Key Biscayne 2026 Market Report

Key Biscayne Average Home Prices in October 2026

Key Biscayne Average Condo Prices in October 2026

Key Biscayne Sales Market Snapshot

Based on 223 closed transactions recorded in the MLS between October 17, 2025 and October 5, 2026.

Breakdown by number of bedrooms

What the numbers say

2-bedroom units led activity with 88 of the 223 closed sales (39%), at a median sale price of $1,240,000. Half of the recorded sale prices fell between $1,072,500 and $2,950,000, and the full range was $395,000 to $23,500,000. Closings showed a median of 67 days on market and a median of $958.05 per square foot. There are 165 units for sale listed today, roughly 8.9 months of supply at the current pace of closings.

Source: Faccin Investments, closed transaction records from the MLS. Last updated October 16, 2026. These are descriptive statistics of recorded transactions — not an appraisal, a price opinion or a guarantee of rental performance.

Frequently Asked Questions

How much do properties sell for in Key Biscayne?

In the 12 months to October 5, 2026, 223 sales closed in Key Biscayne with a median sale price of $1,570,000. Half of the closings were between $1,072,500 and $2,950,000, and the range ran from $395,000 to $23,500,000.

How long does it take to sell a property in Key Biscayne?

The median time on market was 67 days for the 223 closings recorded between October 17, 2025 – October 5, 2026. Properties with realistic pricing typically move faster than the average: the median, not the mean, is used here because it is not distorted by outliers.

What is the price per square foot in Key Biscayne?

The median price per square foot was $958.05 over the last 12 months, based on 223 recorded closings. Price per square foot is the most reliable way to compare units of different sizes in the same market.

How do prices compare by number of bedrooms in Key Biscayne?

0-bedroom units: median $975,000 (4 closings); 1-bedroom units: median $530,000 (20 closings); 2-bedroom units: median $1,240,000 (88 closings); 3-bedroom units: median $2,500,000 (71 closings); 4-bedroom units: median $3,500,000 (19 closings); 5-bedroom units: median $4,700,000 (11 closings); 6-bedroom units: median $6,700,000 (7 closings); 7-bedroom units: median $10,850,000 (3 closings). Figures cover the last 12 months of closed MLS records for this market.

How many properties are available in Key Biscayne right now?

There are 165 properties listed in Key Biscayne today, with a median asking price of $2,490,000. At the current pace of sale closings, that inventory represents about 8.9 months of supply — a balanced-to-soft market that gives buyers room to negotiate.

How is this Key Biscayne market report calculated?

The figures are computed directly from closed transaction records in the MLS for Key Biscayne, covering the 12 months from October 17, 2025 – October 5, 2026 (223 closings). Median values are used instead of averages to avoid distortion by a few very high or very low transactions, and price per square foot is calculated only for units with a recorded living area. The report is descriptive: it summarises what was actually registered, and it is not an appraisal or a price opinion.