Key Biscayne Luxury Homes for Sale

110 active listings · Live MLS inventory in Key Biscayne, updated continuously.

$237,000,000

5 bd · 9 ba · 11,528 sqft

485 W Matheson Dr, Key Biscayne FL 33149

TROPICAL ISLE HOMES RESUB

$29,900,000New

8 bd · 9 ba · 9,159 sqft

241 Cape Florida Dr, Key Biscayne FL 33149

CAPE FLORIDA SUB SEC 3

$29,500,000

9 bd · 10 ba · 10,964 sqft

260 Cape Florida Dr, Key Biscayne FL 33149

CAPE FLORIDA SUB SEC 3

$26,000,000

4 bd · 6 ba · 9,600 sqft

430 Grand Bay Dr, Key Biscayne FL 33149

GRAND BAY TOWER

$25,900,000

4 bd · 4 ba · 2,566 sqft

200 Harbor Dr, Key Biscayne FL 33149

TROPICAL ISLE HOMES SUB 4

$19,950,000

6 bd · 7 ba · 6,208 sqft

120 Knollwood Dr, Key Biscayne FL 33149

CAPE FLA SUB SEC 2

$19,900,000New

5 bd · 4 ba · 3,085 sqft

520 S Mashta Dr, Key Biscayne FL 33149

MASHTA ISLAND A REPLAT OF

$19,800,000

4 bd · 9 ba · 8,240 sqft

100 Cape Florida Dr, Key Biscayne FL 33149

CAPE FLORIDA SUB SEC 3

$19,500,000

6 bd · 10 ba · 7,742 sqft

960 Mariner Dr, Key Biscayne FL 33149

CAPE FLA SUB SEC 2

$18,900,000

5 bd · 6 ba · 8,435 sqft

445 Grand Bay Drive # 1A, Key Biscayne FL 33149

GRAND BAY

$18,500,000

5 bd · 6 ba · 4,566 sqft

799 Crandon Blvd # 8, Key Biscayne FL 33149

OCEAN CLUB

$18,500,000

4 bd · 4.5 ba · 2,255 sqft

631 N Mashta Drive, Key Biscayne FL 33149

$17,900,000

5 bd · 6 ba · 4,764 sqft

350 Ocean Dr, Key Biscayne FL 33149

OCEANA KEY BISCAYNE

$16,800,000

4 bd · 4 ba · 3,620 sqft

640 S Mashta Dr, Key Biscayne FL 33149

MASHTA ISLAND

$14,990,000New

4 bd · 6 ba · 6,661 sqft

161 Cape Florida Drive, Key Biscayne FL 33149

CAPE FLORIDA SUB SEC 3

$12,485,000

6 bd · 8 ba · 6,405 sqft

420 Island Dr, Key Biscayne FL 33149

CAPE FLORIDA SUB SEC 1

$11,495,000

4 bd · 6 ba · 3,787 sqft

350 Ocean Dr # 701N, Key Biscayne FL 33149

Oceana Key Biscayne

$9,800,000

6 bd · 7 ba · 5,826 sqft

31 Island Dr, Key Biscayne FL 33149

CAPE FLORIDA SUB SEC 3

$9,200,000

5 bd · 6 ba · 4,416 sqft

625 Curtiswood Dr, Key Biscayne FL 33149

BISCAYNE KEY ESTATES

$8,950,000

4 bd · 7 ba · 3,798 sqft

350 E Ocean Dr # 301N, Key Biscayne FL 33149

Oceana Key Biscayne

$8,500,000

6 bd · 7 ba · 4,190 sqft

238 Buttonwood Dr, Key Biscayne FL 33149

TROPICAL ISLE HOMES SUB 4

$8,250,000

6 bd · 9 ba · 3,842 sqft

165 Hampton Ln, Key Biscayne FL 33149

TROPICAL ISLE HOMES SUB 4

$7,950,000

5 bd · 5 ba · 4,166 sqft

545 SABAL PALM, Key Biscayne FL 33149

TROPICAL ISLE HOMES SUB 2N

$7,490,000

5 bd · 7 ba · 3,768 sqft

571 Glenridge Rd, Key Biscayne FL 33149

TROPICAL ISLE HOMES SUB