Single Family Homes in Key Biscayne, FL
45 listings in Key Biscayne
There are 45 single-family homes for sale in Key Biscayne, Florida right now, priced from $1.2M to $237M. The median list price is $7,390,000. That puts this segment 197% above the overall Key Biscayne median of $2,490,000 across 151 active listings.
These homes average 4,198 square feet of living area on lots averaging 0.33 acres. Average pricing runs $3,486 per square foot versus $2,424 citywide. The median year built is 1996. 87% of them include a private pool.
This segment averages 134 days on market, 19 days longer than the Key Biscayne average of 115. The median closed-sale price in Key Biscayne is $1,527,500. Deals close at 94.5% of list price. The absorption rate is 12.7%.
The largest concentration is in Biscayne Key Estates, with 9 available listings. The rest is spread across 17 other communities.
María Delgado works the South Florida market daily and can send you the full list with photos, association documents and recent comparables — in English or Spanish.
Market overview
Total active
45
Avg price
$14,632,311.09
Median price
$7,390,000.00
Price range
$1,220,000.00 – $237,000,000.00
Avg $/sqft
$3,485.91
Luxury (1M+)
45
Market Pulse
Based on 86 closed sales in Key Biscayne · last 12 months
💰
Median Sold Price
$1,527,500
from closed sales
📅
Avg. Days on Market
100 days
from list to contract
📊
Absorption Rate
12.7%
of inventory sold per month
🎯
Sale-to-List Ratio
94.5%
of asking price
Source: Spark MLS · Updated every 6h
45 listings in Key Biscayne
$7,599,000
315 Cypress Drive, Key Biscayne, FL 33149 · Key Biscayne · FL 33149
6 bd · 8 ba · 3,980 sqft
$1,410,000
177 Ocean Lane Drive, Key Biscayne, FL 33149 · Key Biscayne · FL 33149
2 bd · 2 ba · 1,260 sqft
$19,450,000
550 Harbor Drive, Key Biscayne, FL 33149 · Key Biscayne · FL 33149
7 bd · 8 ba · 6,497 sqft
$18,500,000
631 N Mashta Drive, Key Biscayne, FL 33149 · Key Biscayne · FL 33149
4 bd · 5 ba · 2,255 sqft
$3,499,999
200 Ocean Lane Drive 501, Key Biscayne, FL 33149 · Key Biscayne · FL 33149
4 bd · 4 ba · 1,880 sqft
$5,378,000
690 Warren Lane, Key Biscayne, FL 33149 · Key Biscayne · FL 33149
4 bd · 4 ba · 3,549 sqft
$7,490,000
571 Glenridge Road, Key Biscayne, FL 33149 · Key Biscayne · FL 33149
5 bd · 7 ba · 3,768 sqft