Key Biscayne Luxury Homes for Sale

110 listings
881 Ocean Dr # 10A, Key Biscayne, FL 33149
20 Days on Market

Condo for Sale

$3,750,000

3 bd · 3 ba · 3,120 sqft

881 Ocean Dr # 10A, Key Biscayne, FL 33149

CASA DEL MAR CONDOMINIUM

799 Crandon Blvd # 605, Key Biscayne, FL 33149
206 Days on Market

Condo for Sale

$3,750,000

3 bd · 4 ba · 2,510 sqft

799 Crandon Blvd # 605, Key Biscayne, FL 33149

The Ocean Club

524 Warren Ln, Key Biscayne, FL 33149
186 Days on Market

House for Sale

$3,730,000

5 bd · 4 ba · 2,700 sqft

524 Warren Ln, Key Biscayne, FL 33149

TROPICAL ISLE HOMES SUB 1

360 Ocean Dr # 205S, Key Biscayne, FL 33149
437 Days on Market

Condo for Sale

$3,650,000

2 bd · 4 ba · 1,830 sqft

360 Ocean Dr # 205S, Key Biscayne, FL 33149

OCEANA KEY BISCAYNE CONDO

881 Ocean Dr # 20A, Key Biscayne, FL 33149
175 Days on Market

Condo for Sale

$3,600,000

3 bd · 3 ba · 3,120 sqft

881 Ocean Dr # 20A, Key Biscayne, FL 33149

CASA DEL MAR

881 Ocean Dr # 7H, Key Biscayne, FL 33149
28 Days on Market

Condo for Sale

$3,595,000

3 bd · 3 ba · 3,120 sqft

881 Ocean Dr # 7H, Key Biscayne, FL 33149

Casa del Mar

255 Ridgewood Rd, Key Biscayne, FL 33149
158 Days on Market

House for Sale

$3,550,000

4 bd · 3 ba · 2,177 sqft

255 Ridgewood Rd, Key Biscayne, FL 33149

TROPICAL ISLE HOMES SUB 4

791 Crandon Blvd # 404, Key Biscayne, FL 33149
34 Days on Market

Condo for Sale

$3,549,000

3 bd · 3 ba · 2,510 sqft

791 Crandon Blvd # 404, Key Biscayne, FL 33149

THE OCEAN CLUB

350 Ocean Dr # 205N, Key Biscayne, FL 33149
272 Days on Market

Condo for Sale

$3,500,000

2 bd · 3 ba · 1,830 sqft

350 Ocean Dr # 205N, Key Biscayne, FL 33149

Oceana Key Biscayne

881 Ocean Dr # 13H, Key Biscayne, FL 33149
Newly Listed

Condo for Sale

$3,500,000

3 bd · 3 ba · 3,120 sqft

881 Ocean Dr # 13H, Key Biscayne, FL 33149

Casa del Mar Condo

200 Ocean Lane Dr # 501, Key Biscayne, FL 33149
100 Days on Market

Home for Sale

$3,499,999

4 bd · 4 ba · 1,880 sqft

200 Ocean Lane Dr # 501, Key Biscayne, FL 33149

ISLAND HOUSE

791 Crandon Blvd # 302, Key Biscayne, FL 33149
49 Days on Market

Condo for Sale

$3,340,000

3 bd · 3 ba · 2,510 sqft

791 Crandon Blvd # 302, Key Biscayne, FL 33149

OCEAN TOWER TWO CONDO

119 Harbor Dr, Key Biscayne, FL 33149
13 Days on Market

House for Sale

$3,300,000

3 bd · 2 ba · 1,554 sqft

119 Harbor Dr, Key Biscayne, FL 33149

TROPICAL ISLE HOMES SUB 4

548 Fernwood Rd # 548, Key Biscayne, FL 33149
Newly Listed

Townhome for Sale

$3,300,000

4 bd · 3 ba · 2,448 sqft

548 Fernwood Rd # 548, Key Biscayne, FL 33149

N/A

1111 Crandon Blvd # A501, Key Biscayne, FL 33149
Newly Listed

Condo for Sale

$2,950,000

3 bd · 2 ba · 1,782 sqft

1111 Crandon Blvd # A501, Key Biscayne, FL 33149

The Towers

201 Crandon Blvd # 163, Key Biscayne, FL 33149
158 Days on Market

Townhome for Sale

$2,865,000

3 bd · 4 ba · 2,604 sqft

201 Crandon Blvd # 163, Key Biscayne, FL 33149

Key Colony

765 Crandon Blvd # 310, Key Biscayne, FL 33149
9 Days on Market

Condo for Sale

$2,850,000

3 bd · 3 ba · 2,602 sqft

765 Crandon Blvd # 310, Key Biscayne, FL 33149

THE OCEAN CLUB

600 Grapetree Dr # 11DN, Key Biscayne, FL 33149
56 Days on Market

Condo for Sale

$2,850,000

3 bd · 2 ba · 1,889 sqft

600 Grapetree Dr # 11DN, Key Biscayne, FL 33149

MAR-AZUL CONDO

201 Crandon Blvd # 643, Key Biscayne, FL 33149
Newly Listed

Condo for Sale

$2,800,000

2 bd · 2 ba · 1,950 sqft

201 Crandon Blvd # 643, Key Biscayne, FL 33149

KEY COLONY

596 Fernwood Rd # B, Key Biscayne, FL 33149
51 Days on Market

Townhome for Sale

$2,725,000

3 bd · 4 ba · 1,650 sqft

596 Fernwood Rd # B, Key Biscayne, FL 33149

596 Fernwood

151 Crandon Blvd # 1130, Key Biscayne, FL 33149
47 Days on Market

Condo for Sale

$2,650,000

3 bd · 3 ba · 2,001 sqft

151 Crandon Blvd # 1130, Key Biscayne, FL 33149

The Emerald Bay

209 E Enid Dr # 36, Key Biscayne, FL 33149
157 Days on Market

Townhome for Sale

$2,600,000

4 bd · 4 ba · 2,442 sqft

209 E Enid Dr # 36, Key Biscayne, FL 33149

GDNS OF KEY BISCAYNE

881 Ocean Dr # 20E, Key Biscayne, FL 33149
Newly Listed

Condo for Sale

$2,470,000

2 bd · 2 ba · 1,875 sqft

881 Ocean Dr # 20E, Key Biscayne, FL 33149

Casa del Mar Condo

881 Ocean Dr # 23C, Key Biscayne, FL 33149
Newly Listed

Condo for Sale

$2,400,000

2 bd · 2 ba · 1,875 sqft

881 Ocean Dr # 23C, Key Biscayne, FL 33149

Casa del Mar Condo.

Talk to a local agent

Looking at Key Biscayne Luxury Homes?

Tell us what you're after — we'll send matching homes, off-market options and recent sales, and set up private showings.

Matthew Gromadzki, Real Estate Broker
Matthew Gromadzki
Real Estate Broker
(786) 370-8570
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Live MLS inventory in Key Biscayne, updated continuously. Florida Lux Real Estate currently tracks 110 active listings here. MLS inventory updated October 26, 2026.

Luxury Homes for Sale in Key Biscayne: What to Know Before You Search

Beyond the Rickenbacker tollgate, tucked between two state parks, Key Biscayne functions as Miami's island village — a K-8 school and streets where children pedal to the beach. Ordinance limits the condo count and no new building has opened since 2014, which means the scarcity driving prices here is entirely real.

The top tier in Key Biscayne runs on its own logic — a good share of the finest properties change hands quietly, terms often matter as much as price, and the buyer pool is international. Known for a family island village between two state parks, fifteen minutes from Brickell, Key Biscayne draws capital from well beyond Florida, and representation counts: we watch off-market availability alongside everything published on this page.

Key Biscayne Market Snapshot

223
Homes sold, last 12 months
$1.6M
Median sale price
61 days
Median time on market

Frequently Asked Questions

Do luxury homes in Key Biscayne ever sell off-market?

Regularly. A meaningful slice of the high end in Key Biscayne trades privately — owners who value discretion, buildings where residents get first look. Give us your criteria and we'll canvass past what's public; at this level that's simply how it's done.

How do international buyers purchase in Key Biscayne?

Foreign nationals buy Florida real estate freely, in cash or through foreign-national loan programs, often holding title in an LLC for privacy and planning. FIRPTA touches the eventual sale, not the purchase. We coordinate with tax counsel so the ownership structure is right from the start.

How do I arrange a showing in Key Biscayne?

Each listing on this page carries an inquiry form that goes straight to our brokerage — or reach us at +1 786-370-8570. We schedule private tours to fit your calendar and run live video walkthroughs for buyers relocating from out of state, with no obligation attached.

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