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 94% of their value (Sale Price to List Price Ratio). With 152 active listings and 17 closed sales this month, inventory remains at 11.1 months of supply. Trends over the last half-year show median values moving up by 41%, while Average Days on Market has decreased by 6%. Transaction speed in Key Biscayne is currently 8 days slower than the broader Miami-dade benchmark.

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

Condo/Co-op

31017DecJanFebMarAprMay
Sales Volume
Sales volume has decreased by 39% over the last 6 months, showing a downward trend with currently 3 transactions.
Entry Level Condo/Co-op Market Trends
Median Price
Market Trend
$467K$1.4M$2.3MDecJanFebMarAprMaySandra Borgonovo (Buyer): Median Price $990KSBMaximiliano Grigio (Buyer): Median Price $780KMGMarina Velazquez Valiente (Buyer): Median Price $1.4MMVMarina Velazquez Valiente (Buyer): Median Price $680KMVDouglas Kinsley (Buyer): Median Price $2.1MDKAlaina DeVries (Seller): Median Price $970KADAlaina DeVries (Seller): Median Price $1.3MADGisell Stella (Seller): Median Price $1.3MGSIosvany Acosta (Seller): Median Price $1.9MIA
The average price in the Entry Level Condo/Co-op segment has risen by 21% over the last 6 months.
Days On Market Avg.
Market Trend
11d82d152dDecJanFebMarAprMaySandra Borgonovo (Buyer): Days On Market Avg. 57dSBMaximiliano Grigio (Buyer): Days On Market Avg. 72dMGMarina Velazquez Valiente (Buyer): Days On Market Avg. 64dMVMarina Velazquez Valiente (Buyer): Days On Market Avg. 107dMVDouglas Kinsley (Buyer): Days On Market Avg. 136dDKAlaina DeVries (Seller): Days On Market Avg. 74dADAlaina DeVries (Seller): Days On Market Avg. 44dADGisell Stella (Seller): Days On Market Avg. 46dGSIosvany Acosta (Seller): Days On Market Avg. 27dIA
Lower is better
Average days on market for Entry Level Condo/Co-op properties has held consistent over the last 6 months at 81 days.
Sale Price to List Price Ratio
Market Trend
72%92%113%DecJanFebMarAprMaySandra Borgonovo (Buyer): Sale-to-List Ratio 80%SBMaximiliano Grigio (Buyer): Sale-to-List Ratio 98%MGMarina Velazquez Valiente (Buyer): Sale-to-List Ratio 97%MVMarina Velazquez Valiente (Buyer): Sale-to-List Ratio 97%MVDouglas Kinsley (Buyer): Sale-to-List Ratio 76%DKAlaina DeVries (Seller): Sale-to-List Ratio 108%ADAlaina DeVries (Seller): Sale-to-List Ratio 96%ADGisell Stella (Seller): Sale-to-List Ratio 100%GSIosvany Acosta (Seller): Sale-to-List Ratio 103%IA
Higher is better
Lower is better
Seller leverage in the Entry Level Condo/Co-op market is shifting towards buyers, with the Sale Price to List Price Ratio now at 97%.
Entry Level Condo/Co-op Segment
($400K - $2.3M)
DEALS
82
AVG. DOM
89d
Sale Price to List Price Ratio
95%
AD
Alaina DeVries
Top Seller
1-3
30-60 days
102%
SB
Sandra Borgonovo
Top Buyer
1-3
> 60 days
87%
Mid-Market Condo/Co-op Market Trends
Median Price
Market Trend
$2.3M$3.2M$4MDecJanFebMarAprMayGuillermo Meneses Imber (Buyer): Median Price $3.6MGICarolina Trovo (Buyer): Median Price $2.6MCTSoledad Carreiro (Buyer): Median Price $2.6MSCKarina Bornacelli (Buyer): Median Price $2.9MKBDouglas Kinsley (Seller): Median Price $2.6MDKCarlos Coto (Seller): Median Price $3.8MCCNatalia Anda (Seller): Median Price $2.5MNAJoan Mc Caughan (Seller): Median Price $2.8MJC
The average price in the Mid-Market Condo/Co-op segment has risen by 7% over the last 5 months.
Days On Market Avg.
Market Trend
29d111d193dDecJanFebMarAprMayGuillermo Meneses Imber (Buyer): Days On Market Avg. 174dGICarolina Trovo (Buyer): Days On Market Avg. 143dCTSoledad Carreiro (Buyer): Days On Market Avg. 143dSCKarina Bornacelli (Buyer): Days On Market Avg. 80dKBDouglas Kinsley (Seller): Days On Market Avg. 48dDKCarlos Coto (Seller): Days On Market Avg. 119dCCNatalia Anda (Seller): Days On Market Avg. 87dNAJoan Mc Caughan (Seller): Days On Market Avg. 87dJC
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
87%94%100%DecJanFebMarAprMayGuillermo Meneses Imber (Buyer): Sale-to-List Ratio 88%GICarolina Trovo (Buyer): Sale-to-List Ratio 89%CTSoledad Carreiro (Buyer): Sale-to-List Ratio 89%SCKarina Bornacelli (Buyer): Sale-to-List Ratio 89%KBDouglas Kinsley (Seller): Sale-to-List Ratio 95%DKCarlos Coto (Seller): Sale-to-List Ratio 99%CCNatalia Anda (Seller): Sale-to-List Ratio 98%NAJoan Mc Caughan (Seller): Sale-to-List Ratio 97%JC
Higher is better
Lower is better
Seller leverage in the Mid-Market Condo/Co-op market is shifting towards buyers, with the Sale Price to List Price Ratio now at 89%.
Mid-Market Condo/Co-op Segment
($2.4M - $4M)
DEALS
20
AVG. DOM
105d
Sale Price to List Price Ratio
95%
DK
Douglas Kinsley
Top Seller
1-3
> 60 days
97%
DG
Daniel Gaviria
Top Buyer
1-3
> 60 days
93%
High-End Condo/Co-op Market Trends
Median Price
Market Trend
$4.2M$5.5M$6.7MDecJanFebMarAprMayDolores Urdapilleta (Buyer): Median Price $4.6MDUIrene Rojas (Buyer): Median Price $4.9MIRRicardo Gross (Buyer): Median Price $6.4MRGRenata Galembeck Rohr (Seller): Median Price $5.2MRRClaudine Coto (Seller): Median Price $5.1MCCElena Chacon (Seller): Median Price $4.5MECGabriela Morales (Seller): Median Price $4.5MGMIngo Viehweg (Seller): Median Price $5MIV
The average price in the High-End Condo/Co-op segment has risen by 5% over the last 3 months.
Days On Market Avg.
Market Trend
17d97d176dDecJanFebMarAprMayDolores Urdapilleta (Buyer): Days On Market Avg. 158dDUIrene Rojas (Buyer): Days On Market Avg. 133dIRRicardo Gross (Buyer): Days On Market Avg. 42dRGRenata Galembeck Rohr (Seller): Days On Market Avg. 35dRRClaudine Coto (Seller): Days On Market Avg. 54dCCElena Chacon (Seller): Days On Market Avg. 47dECGabriela Morales (Seller): Days On Market Avg. 47dGMIngo Viehweg (Seller): Days On Market Avg. 71dIV
Lower is better
Days on market for High-End Condo/Co-op is increasing, with homes now staying on market for 84 days on average.
Sale Price to List Price Ratio
Market Trend
90%97%104%DecJanFebMarAprMayDolores Urdapilleta (Buyer): Sale-to-List Ratio 92%DUIrene Rojas (Buyer): Sale-to-List Ratio 96%IRRicardo Gross (Buyer): Sale-to-List Ratio 97%RGRenata Galembeck Rohr (Seller): Sale-to-List Ratio 103%RRClaudine Coto (Seller): Sale-to-List Ratio 100%CCElena Chacon (Seller): Sale-to-List Ratio 100%ECGabriela Morales (Seller): Sale-to-List Ratio 100%GMIngo Viehweg (Seller): Sale-to-List Ratio 100%IV
Higher is better
Lower is better
Seller leverage in the High-End Condo/Co-op market is strengthening, with the Sale Price to List Price Ratio now at 99%.
High-End Condo/Co-op Segment
($4.5M - $6.4M)
DEALS
9
AVG. DOM
79d
Sale Price to List Price Ratio
98%
RR
Renata Galembeck Rohr
Top Seller
1-3
30-60 days
103%
DU
Dolores Urdapilleta
Top Buyer
1-3
> 60 days
92%
Ultra-Luxury Condo/Co-op Market Trends
Median Price
Market Trend
$9.7M$9.8M$9.8MDecJanFebMarAprMayEsteban Ferrari (Buyer): Median Price $9.8MEFIsabel Dohse (Seller): Median Price $9.8MID
The Ultra-Luxury Condo/Co-op tier commands a price of $9.8M.
Days On Market Avg.
Market Trend
52d52d52dDecJanFebMarAprMayEsteban Ferrari (Buyer): Days On Market Avg. 52dEFIsabel Dohse (Seller): Days On Market Avg. 52dID
Lower is better
Condo/Co-op homes in the Ultra-Luxury range average 52 days on market.
Sale Price to List Price Ratio
Market Trend
93%93%93%DecJanFebMarAprMayEsteban Ferrari (Buyer): Sale-to-List Ratio 93%EFIsabel Dohse (Seller): Sale-to-List Ratio 93%ID
Higher is better
Lower is better
Sellers of Ultra-Luxury Condo/Co-op assets receive 93% of list price.
Ultra-Luxury Condo/Co-op Segment
($9.8M - $9.8M)
DEALS
1
AVG. DOM
52d
Sale Price to List Price Ratio
93%
ID
Isabel Dohse
Top Seller
1-3
30-60 days
93%
EF
Esteban Ferrari
Top Buyer
1-3
30-60 days
93%

Detached Homes

234DecJanFebMarApr
Sales Volume
Sales volume has grown by 33% over the last 5 months, showing a positive trend with currently 4 transactions.
Mid-Market Detached Home Market Trends
Median Price
Market Trend
$3M$3.7M$4.4MDecJanFebMarAprMayMaurice Milton (Buyer): Median Price $3.1MMMElena Chacon (Buyer): Median Price $4.2MECLiz Hogan (Buyer): Median Price $3.7MLHOlalla Gimenez Gil (Buyer): Median Price $3.5MOG
The average price in the Mid-Market Detached Home segment has risen by 2% over the last 2 months.
Days On Market Avg.
Market Trend
27d100d173dDecJanFebMarAprMayMaurice Milton (Buyer): Days On Market Avg. 69dMMElena Chacon (Buyer): Days On Market Avg. 156dECLiz Hogan (Buyer): Days On Market Avg. 98dLHOlalla Gimenez Gil (Buyer): Days On Market Avg. 44dOG
Lower is better
Days on market for Mid-Market Detached Home is increasing, with homes now staying on market for 113 days on average.
Sale Price to List Price Ratio
Market Trend
90%92%94%DecJanFebMarAprMayMaurice Milton (Buyer): Sale-to-List Ratio 90%MMElena Chacon (Buyer): Sale-to-List Ratio 92%ECLiz Hogan (Buyer): Sale-to-List Ratio 93%LHOlalla Gimenez Gil (Buyer): Sale-to-List Ratio 93%OG
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 91%.
Mid-Market Detached Home Segment
($2.4M - $4.2M)
DEALS
12
AVG. DOM
85d
Sale Price to List Price Ratio
94%
RK
Rodrigo Kirilauscas
Top Seller
1-3
30-60 days
104%
MH
Maria Pina Horta
Top Buyer
1-3
30-60 days
89%
High-End Detached Home Market Trends
Median Price
Market Trend
$4.1M$5.6M$7MDecJanFebMarAprMayElena Iturriaga (Buyer): Median Price $5.3MEIThania Vernon (Buyer): Median Price $4.4MTVElena Iturriaga (Seller): Median Price $5MEIElena Chacon (Seller): Median Price $6.7MECJoan Mc Caughan (Seller): Median Price $4.5MJC
The average price in the High-End Detached Home segment has softened by 14% over the last 3 months.
Days On Market Avg.
Market Trend
8d103d198dDecJanFebMarAprMayElena Iturriaga (Buyer): Days On Market Avg. 176dEIThania Vernon (Buyer): Days On Market Avg. 79dTVElena Iturriaga (Seller): Days On Market Avg. 30dEIElena Chacon (Seller): Days On Market Avg. 54dECJoan Mc Caughan (Seller): Days On Market Avg. 57dJC
Lower is better
Days on market for High-End Detached Home is decreasing, with homes now staying on market for 55 days on average.
Sale Price to List Price Ratio
Market Trend
86%94%103%DecJanFebMarAprMayElena Iturriaga (Buyer): Sale-to-List Ratio 88%EIThania Vernon (Buyer): Sale-to-List Ratio 96%TVElena Iturriaga (Seller): Sale-to-List Ratio 100%EIElena Chacon (Seller): Sale-to-List Ratio 101%ECJoan Mc Caughan (Seller): Sale-to-List Ratio 97%JC
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 98%.
High-End Detached Home Segment
($4.4M - $6.7M)
DEALS
13
AVG. DOM
80d
Sale Price to List Price Ratio
95%
EI
Elena Iturriaga
Top Seller
1-3
15-30 days
100%
JB
Joan Bruggink
Top Buyer
1-3
> 60 days
86%
Ultra-Luxury Detached Home Market Trends
Median Price
Market Trend
$6.3M$14.6M$22.9MDecJanFebMarAprMayBrigitte Nachtigall (Buyer): Median Price $21MBNLuis Fontaneda (Buyer): Median Price $8.2MLFBrigitte Nachtigall (Seller): Median Price $8.2MBNJorge Boj (Seller): Median Price $8.2MJBDora Puig (Seller): Median Price $21MDP
The Ultra-Luxury Detached Home tier commands a price of $14.6M.
Days On Market Avg.
Market Trend
91d99d107dDecJanFebMarAprMayBrigitte Nachtigall (Buyer): Days On Market Avg. 105dBNLuis Fontaneda (Buyer): Days On Market Avg. 93dLFBrigitte Nachtigall (Seller): Days On Market Avg. 93dBNJorge Boj (Seller): Days On Market Avg. 93dJBDora Puig (Seller): Days On Market Avg. 105dDP
Lower is better
Detached Home homes in the Ultra-Luxury range average 99 days on market.
Sale Price to List Price Ratio
Market Trend
89%91%92%DecJanFebMarAprMayBrigitte Nachtigall (Buyer): Sale-to-List Ratio 89%BNLuis Fontaneda (Buyer): Sale-to-List Ratio 92%LFBrigitte Nachtigall (Seller): Sale-to-List Ratio 92%BNJorge Boj (Seller): Sale-to-List Ratio 92%JBDora Puig (Seller): Sale-to-List Ratio 89%DP
Higher is better
Lower is better
Sellers of Ultra-Luxury Detached Home assets receive 91% of list price.
Ultra-Luxury Detached Home Segment
($8.2M - $21M)
DEALS
3
AVG. DOM
95d
Sale Price to List Price Ratio
94%
BL
Brigitte De Langeron
Top Seller
1-3
> 60 days
100%
BN
Brigitte Nachtigall
Top Buyer
1-3
> 60 days
89%

Key Biscayne Real Estate Market Trends June 2026

Total Active Listings
152
Recently Listed (7d)
0
market entries
Average List Price
$7M
current avg.

Inventory Breakdown by Segment

Property TypeEntry LevelHigh-EndMid-MarketUltra-LuxuryTotal
Condo/Co-op
73
9
20
6
108
Detached Home
13
5
21
39
Townhome
3
1
1
5

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 11.1 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, $3,366,000 represents the median entry point in Key Biscayne, FL. Over the past half-year, home values in Key Biscayne have moved upward by approximately 41% 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 93.9%. On average, properties in Key Biscayne are transitioning from active to sold status in 81 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 142% 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 closings in this segment show a sale-to-list ratio that's more favorable than the local average — a signal of effective negotiation that keeps final purchase prices competitive for buyers.

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 Detached Home in Key Biscayne, FL?

Among agents actively helping buyers in the High-End Detached Home space, Joan Bruggink stands out in Key Biscayne, FL. Their buyer closings in this segment show a sale-to-list ratio that's more favorable than the local average — a signal of effective negotiation that keeps final purchase prices competitive for buyers.

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

Maria Pina Horta has a strong showing as a buyer's agent in Key Biscayne's Mid-Market Detached Home market. 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.

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

For those looking to purchase a Ultra-Luxury Detached Home in Key Biscayne, FL, Brigitte Nachtigall 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.

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

In the Mid-Market Condo/Co-op category, few agents in Key Biscayne, FL can match the track record of Douglas Kinsley. Their listings in this segment have consistently closed faster than the local average while achieving above-average sale-to-list ratios — a rare combination that directly benefits sellers on both time and final price.

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

Dolores Urdapilleta has helped buyers close on High-End Condo/Co-op properties in Key Biscayne, FL — and the data shows it. Across their deals in the High-End Condo/Co-op category, Dolores Urdapilleta 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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