5 Bedroom Homes in Key Biscayne, FL
31 listings in Key Biscayne
There are 31 5+ bedroom homes for sale in Key Biscayne, Florida right now, priced from $3.7M to $237M. The median list price is $8,000,000. That puts this segment 221% above the overall Key Biscayne median of $2,490,000 across 151 active listings.
These homes average 5,072 square feet of living area on lots averaging 0.36 acres. Average pricing runs $3,688 per square foot versus $2,424 citywide. The median year built is 2004. 87% of them include a private pool.
This segment averages 146 days on market, 31 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 7 available listings. The rest is spread across 16 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
31
Avg price
$18,701,838.71
Median price
$8,000,000.00
Price range
$3,730,000.00 – $237,000,000.00
Avg $/sqft
$3,687.53
Luxury (1M+)
31
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
31 listings in Key Biscayne
↓ Price drop$4,899,000
24 Grand Bay Estates Circle, Key Biscayne, FL 33149 · Key Biscayne · FL 33149
5 bd · 6 ba · 4,220 sqft
$7,599,000
315 Cypress Drive, Key Biscayne, FL 33149 · Key Biscayne · FL 33149
6 bd · 8 ba · 3,980 sqft
$19,450,000
550 Harbor Drive, Key Biscayne, FL 33149 · Key Biscayne · FL 33149
7 bd · 8 ba · 6,497 sqft
$17,900,000
350 Ocean Drive LPH2N, Key Biscayne, FL 33149 · Key Biscayne · FL 33149
5 bd · 6 ba · 4,764 sqft
$7,490,000
571 Glenridge Road, Key Biscayne, FL 33149 · Key Biscayne · FL 33149
5 bd · 7 ba · 3,768 sqft
$6,950,000
685 Harbor Lane, Key Biscayne, FL 33149 · Key Biscayne · FL 33149
5 bd · 6 ba · 5,421 sqft
$7,390,000
741 Harbor Drive, Key Biscayne, FL 33149 · Key Biscayne · FL 33149
6 bd · 7 ba · 4,043 sqft