139 Days on Market
House for Sale
$7,490,000
5 bd · 7 ba · 3,768 sqft
571 Glenridge Rd, Key Biscayne, FL 33149
TROPICAL ISLE HOMES SUB
Bedrooms
Bathrooms
Key Biscayne Luxury Homes for Sale
109 listings
97 Days on Market
House for Sale
$7,450,000
7 bd · 9 ba · 4,565 sqft
425 Harbor Dr, Key Biscayne, FL 33149
TROPICAL ISLE HOMES SUB 3
117 Days on Market
House for Sale
$7,390,000
6 bd · 7 ba · 4,043 sqft
741 Harbor Dr, Key Biscayne, FL 33149
BISCAYNE KEY ESTATES
180 Days on Market
House for Sale
$6,950,000
5 bd · 6 ba · 5,421 sqft
685 Harbor Ln, Key Biscayne, FL 33149
BISCAYNE KEY ESTATES
293 Days on Market
House for Sale
$6,900,000
6 bd · 7 ba · 3,550 sqft
110 Hampton Ln, Key Biscayne, FL 33149
TROPICAL ISLE HOMES SUB 4
162 Days on Market
Condo for Sale
$6,900,000
2 bd · 4 ba · 3,950 sqft
430 Grand Bay Dr # 801, Key Biscayne, FL 33149
Grand Bay
Newly Listed
House for Sale
$6,350,000
4 bd · 3 ba · 2,761 sqft
571 S Mashta Dr, Key Biscayne, FL 33149
MASHTA ISLAND A REPLAT OF
16 Days on Market
House for Sale
$5,990,000
5 bd · 5 ba · 4,759 sqft
501 Bay Lane, Key Biscayne, FL 33149
TROPICAL ISLE HOMES SUB 3
130 Days on Market
Condo for Sale
$5,950,000
4 bd · 5 ba · 4,200 sqft
785 Crandon Blvd # 205/305, Key Biscayne, FL 33149
Ocean Club
9 Days on Market
House for Sale
$5,785,000
5 bd · 6 ba · 3,495 sqft
335 W Enid Dr, Key Biscayne, FL 33149
BISCAYNE KEY ESTATES
10 Days on Market
House for Sale
$5,600,000
5 bd · 5 ba · 3,197 sqft
755 Curtiswood Dr, Key Biscayne, FL 33149
BISCAYNE KEY ESTATES
Newly Listed
Condo for Sale
$5,490,000
4 bd · 6 ba · 3,581 sqft
799 Crandon Blvd # 202, Key Biscayne, FL 33149
THE OCEAN CLUB
605 Days on Market
Condo for Sale
$5,450,000
4 bd · 5 ba · 4,200 sqft
785 Crandon Blvd # 705/805, Key Biscayne, FL 33149
The Ocean Club
172 Days on Market
House for Sale
$5,378,000
4 bd · 4 ba · 3,549 sqft
690 Warren Ln, Key Biscayne, FL 33149
BISCAYNE KEY ESTATES
90 Days on Market
House for Sale
$5,199,000
6 bd · 5 ba · 3,356 sqft
650 Curtiswood Dr, Key Biscayne, FL 33149
BISCAYNE KEY ESTATES
105 Days on Market
House for Sale
$5,100,000
5 bd · 5 ba · 3,535 sqft
797 Glenridge Rd, Key Biscayne, FL 33149
BISCAYNE KEY ESTATES
213 Days on Market
House for Sale
$4,899,000
5 bd · 5.5 ba · 4,220 sqft
24 Grand Bay Estates Circle, Key Biscayne, FL 33149
Newly Listed
House for Sale
$4,500,000
4 bd · 3 ba · 2,689 sqft
475 Woodcrest Rd, Key Biscayne, FL 33149
TROPICAL ISLE HOMES SUB 1
160 Days on Market
Condo for Sale
$4,500,000
4 bd · 4 ba · 2,825 sqft
199 Ocean Lane Dr # 401, Key Biscayne, FL 33149
COMMODORE CLUB SOUTH
Newly Listed
Condo for Sale
$3,975,000
3 bd · 5 ba · 3,093 sqft
781 Crandon Blvd # 401, Key Biscayne, FL 33149
OCEAN CLUB
26 Days on Market
Condo for Sale
$3,950,000
4 bd · 5 ba · 3,250 sqft
445 Grand Bay Dr # 104, Key Biscayne, FL 33149
GRAND BAY RESIDENCES COND
Newly Listed
Condo for Sale
$3,900,000
4 bd · 4 ba · 2,930 sqft
430 Grand Bay Dr # 606, Key Biscayne, FL 33149
GRAND BAY TOWER
401 Days on Market
House for Sale
$3,800,000
4 bd · 4 ba · 3,403 sqft
691 Ridgewood Rd, Key Biscayne, FL 33149
BISCAYNE KEY ESTATES
Newly Listed
Condo for Sale
$3,799,000
2 bd · 4 ba · 1,727 sqft
350 Ocean Dr # 405N, Key Biscayne, FL 33149
Oceana Key Biscayne
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.
Live MLS inventory in Key Biscayne, updated continuously. Florida Lux Real Estate currently tracks 109 active listings here. MLS inventory updated October 19, 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
226
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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Homes Nearby Key Biscayne: Neighborhoods
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Homes Nearby Key Biscayne: ZIP Codes
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