Single Family Homes in Key Biscayne, FL
33 for sale · 44 homes listed · Updated November 9, 2026
- 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
- 110 Hampton Lane, Key Biscayne 33149 $6,900,000 · 6 bd · 7 ba · 3,550 sqft
- 741 Harbor Drive, Key Biscayne 33149 $7,390,000 · 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
- 640 South Mashta Drive, Key Biscayne 33149 $16,800,000 · 4 bd · 4 ba · 3,620 sqft
- 524 Warren Lane, Key Biscayne 33149 $3,690,000 · 5 bd · 4 ba · 2,700 sqft
- 685 Harbor Lane, Key Biscayne 33149 $6,950,000 · 5 bd · 6 ba · 5,421 sqft
- 120 Knollwood Drive, Key Biscayne 33149 $19,450,000 · 6 bd · 7 ba · 6,208 sqft
- 690 Warren Lane, Key Biscayne 33149 $5,378,000 · 4 bd · 4 ba · 3,549 sqft
- 485 West Matheson Drive, Key Biscayne 33149 $237,000,000 · 5 bd · 9 ba · 11,528 sqft
- 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
- 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 · 3,498 sqft
- 797 Glenridge Road, Key Biscayne 33149 $5,100,000 · 5 bd · 5 ba · 3,535 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 $14,490,000 · 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 $6,897,000 · 5 bd · 6 ba · 3,495 sqft
- 520 South Mashta Drive, Key Biscayne 33149 $18,500,000 · 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
- 315 Cypress Drive, Key Biscayne 33149 $7,599,000 · 6 bd · 8 ba · 3,980 sqft
- 360 Harbor Lane, Key Biscayne 33149 $9,950,000 · 6 bd · 6 ba · 4,341 sqft
- 550 Harbor Drive, Key Biscayne 33149 $19,450,000 · 7 bd · 8 ba · 6,497 sqft
- 1080 Mariner Drive, Key Biscayne 33149 $19,750,000 · 6 bd · 7 ba · 6,468 sqft
- 255 Ridgewood Road, Key Biscayne 33149 Pending $3,550,000 · 4 bd · 3 ba · 2,177 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
- 165 Hampton Lane, Key Biscayne 33149 Active Under Contract $8,250,000 · 6 bd · 9 ba · 3,842 sqft
- 269 Cranwood Drive, Key Biscayne 33149 Active Under Contract $3,980,000 · 5 bd · 4 ba · 2,821 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