MIAMI PRIMECondos

Key Biscayne Luxury Homes for Sale

149 listings

Live MLS inventory in Key Biscayne, updated continuously.

425 Harbor Dr, Key Biscayne, FL 33149
$7,450,000
7 bd · 9 ba · 4,565 sqft
425 Harbor Dr, Key Biscayne, FL 33149
TROPICAL ISLE HOMES SUB 3
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
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
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
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
330 Gulf Rd, Key Biscayne, FL 33149
$6,490,000
5 bd · 6 ba · 3,202 sqft
330 Gulf Rd, Key Biscayne, FL 33149
HOLIDAY COLONY
571 S Mashta Dr, Key Biscayne, FL 33149
$6,350,000New
4 bd · 3 ba · 2,761 sqft
571 S Mashta Dr, Key Biscayne, FL 33149
MASHTA ISLAND A REPLAT OF
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
$5,990,000
5 bd · 5 ba · 4,759 sqft
501 Bay Lane, Key Biscayne, FL 33149
TROPICAL ISLE HOMES SUB 3
335 W Enid Dr, Key Biscayne, FL 33149
$5,785,000
5 bd · 6 ba · 3,495 sqft
335 W Enid Dr, Key Biscayne, FL 33149
BISCAYNE KEY ESTATES
755 Curtiswood Dr, Key Biscayne, FL 33149
$5,600,000
5 bd · 5 ba · 3,197 sqft
755 Curtiswood Dr, Key Biscayne, FL 33149
BISCAYNE KEY ESTATES
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
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
797 Glenridge Rd, Key Biscayne, FL 33149
$5,100,000
5 bd · 5 ba · 3,535 sqft
797 Glenridge Rd, Key Biscayne, FL 33149
BISCAYNE KEY ESTATES
24 Grand Bay Estates Circle, Key Biscayne, FL 33149
$4,899,000
5 bd · 5.5 ba · 4,220 sqft
24 Grand Bay Estates Circle, Key Biscayne, FL 33149
360 Ocean Dr # 304S, Key Biscayne, FL 33149
$4,800,000
2 bd · 4 ba · 1,823 sqft
360 Ocean Dr # 304S, Key Biscayne, FL 33149
OCEANA
475 Woodcrest Rd, Key Biscayne, FL 33149
$4,500,000New
4 bd · 3 ba · 2,689 sqft
475 Woodcrest Rd, Key Biscayne, FL 33149
TROPICAL ISLE HOMES SUB 1
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
Listing
$3,975,000New
5 bd · 5 ba · 3,186 sqft
Ocean Club
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
200 Ocean Lane Dr # 501, Key Biscayne, FL 33149
$3,750,000
4 bd · 4 ba · 1,880 sqft
200 Ocean Lane Dr # 501, Key Biscayne, FL 33149
ISLAND HOUSE
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

Luxury Homes for Sale in Key Biscayne: How This Market Works

Cross the Rickenbacker and the market changes character entirely: Key Biscayne caps its condo density by ordinance, no new building has delivered since 2014, and the village between Crandon and Bill Baggs parks runs on bikes, the K-8 school and the beach. Inventory this constrained rewards patient buyers — units in the established oceanfront buildings rarely linger.

At the top of the Key Biscayne market, the public listings tell only part of the story — a real share of significant properties change hands through quiet introductions before a sign ever appears. Because ordinance-capped condos on a parkland island keeps this address on the radar of buyers from every hemisphere, competing well requires a broker who hears about availability early; we work both the listed inventory on this page and the whisper market behind it.

Key Biscayne Market Snapshot

226
Homes sold, last 12 months
$1.6M
Median sale price
60 days
Median time on market

Frequently Asked Questions

How do I reach Key Biscayne properties that never come to market?

Through relationships — with listing brokers, building managements and owners themselves. Give us hard criteria and a real budget and we make direct inquiries on your behalf. At this level, a discreet and credible approach opens doors that no portal search ever will.

What should a foreign buyer prepare before purchasing in Key Biscayne?

Proof of funds a US closing agent can verify, a decision on holding structure — many international buyers take title through an entity for privacy and estate planning — and awareness that FIRPTA withholding applies when they eventually sell, not when they buy. We coordinate with cross-border tax counsel as a matter of routine.

Can I see a Key Biscayne property before committing to anything?

Of course. Use the inquiry form on any listing or call +1 786-370-8570 and we will set up a private showing around your calendar. Buyers who live elsewhere can request a recorded video walkthrough of any residence. Looking carries no commitment — deciding comes later, on your terms.

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