Updated · Julian Acosta, Compass

Key Biscayne · micromarket · 12 months · data as of October 19, 2026

Key Biscayne Homes Off the Water Market Report

Closed sales from October 1, 2025 to September 30, 2026 · MIAMI REALTORS® MLS data as of October 19, 2026 · reviewed by Julian Acosta · next report January 2027

Median sale price · single-family · 12 months

$4,160,000▲ 25.7% vs the twelve months before

The median sale price of a single-family home in Key Biscayne off the water (the typical price: half sold for more and half for less), was $4,160,000 in the twelve months to September 30, 2026, on 34 closed sales, 25.7% more than in the twelve months before, according to MIAMI REALTORS® MLS records analyzed by Julian Acosta with data as of October 19, 2026.

Where Homes Off the Water Are

Homes Off the Water are the Village's other houses, 1,075 of them, on lots that do not touch the water. Most stand on the grid of two plats, Tropical Isle Homes, 576 houses, and Biscayne Key Estates, 316, where the most common lot is 7,500 SF. The rest are Holiday Colony's 53, Grand Bay's 49 and 78 inland lots of Mashta Island and Cape Florida. Village Green Park is beside them. The median house has about 3,150 SF, built in 1983, on a lot of about 7,700 SF; 456 were built before 1960 and 121 since 2015 (Miami-Dade County Property Appraiser, 2026 record, read October 26, 2026).

Key takeaways

  • Key Biscayne houses off the water sold at a median of $4,160,000 in the 12 months to September 2026, on 34 sales, 25.7% more than in the 12 months before. See the full reading
  • A Key Biscayne house off the water took a median of 88.5 days to sell in the 12 months to September 2026, about 13 weeks. See the full reading

Where the market in Key Biscayne off the water is heading

  • Key Biscayne sold 34 houses off the water in the 12 months to September 2026, against 35 a year earlier, and their median rose 25.7%.

These are the figures to date, not a forecast.

If you're selling in Key Biscayne off the water

  • How long it takes: a Key Biscayne house off the water took a median of 88.5 days to sell in the 12 months to September 2026, about 13 weeks.
  • How close to the asking price: the typical house closed at 94.7% of its last list price in the 12 months to September 2026; 3 of the 34 closed at or above it.

If you're buying in Key Biscayne off the water

  • Price per square foot: a Key Biscayne house off the water sold at a median of $1,406 per square foot in the 12 months to September 2026.
  • Only houses: no condominium or townhouse is filed in this area; Key Biscayne's condominiums are in Key Colony and Ocean Lane, Grand Bay and Ocean Drive, and Ocean Club and South Crandon.

Homes Off the Water in figures

Data as of October 19, 2026

Homes Off the Water Single-Family Home Prices

34 sales · 12 months to September 2026

Median sale price · single-family

$4,160,000

A year earlier: $3,310,000 · ▲ 25.7%

What this means

If you own a house in Homes Off the Water, this is your yardstick: half of the 34 houses sold there in the 12 months to September 30, 2026 closed above $4,160,000 and half below, against $4,537,500 across Key Biscayne (MIAMI REALTORS® MLS).

12 months · 34 sales · MIAMI REALTORS® MLS

Closed sales

34

A year earlier: 35

What this means

34 houses sold in Homes Off the Water in the 12 months to September 30, 2026, about 3 a month, against 35 the 12 months before (MIAMI REALTORS® MLS).

12 months · 34 sales · MIAMI REALTORS® MLS

Median price per sq ft · single-family

$1,406

A year earlier: $1,385 · ▲ 1.5%

What this means

To compare homes of different sizes, look at the price per square foot: a house in Homes Off the Water sold for a median $1,406 in the 12 months to September 30, 2026, so 2,000 Sq.Ft at that rate comes to about $2,810,000 (MIAMI REALTORS® MLS).

12 months · 34 sales · MIAMI REALTORS® MLS

Median days on market · single-family

88.5 days

A year earlier: 97 days

What this means

If you sell a house in Homes Off the Water, plan for about 13 weeks: the typical one took 88.5 days to sell in the 12 months to September 30, 2026 (MIAMI REALTORS® MLS).

12 months · 34 sales · MIAMI REALTORS® MLS

Condos · none sold

Townhouses · none sold

On the water and off it in Homes Off the Water

12 months

Houses on the water

1 sale, too few for a median

1 sale

The listing's MLS mark

Houses off the water

$4,120,000

33 sales

The listing's MLS mark

Key Biscayne Homes Off the Water by Neighborhood

Homes Off the Water by the County's plats, the way the report files its sales, each neighborhood with its house sales in the twelve months to September 30, 2026; a neighborhood has its row from five sales.

Houses · each number is a neighborhood of the table.Homes Off the Water$4,160,000
Houses · each number is a neighborhood of the table. Outlines: Miami-Dade County GIS, read on October 26, 2026.
Houses, 12 months to September 30, 2026 · MIAMI REALTORS® MLS, data as of October 19, 2026 · a median from five sales · neighborhoods by Miami-Dade County plat.
NeighborhoodSalesMedian priceDays (median)
Tropical Isle Homes15$4,400,00069
Biscayne Key Estates13$3,475,000196

Holiday Colony closed 2 houses in these twelve months: too few for a median.

Mashta Island, off the water closed 2 houses in these twelve months: too few for a median.

Cape Florida, off the water closed one house in these twelve months: too few for a median.

Grand Bay's houses closed one house in these twelve months: too few for a median.

COMPARABLE MARKET ANALYSIS · FREE · NO ACCOUNT

What is my home worth?

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An estimate by Julian Acosta from MLS closed sales and the Miami-Dade County record; not an appraisal. How it works →

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Homes Off the Water versus the other areas of Key Biscayne

12 months to September 30, 2026 · MIAMI REALTORS® MLS, data as of October 19, 2026.
AreaHouses: median priceHouses: salesHouses: days (median)Condos: median price
Homes Off the Water$4,160,0003488.5—
Waterfront Homes →—4——
Key Colony and Ocean Lane →—2—$1,140,000
Grand Bay and Ocean Drive →—0—$754,500
Ocean Club and South Crandon →—0—$2,100,000
Key Biscayne, all its areas →$4,537,5004094.5$1,400,000

How each figure is measured →