Homes for Sale in Key Biscayne

73 active listings in Key Biscayne. Every listing links to its full property page with photos, pricing history, and market context.

• 485 W Matheson Dr, Key Biscayne FL 33149$237,000,000 · 5 bd · 9 ba
• 241 Cape Florida Dr, Key Biscayne FL 33149$29,900,000 · 8 bd · 9 ba
• 260 Cape Florida Dr, Key Biscayne FL 33149$29,500,000 · 9 bd · 10 ba
• 430 Grand Bay Dr, Key Biscayne FL 33149$26,000,000 · 4 bd · 6 ba
• 200 Harbor Dr, Key Biscayne FL 33149$25,900,000 · 4 bd · 4 ba
• 120 Knollwood Dr, Key Biscayne FL 33149$19,950,000 · 6 bd · 7 ba
• 100 Cape Florida Dr, Key Biscayne FL 33149$19,800,000 · 4 bd · 9 ba
• 960 Mariner Dr, Key Biscayne FL 33149$19,500,000 · 6 bd · 10 ba
• 445 Grand Bay Drive # 1A, Key Biscayne FL 33149$18,900,000 · 5 bd · 6 ba
• 631 N Mashta Drive, Key Biscayne FL 33149$18,500,000 · 4 bd
• 799 Crandon Blvd # 8, Key Biscayne FL 33149$18,500,000 · 5 bd · 6 ba
• 350 Ocean Dr, Key Biscayne FL 33149$17,900,000 · 5 bd · 6 ba
• 640 S Mashta Dr, Key Biscayne FL 33149$16,800,000 · 4 bd · 4 ba
• 161 Cape Florida Drive, Key Biscayne FL 33149$14,990,000 · 4 bd · 6 ba
• 121 Knollwood Drive, Key Biscayne FL 33149$13,250,000 · 5 bd · 5 ba
• 420 Island Dr, Key Biscayne FL 33149$12,485,000 · 6 bd · 8 ba
• 365 Gulf Rd, Key Biscayne FL 33149$11,990,000 · 6 bd · 7 ba
• 221 Knollwood Dr, Key Biscayne FL 33149$11,600,000 · 5 bd · 5 ba
• 350 Ocean Dr # 701N, Key Biscayne FL 33149$11,495,000 · 4 bd · 6 ba
• 610 Harbor Cir, Key Biscayne FL 33149$10,500,000 · 6 bd · 8 ba
• 445 Grand Bay Dr # 1001, Key Biscayne FL 33149$9,900,000 · 5 bd · 6 ba
• 31 Island Dr, Key Biscayne FL 33149$9,800,000 · 6 bd · 7 ba
• 625 Curtiswood Dr, Key Biscayne FL 33149$9,200,000 · 5 bd · 6 ba
• 330 Caribbean Rd, Key Biscayne FL 33149$8,950,000 · 6 bd · 7 ba
• 350 E Ocean Dr # 301N, Key Biscayne FL 33149$8,950,000 · 4 bd · 7 ba
• 238 Buttonwood Dr, Key Biscayne FL 33149$8,500,000 · 6 bd · 7 ba
• 165 Hampton Ln, Key Biscayne FL 33149$8,250,000 · 6 bd · 9 ba
• 545 SABAL PALM, Key Biscayne FL 33149$7,950,000 · 5 bd · 5 ba
• 741 Harbor Dr, Key Biscayne FL 33149$7,590,000 · 6 bd · 7 ba
• 571 Glenridge Rd, Key Biscayne FL 33149$7,490,000 · 5 bd · 7 ba
• 425 Harbor Dr, Key Biscayne FL 33149$7,450,000 · 7 bd · 9 ba
• 685 Harbor Ln, Key Biscayne FL 33149$6,950,000 · 5 bd · 6 ba
• 430 Grand Bay Dr # 801, Key Biscayne FL 33149$6,900,000 · 2 bd · 4 ba
• 785 Crandon Blvd, Key Biscayne FL 33149$6,900,000 · 4 bd · 5 ba
• 110 Hampton Ln, Key Biscayne FL 33149$6,900,000 · 6 bd · 7 ba
• 445 Ridgewood Rd, Key Biscayne FL 33149$6,870,000 · 5 bd · 6 ba
• 330 Gulf Rd, Key Biscayne FL 33149$6,490,000 · 5 bd · 6 ba
• 760 Woodcrest Rd, Key Biscayne FL 33149$6,395,000 · 5 bd · 6 ba
• 561 Warren Ln, Key Biscayne FL 33149$5,995,000 · 5 bd · 6 ba
• 335 W Enid Dr, Key Biscayne FL 33149$5,785,000 · 5 bd · 6 ba
• 791 Crandon Blvd # 1005, Key Biscayne FL 33149$5,650,000 · 4 bd · 5 ba
• 140 Hampton Ln, Key Biscayne FL 33149$5,495,000 · 5 bd · 6 ba
• 690 Warren Ln, Key Biscayne FL 33149$5,478,000 · 4 bd · 4 ba
• 785 Crandon Blvd, Key Biscayne FL 33149$5,450,000 · 4 bd · 5 ba
• 797 Glenridge Rd, Key Biscayne FL 33149$5,200,000 · 5 bd · 5 ba
• 650 Curtiswood Dr, Key Biscayne FL 33149$5,199,000 · 6 bd · 5 ba
• 791 Crandon Blvd, Key Biscayne FL 33149$5,100,000 · 3 bd · 3 ba
• 24 Grand Bay Estates Circle, Key Biscayne FL 33149$4,950,000 · 5 bd
• 360 Ocean Dr # 304S, Key Biscayne FL 33149$4,800,000 · 2 bd · 4 ba
• 199 Ocean Lane Dr # 401, Key Biscayne FL 33149$4,500,000 · 4 bd · 4 ba
• 201 Crandon Blvd # 175, Key Biscayne FL 33149$4,450,000 · 4 bd · 4 ba
• 430 S Grand Bay Dr # 505, Key Biscayne FL 33149$4,017,400 · 3 bd · 4 ba
• 200 Ocean Lane Dr # 501, Key Biscayne FL 33149$3,925,000 · 3 bd · 4 ba
• 691 Ridgewood Rd, Key Biscayne FL 33149$3,800,000 · 4 bd · 4 ba
• 350 Ocean Dr # 405N, Key Biscayne FL 33149$3,799,000 · 2 bd · 4 ba
• 799 Crandon Blvd # 605, Key Biscayne FL 33149$3,750,000 · 3 bd · 4 ba
• 524 Warren Ln, Key Biscayne FL 33149$3,730,000 · 5 bd · 4 ba
• 360 Ocean Dr # 205S, Key Biscayne FL 33149$3,650,000 · 2 bd · 4 ba
• 881 Ocean Dr # 20A, Key Biscayne FL 33149$3,600,000 · 3 bd · 3 ba
• 200 Ocean Lane Dr # 401, Key Biscayne FL 33149$3,600,000 · 3 bd · 3 ba
• 600 Grapetree Dr, Key Biscayne FL 33149$3,599,000 · 3 bd · 3 ba
• 250 Greenwood Drive, Key Biscayne FL 33149$3,599,000 · 5 bd · 5 ba
• 881 Ocean Dr # 7H, Key Biscayne FL 33149$3,595,000 · 3 bd · 3 ba
• 255 Ridgewood Rd, Key Biscayne FL 33149$3,550,000 · 4 bd · 3 ba
• 791 Crandon Blvd # 404, Key Biscayne FL 33149$3,549,000 · 3 bd · 3 ba
• 350 Ocean Dr # 205N, Key Biscayne FL 33149$3,500,000 · 2 bd · 3 ba
• 430 Grand Bay Dr # 708, Key Biscayne FL 33149$3,490,000 · 3 bd · 3 ba
• 430 Grand Bay Dr # 307, Key Biscayne FL 33149$3,400,000 · 3 bd · 4 ba
• 791 Crandon Blvd # 302, Key Biscayne FL 33149$3,340,000 · 3 bd · 3 ba
• 310 Harbor Ct, Key Biscayne FL 33149$3,150,000 · 4 bd · 2 ba
• 789 Crandon Blvd # 1005, Key Biscayne FL 33149$3,150,000 · 2 bd · 3 ba
• 765 Crandon Blvd # 307, Key Biscayne FL 33149$3,100,000 · 3 bd · 4 ba
• 201 Crandon Blvd # 163, Key Biscayne FL 33149$2,865,000 · 3 bd · 4 ba