Waterfront Homes in Key Biscayne, FL

There are 78 waterfront homes for sale in Key Biscayne, Florida right now, priced from $724K to $237M. The median list price is $2,907,500. That puts this segment 17% above the overall Key Biscayne median of $2,490,000 across 151 active listings.

These homes average 2,905 square feet of living area on lots averaging 0.58 acres. Average pricing runs $3,096 per square foot versus $2,424 citywide. The median year built is 1978. 18% of them include a private pool.

This segment averages 123 days on market, 8 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 Oceana Key Biscayne Condo, with 8 available listings. The rest is spread across 31 other communities.

Waterfront pricing in South Florida depends less on the water view than on access: fixed bridges, dock depth and seawall condition change value substantially. Request the seawall age and any dock permits early.

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.