MIAMI PRIMECondos

Homes for Sale Across Key Biscayne

138 listings

Current homes for sale across Key Biscayne, drawn straight from the MLS feed and ordered largest residence first — open any card for photos, unit details and its spot on the map.

485 W Matheson Dr, Key Biscayne, FL 33149
$237,000,000
5 bd · 9 ba · 11,528 sqft
485 W Matheson Dr, Key Biscayne, FL 33149
TROPICAL ISLE HOMES RESUB
241 Cape Florida Dr, Key Biscayne, FL 33149
$27,900,000
8 bd · 9 ba · 9,159 sqft
241 Cape Florida Dr, Key Biscayne, FL 33149
CAPE FLORIDA SUB SEC 3
445 Grand Bay Drive # PH-1A, Key Biscayne, FL 33149
$18,900,000
5 bd · 6 ba · 8,435 sqft
445 Grand Bay Drive # PH-1A, Key Biscayne, FL 33149
GRAND BAY
100 Cape Florida Dr, Key Biscayne, FL 33149
$19,800,000
4 bd · 9 ba · 8,240 sqft
100 Cape Florida Dr, Key Biscayne, FL 33149
CAPE FLORIDA SUB SEC 3
445 Grand Bay Drive # PH-2A, Key Biscayne, FL 33149
$12,990,000New
4 bd · 6 ba · 7,400 sqft
445 Grand Bay Drive # PH-2A, Key Biscayne, FL 33149
GRAND BAY
131 Cape Florida Dr, Key Biscayne, FL 33149
$16,500,000
6 bd · 7 ba · 7,103 sqft
131 Cape Florida Dr, Key Biscayne, FL 33149
CAPE FLORIDA SUB SEC 3
161 Cape Florida Drive, Key Biscayne, FL 33149
$14,490,000
4 bd · 6 ba · 6,661 sqft
161 Cape Florida Drive, Key Biscayne, FL 33149
CAPE FLORIDA SUB SEC 3
550 Harbor Dr, Key Biscayne, FL 33149
$19,450,000New
7 bd · 8 ba · 6,497 sqft
550 Harbor Dr, Key Biscayne, FL 33149
HURRICANE COVE
420 Island Dr, Key Biscayne, FL 33149
$12,485,000
6 bd · 8 ba · 6,405 sqft
420 Island Dr, Key Biscayne, FL 33149
CAPE FLORIDA SUB SEC 1
120 Knollwood Dr, Key Biscayne, FL 33149
$19,450,000
6 bd · 7 ba · 6,208 sqft
120 Knollwood Dr, Key Biscayne, FL 33149
CAPE FLA SUB SEC 2
31 Island Dr, Key Biscayne, FL 33149
$9,800,000
6 bd · 7 ba · 5,826 sqft
31 Island Dr, Key Biscayne, FL 33149
CAPE FLORIDA SUB SEC 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
110 Reef Ln # 10, Key Biscayne, FL 33149
$11,750,000New
7 bd · 6 ba · 5,074 sqft
110 Reef Ln # 10, Key Biscayne, FL 33149
OCEANA KEY BISCAYNE
350 Ocean Dr # LPH2N, Key Biscayne, FL 33149
$17,900,000
5 bd · 6 ba · 4,764 sqft
350 Ocean Dr # LPH2N, Key Biscayne, FL 33149
OCEANA KEY BISCAYNE
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
799 Crandon Blvd # PH-8, Key Biscayne, FL 33149
$18,500,000
5 bd · 6 ba · 4,566 sqft
799 Crandon Blvd # PH-8, Key Biscayne, FL 33149
OCEAN CLUB
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
360 Harbor Ln, Key Biscayne, FL 33149
$9,950,000New
6 bd · 6 ba · 4,341 sqft
360 Harbor Ln, 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
785 Crandon Blvd # 205/305, Key Biscayne, FL 33149
$5,950,000
4 bd · 5 ba · 4,200 sqft
785 Crandon Blvd # 205/305, Key Biscayne, FL 33149
Ocean Club
238 Buttonwood Dr, Key Biscayne, FL 33149
$8,500,000
6 bd · 7 ba · 4,190 sqft
238 Buttonwood Dr, Key Biscayne, FL 33149
TROPICAL ISLE HOMES SUB 4
545 SABAL PALM, Key Biscayne, FL 33149
$7,950,000
5 bd · 5 ba · 4,166 sqft
545 SABAL PALM, Key Biscayne, FL 33149
TROPICAL ISLE HOMES SUB 2N
741 Harbor Dr, Key Biscayne, FL 33149
$7,390,000
6 bd · 7 ba · 4,043 sqft
741 Harbor Dr, Key Biscayne, FL 33149
BISCAYNE KEY ESTATES
315 Cypress Dr, Key Biscayne, FL 33149
$7,599,000
6 bd · 8 ba · 3,980 sqft
315 Cypress Dr, Key Biscayne, FL 33149
TROPICAL ISLE HOMES SUB 4

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.

Every form of ownership sits side by side on this page — Key Biscayne houses, condominium residences and townhouses in one view, priced against each other rather than in separate silos. Because Key Biscayne is defined by ordinance-capped condos on a parkland island, plenty of buyers arrive fixed on one property type and end up closing on another; letting the whole inventory compete for your budget is usually how the strongest purchase surfaces.

Key Biscayne Market Snapshot

227
Homes sold, last 12 months
$1.6M
Median sale price
63 days
Median time on market

Frequently Asked Questions

How do I choose between a condo, townhouse or house in Key Biscayne?

Start with how you want to live, then let carrying costs referee. A condo folds insurance, maintenance and amenities into one monthly fee; a house trades that fee for direct responsibility; a townhouse lands between the two. We build a total-monthly-cost comparison across all three for any budget so the decision rests on real numbers, not sticker price.

Does Florida give Key Biscayne homebuyers any tax advantage?

For a primary residence, yes — no state income tax, a homestead exemption that trims assessed value, and a cap on how quickly that assessment can climb each year. Second homes and investment purchases sit outside those protections, which changes the arithmetic. We map the ownership-cost picture to your specific situation before you write an offer.

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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