Key Biscayne condo market report — Dec 2025

December 2025 in Key Biscayne

9 condos came to market in Key Biscayne during December 2025.

Closed sales

16 condo sales closed in December 2025 at a median price of $1,230,000 ($829 per square foot), after a median 44 days on market.

That compares with 6 closings in November 2025, when the median closed price per square foot was $944.

Year over year, closed prices per square foot are up 10.3% from $752 in December 2024.

The trailing year

Over the 12 months ending December 2025, Key Biscayne recorded 154 condo closings — an average of 13 a month — with the busiest month being August 2025 at 17 sales.

Monthly median closed prices ranged from $698 to $950 per square foot over that span.

Buildings with the most closings in December 2025

• Commodore Club South — 2 closings at a median $1,140,000 ($905/sq ft)
• Ocean Club Ocean Tower Two — 2 closings at a median $4,737,500 ($1,703/sq ft)

Where to look next

Browse every condo for sale in Key Biscayne, set up a price-drop alert, or compare buildings side by side. All figures are Own Miami calculations from MIAMI REALTORS® MLS data.