Own Key Biscayne

Key Biscayne

Condos for sale, prices, sold data and building guides

An island town, one causeway from Brickell.

An island village at the end of the Rickenbacker Causeway, where low- and mid-rise condos sit between two parks and the Atlantic — a quieter, greener market than anything on the mainland.

For sale
91
22 pending
Median asking
$1.5M
Median $/sqft
$1,031/sqft
$894/sqft sold, 12 mo
Days on market
37
182 sold in 12 months

89 of 91 are priced $450K+ and browsable on own.miami; the stats above cover every condo for sale.

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The towers

Buildings in Key Biscayne

See building rankings
All 54 buildings in Key Biscayne
Pricing

What condos actually sell for

3-month rolling median of closed sales per square foot; bars are closings per month.

$705$846$987Nov 2024Mar 2025Jul 2025Nov 2025Mar 2026Jul 2026
On the map

Where the towers are

Each pin shows active listings in that building.

Market Index

Is Key Biscayne a buyer's or a seller's market?

Five standard market signals in one reading: 0 is a strong buyer's market, 100 a strong seller's.

For buyers

Fair-value territory. Well-priced units move; overpriced ones sit — use the sold comps to judge which is which.

For sellers

A fairly priced unit should sell in a normal timeframe; presentation and price decide it.

Miami overall: 25 · Buyer's market — 30 points more seller-friendly than Miami overall

What's behind the reading

  • Months of supply6.0 months
    Neutral91 listings · 182 sales in 12 months · weight 35%

    How long today's listings would take to sell at the past year's sales pace. In Miami condos, under 6 months favors sellers and over 9 favors buyers.

  • Sale-to-list price93.9%
    Favors buyers94 sales · weight 25%

    Median sale price as a share of the original asking price, sales in the last 6 months. Above 97% favors sellers; below 95% means buyers are negotiating.

  • Days on market51 days
    Favors sellers94 sales · weight 15%

    Median days from listing to sale for homes sold in the last 6 months. Faster sales favor sellers.

  • Listings with a price cut32%
    Neutral91 listings · weight 15%

    Share of homes for sale now asking less than their original price. More cuts mean sellers are chasing buyers.

  • Sales momentum+14% vs last year
    Favors sellers75 sales · weight 10% · sale-to-list +5.2 pts

    Closings in the last 90 days against the same 90 days a year earlier, plus the change in sale-to-list. Rising sales tilt the market toward sellers.

Resale condos from the MLS (pre-construction towers excluded), all prices. As of Oct 31, 2026 · How the index works

Based in part on information from the Southeast Florida Multiple Listing Service (SEFMLS) or from MIAMI Association of REALTORS® for the period July 19, 2025 through October 31, 2026.

Frequently asked

How much does a condo in Key Biscayne cost?+

There are 91 condos for sale in Key Biscayne across 54 tracked buildings. Asking prices start at $445,000; the median asking price is $1,495,000 ($1,031/sqft).

What do condos in Key Biscayne actually sell for?+

182 condos closed in Key Biscayne in the last 12 months at a median of $894/sqft, up 54.6% from a year earlier. Latest data month: 2026-10.

What are typical HOA fees in Key Biscayne?+

Across condos currently for sale in Key Biscayne, the median HOA fee is $1,707 per month.

Which are the best condo buildings in Key Biscayne?+

Own Miami tracks 54 condo buildings in Key Biscayne (24 on the water); see the rankings for how they score.

Just listed

Newest in Key Biscayne

All 91 for sale
Just reduced

Price drops in Key Biscayne

What's changing

Key Biscayne news

All news
The neighborhood

About Key Biscayne

Key Biscayne is a barrier island reached by one causeway from Brickell, and it reads like a village rather than a district: a single main road, a village green, and condominiums that rarely rise above fifteen floors. Crandon Park closes the island to the north and Bill Baggs Cape Florida State Park to the south, so the residential middle is fixed in size and nothing new can be built on the beach. The condo stock runs from the 1970s and 80s oceanfront buildings along Ocean Lane Drive to the Ocean Club and Grand Bay complexes of the late 1990s, with a handful of newer boutique buildings on the bay side of Crandon Boulevard.

Daily life is on the island. The Village Green, the K-8 school, the tennis center and the shops along Crandon Boulevard are a bike ride from every building, and the Crandon Park marina and golf course sit at the island's northern edge. Brickell and Downtown are fifteen minutes back across the causeway; the Rickenbacker itself is a weekend cycling and running route with open-water views on both sides.

For buyers the pattern is clear on every building page: no new inventory, a limited number of oceanfront units, and a steady premium for direct ocean views and renovated interiors in the older towers. Several 1970s and 80s buildings have been through Florida's milestone inspections and reserve studies, and the special-assessment history on each building page shows which associations have already done the work and which are still catching up.

Closed

Recent sales

Full market report
UnitSoldDate
201 Crandon Blvd #707
Tidemark at Key Colony
$2,100,000Sep 22, 2026
613 Ocean Dr #5D
Sands of Key Biscayne
$1,660,000Sep 30, 2026
455 Grand Bay Dr #717
The Ritz-Carlton Key Biscayne
$1,000,000Oct 1, 2026
199 Ocean Lane Drive #801
Commodore Club South
$2,775,000Oct 27, 2026
1121 Crandon Blvd #F403
Towers of Key Biscayne
$1,530,000Sep 14, 2026
151 Crandon Blvd #122
Key Colony Emerald Bay
$1,380,000Oct 15, 2026
151 Crandon Blvd #602
Key Colony Emerald Bay
$1,060,000Jul 7, 2026
455 Grand Bay Dr #718
The Ritz-Carlton Key Biscayne
$950,000Jul 24, 2026
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