Key Biscayne condo market report — Aug 2026

August 2026 in Key Biscayne

18 condos came to market in Key Biscayne during August 2026.

Closed sales

17 condo sales closed in August 2026 at a median price of $1,500,000 ($921 per square foot), after a median 33 days on market.

That compares with 22 closings in July 2026, when the median closed price per square foot was $769.

Year over year, closed prices per square foot are up 18.7% from $776 in August 2025.

The trailing year

Over the 12 months ending August 2026, Key Biscayne recorded 183 condo closings — an average of 15 a month — with the busiest month being June 2026 at 22 sales.

Monthly median closed prices ranged from $769 to $1,017 per square foot over that span.

Buildings with the most closings in August 2026

• Towers of Key Biscayne — 2 closings at a median $2,090,000 ($1,173/sq ft)
• Mar Azul — 2 closings at a median $1,750,000 ($879/sq ft)
• Key Colony Tidemark — 2 closings at a median $1,250,000 ($816/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.