Single Family Homes in Key Biscayne, FL
35 for sale · 46 homes listed · Updated September 25, 2026
- 960 mariner drive, Key Biscayne 33149 $19,500,000 · 6 bd · 10 ba · 7,742 sqft
- 420 island drive, Key Biscayne 33149 $12,485,000 · 6 bd · 8 ba · 6,405 sqft
- 31 island drive, Key Biscayne 33149 $9,800,000 · 6 bd · 7 ba · 5,826 sqft
- 545 sabal palm, Key Biscayne 33149 $7,950,000 · 5 bd · 5 ba · 4,166 sqft
- 691 ridgewood road, Key Biscayne 33149 $3,800,000 · 4 bd · 4 ba · 3,403 sqft
- 200 harbor drive, Key Biscayne 33149 $25,900,000 · 4 bd · 4 ba · 2,566 sqft
- 110 hampton lane, Key Biscayne 33149 $6,900,000 · 6 bd · 7 ba · 3,550 sqft
- 741 harbor drive, Key Biscayne 33149 $7,590,000 · 6 bd · 7 ba · 4,043 sqft
- 24 grand bay estates circle, Key Biscayne 33149 $4,899,000 · 5 bd · 6 ba · 4,220 sqft
- 561 warren lane, Key Biscayne 33149 $5,995,000 · 5 bd · 6 ba · 3,762 sqft
- 640 south mashta drive, Key Biscayne 33149 $16,800,000 · 4 bd · 4 ba · 3,620 sqft
- 524 warren lane, Key Biscayne 33149 $3,730,000 · 5 bd · 4 ba · 2,700 sqft
- 685 harbor lane, Key Biscayne 33149 $6,950,000 · 5 bd · 6 ba · 5,421 sqft
- 690 warren lane, Key Biscayne 33149 $5,478,000 · 4 bd · 4 ba · 3,549 sqft
- 485 west matheson drive, Key Biscayne 33149 $237,000,000 · 5 bd · 9 ba · 11,528 sqft
- 255 ridgewood road, Key Biscayne 33149 $3,550,000 · 4 bd · 3 ba · 2,177 sqft
- 238 buttonwood drive, Key Biscayne 33149 $8,500,000 · 6 bd · 7 ba · 4,190 sqft
- 571 glenridge road, Key Biscayne 33149 $7,490,000 · 5 bd · 7 ba · 3,768 sqft
- 625 curtiswood drive, Key Biscayne 33149 $9,200,000 · 5 bd · 6 ba · 4,416 sqft
- 425 harbor drive, Key Biscayne 33149 $7,450,000 · 7 bd · 9 ba · 4,565 sqft
- 650 curtiswood drive, Key Biscayne 33149 $5,199,000 · 6 bd · 5 ba · 3,356 sqft
- 797 glenridge road, Key Biscayne 33149 $5,100,000 · 5 bd · 5 ba · 3,535 sqft
- 165 hampton lane, Key Biscayne 33149 $8,250,000 · 6 bd · 9 ba · 3,842 sqft
- 330 gulf road, Key Biscayne 33149 $6,490,000 · 5 bd · 6 ba · 3,202 sqft
- 631 north mashta drive, Key Biscayne 33149 $18,500,000 · 4 bd · 5 ba · 2,255 sqft
- 161 cape florida drive, Key Biscayne 33149 $14,990,000 · 4 bd · 6 ba · 6,661 sqft
- 241 cape florida drive, Key Biscayne 33149 $27,900,000 · 8 bd · 9 ba · 9,159 sqft
- 335 west enid drive, Key Biscayne 33149 $5,785,000 · 5 bd · 6 ba · 3,495 sqft
- 520 south mashta drive, Key Biscayne 33149 $19,900,000 · 5 bd · 4 ba · 3,085 sqft
- 501 bay lane, Key Biscayne 33149 $5,990,000 · 5 bd · 5 ba · 4,759 sqft
- 119 harbor drive, Key Biscayne 33149 $3,300,000 · 3 bd · 2 ba · 1,554 sqft
- 544 warren lane, Key Biscayne 33149 $8,000,000 · 6 bd · 6 ba · 1,044 sqft
- 131 cape florida drive, Key Biscayne 33149 $16,500,000 · 6 bd · 7 ba · 7,103 sqft
- 755 curtiswood drive, Key Biscayne 33149 $5,600,000 · 5 bd · 5 ba · 3,197 sqft
- 475 woodcrest road, Key Biscayne 33149 $4,500,000 · 4 bd · 3 ba · 2,689 sqft
- 669 south mashta drive, Key Biscayne 33149 Pending $5,799,000 · 4 bd · 4 ba · 3,382 sqft
- 738 fernwood road, Key Biscayne 33149 Pending $2,875,000 · 3 bd · 2 ba · 1,312 sqft
- 301 hampton lane, Key Biscayne 33149 Pending $3,200,000 · 4 bd · 3 ba · 2,068 sqft
- 164 west mashta drive, Key Biscayne 33149 Pending $5,200,000 · 5 bd · 5 ba · 3,595 sqft
- 445 ridgewood road, Key Biscayne 33149 Pending $6,685,000 · 5 bd · 6 ba · 3,688 sqft
- 760 woodcrest road, Key Biscayne 33149 Active Under Contract $6,395,000 · 5 bd · 6 ba · 4,003 sqft
- 550 harbor drive, Key Biscayne 33149 Active Under Contract $19,450,000 · 7 bd · 8 ba · 6,497 sqft
- 269 cranwood drive, Key Biscayne 33149 Active Under Contract $3,980,000 · 5 bd · 4 ba · 2,821 sqft
- 161 cape florida drive, Key Biscayne 33149 Off market since Jul 2026 $14,590,000 · 4 bd · 5 ba · 6,661 sqft
- 221 knollwood drive, Key Biscayne 33149 Off market since Jul 2026 $11,600,000 · 5 bd · 5 ba · 3,509 sqft
- 111 reef lane, Key Biscayne 33149 Sold on Aug 7, 2026 $11,500,000 · 7 bd · 6 ba · 5,008 sqft