increasing, with homes now staying on market for 172 days on average.
Sale Price to List Price Ratio
Market Trend
91%98%104%JanFebMarAprMayJunGeysa Guarconi (Buyer): Sale-to-List Ratio 93%GGManuel Madero (Buyer): Sale-to-List Ratio 95%MMIrene Rojas (Buyer): Sale-to-List Ratio 96%IRRenata Galembeck Rohr (Seller): Sale-to-List Ratio 103%RR
Higher is better
Lower is better
Seller leverage in the High-End Condo/Co-op market is shifting towards buyers, with the Sale Price to List Price Ratio now at 93%.
High-End Condo/Co-op Segment
($3.8M - $5.2M)
DEALS
11
AVG. DOM
87d
Sale Price to List Price Ratio
98%
1-3
30-60 days
103%
1-3
> 60 days
100%
Ultra-Luxury Condo/Co-op Market Trends
Median Price
Market Trend
$5.9M$8.1M$10.3MJanFebMarAprMayJunEsteban Ferrari (Buyer): Median Price $9.8MEFRicardo Gross (Buyer): Median Price $6.4MRGCarlos Coto (Seller): Median Price $6.4MCCIsabel Dohse (Seller): Median Price $9.8MID
The average price in the Ultra-Luxury Condo/Co-op segment has risen by 52% over the last 2 months.
Days On Market Avg.
Market Trend
41d47d54dJanFebMarAprMayJunEsteban Ferrari (Buyer): Days On Market Avg. 52dEFRicardo Gross (Buyer): Days On Market Avg. 42dRGCarlos Coto (Seller): Days On Market Avg. 42dCCIsabel Dohse (Seller): Days On Market Avg. 52dID
Lower is better
Days on market for Ultra-Luxury Condo/Co-op is increasing, with homes now staying on market for 52 days on average.
Sale Price to List Price Ratio
Market Trend
92%95%98%JanFebMarAprMayJunEsteban Ferrari (Buyer): Sale-to-List Ratio 93%EFRicardo Gross (Buyer): Sale-to-List Ratio 97%RGCarlos Coto (Seller): Sale-to-List Ratio 97%CCIsabel Dohse (Seller): Sale-to-List Ratio 93%ID
Higher is better
Lower is better
Seller leverage in the Ultra-Luxury Condo/Co-op market is shifting towards buyers, with the Sale Price to List Price Ratio now at 93%.
Ultra-Luxury Condo/Co-op Segment
($6.4M - $9.8M)
DEALS
2
AVG. DOM
47d
Sale Price to List Price Ratio
95%
CC
Carlos Coto
Top Seller
1-3
30-60 days
97%
EF
1-3
30-60 days
93%

Detached Homes

135JanFebMarAprMayJun
Sales Volume
Sales volume has decreased by 39% over the last 6 months, showing a downward trend with currently 1 transactions.
Mid-Market Detached Home Market Trends
Median Price
Market Trend
$2.7M$3.3M$3.8MJanFebMarAprMayJunPhilip Meagher (Buyer): Median Price $3MPMMaurice Milton (Buyer): Median Price $3.1MMMLiz Hogan (Buyer): Median Price $3.7MLHOlalla Gimenez Gil (Buyer): Median Price $3.5MOGWilliam Earle (Buyer): Median Price $2.9MWEWilliam Earle (Seller): Median Price $2.9MWEElena Iturriaga (Seller): Median Price $3.5MEI
The average price in the Mid-Market Detached Home segment has softened by 18% over the last 4 months.
Days On Market Avg.
Market Trend
32d70d107dJanFebMarAprMayJunPhilip Meagher (Buyer): Days On Market Avg. 41dPMMaurice Milton (Buyer): Days On Market Avg. 69dMMLiz Hogan (Buyer): Days On Market Avg. 98dLHOlalla Gimenez Gil (Buyer): Days On Market Avg. 44dOGWilliam Earle (Buyer): Days On Market Avg. 84dWEWilliam Earle (Seller): Days On Market Avg. 84dWEElena Iturriaga (Seller): Days On Market Avg. 44dEI
Lower is better
Days on market for Mid-Market Detached Home is decreasing, with homes now staying on market for 41 days on average.
Sale Price to List Price Ratio
Market Trend
87%92%96%JanFebMarAprMayJunPhilip Meagher (Buyer): Sale-to-List Ratio 88%PMMaurice Milton (Buyer): Sale-to-List Ratio 90%MMLiz Hogan (Buyer): Sale-to-List Ratio 93%LHOlalla Gimenez Gil (Buyer): Sale-to-List Ratio 93%OGWilliam Earle (Buyer): Sale-to-List Ratio 95%WEWilliam Earle (Seller): Sale-to-List Ratio 95%WEElena Iturriaga (Seller): Sale-to-List Ratio 93%EI
Higher is better
Lower is better
Seller leverage in the Mid-Market Detached Home market is shifting towards buyers, with the Sale Price to List Price Ratio now at 88%.
Mid-Market Detached Home Segment
($2.4M - $3.7M)
DEALS
8
AVG. DOM
83d
Sale Price to List Price Ratio
94%
PP
1-3
> 60 days
100%
PM
1-3
30-60 days
88%
High-End Detached Home Market Trends
Median Price
Market Trend
$4M$4.9M$5.9MJanFebMarAprMayJunElena Chacon (Buyer): Median Price $4.2MECThania Vernon (Buyer): Median Price $4.4MTVMaureen Jauregui (Buyer): Median Price $4.8MMJElena Iturriaga (Seller): Median Price $5MEI
The average price in the High-End Detached Home segment has risen by 22% over the last 4 months.
Days On Market Avg.
Market Trend
11d93d175dJanFebMarAprMayJunElena Chacon (Buyer): Days On Market Avg. 156dECThania Vernon (Buyer): Days On Market Avg. 79dTVMaureen Jauregui (Buyer): Days On Market Avg. 66dMJElena Iturriaga (Seller): Days On Market Avg. 30dEI
Lower is better
Days on market for High-End Detached Home is decreasing, with homes now staying on market for 40 days on average.
Sale Price to List Price Ratio
Market Trend
91%96%101%JanFebMarAprMayJunElena Chacon (Buyer): Sale-to-List Ratio 92%ECThania Vernon (Buyer): Sale-to-List Ratio 96%TVMaureen Jauregui (Buyer): Sale-to-List Ratio 96%MJElena Iturriaga (Seller): Sale-to-List Ratio 100%EI
Higher is better
Lower is better
Seller leverage in the High-End Detached Home market is strengthening, with the Sale Price to List Price Ratio now at 96%.
High-End Detached Home Segment
($4M - $5.7M)
DEALS
11
AVG. DOM
79d
Sale Price to List Price Ratio
96%
1-3
30-60 days
104%
EI
1-3
> 60 days
88%
Ultra-Luxury Detached Home Market Trends
Median Price
Market Trend
$4.6M$13.9M$23.1MJanFebMarAprMayJunBrigitte Nachtigall (Buyer): Median Price $21MBNLuis Fontaneda (Buyer): Median Price $8.2MLFElena Chacon (Seller): Median Price $6.7MEC
The average price in the Ultra-Luxury Detached Home segment has softened by 54% over the last 2 months.
Days On Market Avg.
Market Trend
46d80d113dJanFebMarAprMayJunBrigitte Nachtigall (Buyer): Days On Market Avg. 105dBNLuis Fontaneda (Buyer): Days On Market Avg. 93dLFElena Chacon (Seller): Days On Market Avg. 54dEC
Lower is better
Days on market for Ultra-Luxury Detached Home is decreasing, with homes now staying on market for 54 days on average.
Sale Price to List Price Ratio
Market Trend
88%95%102%JanFebMarAprMayJunBrigitte Nachtigall (Buyer): Sale-to-List Ratio 89%BNLuis Fontaneda (Buyer): Sale-to-List Ratio 92%LFElena Chacon (Seller): Sale-to-List Ratio 101%EC
Higher is better
Lower is better
Seller leverage in the Ultra-Luxury Detached Home market is strengthening, with the Sale Price to List Price Ratio now at 101%.
Ultra-Luxury Detached Home Segment
($6.2M - $21M)
DEALS
7
AVG. DOM
90d
Sale Price to List Price Ratio
92%
EC
Elena Chacon
Top Seller
1-3
30-60 days
101%
1-3
> 60 days
80%

Key Biscayne Real Estate Market Trends July 2026

Total Active Listings
180
+9 New
Recently Listed (7d)
9
market entries
Average List Price
$6.6M
current avg.

Inventory Breakdown by Segment

Property TypeEntry LevelHigh-EndMid-MarketUltra-LuxuryTotal
Condo/Co-op
83
10
22
11
126
Detached Home
12
2
31
45
Townhome
5
1
3
9

Market Insights & FAQ

How is the real estate market in Key Biscayne, FL performing right now?

The data indicates a stable environment in Key Biscayne, FL. Inventory is at 12.3 months, meaning a balanced environment with steady turnover. Inventory levels provide a healthy range of options for prospective buyers.

What are the current pricing trends for Key Biscayne, FL real estate?

Currently, $2,850,000 represents the median entry point in Key Biscayne, FL. Over the past half-year, home values in Key Biscayne have moved upward by approximately 16% based on regional transaction data.

Are sellers in Key Biscayne, FL getting their full asking price?

Buyers have room for negotiation in Key Biscayne, FL, with a Sale Price to List Price Ratio of 95%. On average, properties in Key Biscayne are transitioning from active to sold status in 78 days.

Who is the best agent to sell my home in Key Biscayne?

Based on closed transaction data, Alaina DeVries ranks at the top of our Key Biscayne leaderboard — with 2 completed transactions on record earning an algorithm performance score of 18. Agent Algo's rankings are built entirely from real deal outcomes — not reviews or paid placements — so this reflects actual results in the local market.

How does the Key Biscayne, FL market compare to Miami-dade trends?

Key Biscayne, FL maintains a distinct profile within the broader Miami-dade region. Median home values are currently 130% higher than the regional average, reflecting the unique demand and inventory dynamics of Key Biscayne.

Which agent is best for buying a Mid-Market Condo/Co-op in Key Biscayne, FL?

Buyers targeting Mid-Market Condo/Co-op homes in Key Biscayne, FL may want to work with Daniel Gaviria. Their buyer transactions in the Mid-Market Condo/Co-op category in Key Biscayne, FL reflect genuine niche experience — a meaningful advantage over agents working this segment only occasionally.

Which agent is best for buying a Entry Level Condo/Co-op in Key Biscayne, FL?

Our data flags Sandra Borgonovo as a top buyer's advocate for Entry Level Condo/Co-op properties in Key Biscayne, FL. The data shows a consistent pattern across their deals here: shorter time to close than the segment average, and acquisition terms that tend to land below-average relative to list price. Two things buyers care about most.

Who is a top listing agent for Entry Level Condo/Co-op homes in Key Biscayne, FL?

Among agents with recent closings in the Entry Level Condo/Co-op space, Alaina DeVries has the strongest performance metrics in Key Biscayne, FL. Speed and price retention together are the hardest combination to find in a single agent. Their track record in the Entry Level Condo/Co-op category in Key Biscayne, FL reflects both.

Which agent is best for buying a High-End Condo/Co-op in Key Biscayne, FL?

Among agents actively helping buyers in the High-End Condo/Co-op space, Victor Florencio Sanchez stands out in Key Biscayne, FL. Their buyer transactions in this niche close faster than the segment average — a real advantage in a market where hesitation often means losing the deal.

Which agent is best for buying a Ultra-Luxury Detached Home in Key Biscayne, FL?

Catalina Marin Fuenzalida has a strong showing as a buyer's agent in Key Biscayne's Ultra-Luxury Detached Home market. Across their deals in the Ultra-Luxury Detached Home category, Catalina Marin Fuenzalida has consistently achieved better-than-average terms relative to asking price in Key Biscayne, FL. That kind of negotiating edge compounds over a transaction.

Which agent is best for buying a High-End Detached Home in Key Biscayne, FL?

For those looking to purchase a High-End Detached Home in Key Biscayne, FL, Elena Iturriaga has the deal history to support the choice. Buying effectively in this segment means knowing when and how hard to push. Their track record here shows they regularly outperform the local sale-to-list benchmark — in the buyer's favor.

Which agent is best for buying a Mid-Market Detached Home in Key Biscayne, FL?

Navigating Key Biscayne's Mid-Market Detached Home market as a buyer? Philip Meagher is among the most effective agents in this niche. Their buyer transactions in this segment close faster than the local norm and at sale-to-list ratios that are more favorable than typical — meaning they move quickly and negotiate effectively for the buyers they represent.

Which agent is best for buying a Ultra-Luxury Condo/Co-op in Key Biscayne, FL?

Esteban Ferrari has helped buyers close on Ultra-Luxury Condo/Co-op properties in Key Biscayne, FL — and the data shows it. Across their deals in the Ultra-Luxury Condo/Co-op category, Esteban Ferrari has consistently achieved better-than-average terms relative to asking price in Key Biscayne, FL. That kind of negotiating edge compounds over a transaction.

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