FLORIDA LUXReal Estate

Key Biscayne Luxury Homes for Sale

143 listings

Live MLS inventory in Key Biscayne, updated continuously.

685 Harbor Ln, Key Biscayne, FL 33149
$6,950,000
5 bd · 6 ba · 5,421 sqft
685 Harbor Ln, Key Biscayne, FL 33149
BISCAYNE KEY ESTATES
110 Hampton Ln, Key Biscayne, FL 33149
$6,900,000
6 bd · 7 ba · 3,550 sqft
110 Hampton Ln, Key Biscayne, FL 33149
TROPICAL ISLE HOMES SUB 4
430 Grand Bay Dr # 801, Key Biscayne, FL 33149
$6,900,000
2 bd · 4 ba · 3,950 sqft
430 Grand Bay Dr # 801, Key Biscayne, FL 33149
Grand Bay
785 Crandon Blvd # 205/305, Key Biscayne, FL 33149
$6,900,000New
4 bd · 5 ba · 4,200 sqft
785 Crandon Blvd # 205/305, Key Biscayne, FL 33149
Ocean Club
430 Grand Bay Drive # 1103, Key Biscayne, FL 33149
$6,850,000
3 bd · 4 ba · 3,630 sqft
430 Grand Bay Drive # 1103, Key Biscayne, FL 33149
GRAND BAY TOWER
760 Woodcrest Rd, Key Biscayne, FL 33149
$6,395,000
5 bd · 6 ba · 4,003 sqft
760 Woodcrest Rd, Key Biscayne, FL 33149
BISCAYNE KEY ESTATES
561 Warren Ln, Key Biscayne, FL 33149
$5,995,000
5 bd · 6 ba · 3,762 sqft
561 Warren Ln, Key Biscayne, FL 33149
TROPICAL ISLE HOMES SUB
501 Bay Lane, Key Biscayne, FL 33149
$5,990,000New
5 bd · 5 ba · 4,759 sqft
501 Bay Lane, Key Biscayne, FL 33149
TROPICAL ISLE HOMES SUB 3
690 Warren Ln, Key Biscayne, FL 33149
$5,478,000
4 bd · 4 ba · 3,549 sqft
690 Warren Ln, Key Biscayne, FL 33149
BISCAYNE KEY ESTATES
785 Crandon Blvd # 705/805, Key Biscayne, FL 33149
$5,450,000
4 bd · 5 ba · 4,200 sqft
785 Crandon Blvd # 705/805, Key Biscayne, FL 33149
The Ocean Club
797 Glenridge Rd, Key Biscayne, FL 33149
$5,200,000
5 bd · 5 ba · 3,535 sqft
797 Glenridge Rd, Key Biscayne, FL 33149
BISCAYNE KEY ESTATES
650 Curtiswood Dr, Key Biscayne, FL 33149
$5,199,000
6 bd · 5 ba · 3,356 sqft
650 Curtiswood Dr, Key Biscayne, FL 33149
BISCAYNE KEY ESTATES
791 Crandon Blvd # PH04, Key Biscayne, FL 33149
$5,100,000
3 bd · 3 ba · 2,510 sqft
791 Crandon Blvd # PH04, Key Biscayne, FL 33149
OCEAN TOWER TWO CONDO
24 Grand Bay Estates Circle, Key Biscayne, FL 33149
$4,950,000
5 bd · 5.5 ba · 4,220 sqft
24 Grand Bay Estates Circle, Key Biscayne, FL 33149
199 Ocean Lane Dr # 401, Key Biscayne, FL 33149
$4,500,000
4 bd · 4 ba · 2,825 sqft
199 Ocean Lane Dr # 401, Key Biscayne, FL 33149
COMMODORE CLUB SOUTH
201 Crandon Blvd # 175, Key Biscayne, FL 33149
$4,450,000New
3 bd · 3 ba · 2,604 sqft
201 Crandon Blvd # 175, Key Biscayne, FL 33149
KEY COLONY NO 1
Listing
$3,975,000New
5 bd · 5 ba · 3,186 sqft
Ocean Club
200 Ocean Lane Dr # 501, Key Biscayne, FL 33149
$3,850,000
4 bd · 4 ba · 1,880 sqft
200 Ocean Lane Dr # 501, Key Biscayne, FL 33149
ISLAND HOUSE
691 Ridgewood Rd, Key Biscayne, FL 33149
$3,800,000
4 bd · 4 ba · 3,403 sqft
691 Ridgewood Rd, Key Biscayne, FL 33149
BISCAYNE KEY ESTATES
350 Ocean Dr # 405N, Key Biscayne, FL 33149
$3,799,000New
2 bd · 4 ba · 1,727 sqft
350 Ocean Dr # 405N, Key Biscayne, FL 33149
Oceana Key Biscayne
600 Grapetree Dr # 11BN, Key Biscayne, FL 33149
$3,750,000
3 bd · 3 ba · 3,711 sqft
600 Grapetree Dr # 11BN, Key Biscayne, FL 33149
Mar Azul
350 Ocean Dr # 205N, Key Biscayne, FL 33149
$3,750,000
2 bd · 3 ba · 1,830 sqft
350 Ocean Dr # 205N, Key Biscayne, FL 33149
Oceana Key Biscayne
799 Crandon Blvd # 605, Key Biscayne, FL 33149
$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
$3,730,000
5 bd · 4 ba · 2,700 sqft
524 Warren Ln, Key Biscayne, FL 33149
TROPICAL ISLE HOMES SUB 1

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

227
Homes sold, last 12 months
$1.6M
Median sale price
60 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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