4 Bedroom Homes in Key Biscayne, FL

18 for sale · 23 homes listed · Updated September 25, 2026

785 crandon blvd 705 805, Key Biscayne 33149 $5,450,000 · 4 bd · 5 ba · 4,200 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
350 east ocean drive 301n, Key Biscayne 33149 $8,950,000 · 4 bd · 7 ba · 3,798 sqft
350 ocean drive 701n, Key Biscayne 33149 $11,495,000 · 4 bd · 6 ba · 3,787 sqft
640 south mashta drive, Key Biscayne 33149 $16,800,000 · 4 bd · 4 ba · 3,620 sqft
690 warren lane, Key Biscayne 33149 $5,478,000 · 4 bd · 4 ba · 3,549 sqft
255 ridgewood road, Key Biscayne 33149 $3,550,000 · 4 bd · 3 ba · 2,177 sqft
209 east enid drive 36, Key Biscayne 33149 $2,600,000 · 4 bd · 4 ba · 2,442 sqft
785 crandon blvd 205 305, Key Biscayne 33149 $6,900,000 · 4 bd · 5 ba · 4,200 sqft
200 ocean lane drive 501, Key Biscayne 33149 $3,750,000 · 4 bd · 4 ba · 1,880 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
475 woodcrest road, Key Biscayne 33149 $4,500,000 · 4 bd · 3 ba · 2,689 sqft
548 fernwood road 548, Key Biscayne 33149 $3,300,000 · 4 bd · 3 ba · 2,448 sqft
430 grand bay drive 606, Key Biscayne 33149 $3,900,000 · 4 bd · 4 ba · 2,930 sqft
445 grand bay drive 104, Key Biscayne 33149 $3,950,000 · 4 bd · 5 ba · 3,250 sqft
799 crandon boulevard 202, Key Biscayne 33149 $5,490,000 · 4 bd · 6 ba · 3,581 sqft
669 south mashta drive, Key Biscayne 33149 Pending $5,799,000 · 4 bd · 4 ba · 3,382 sqft
301 hampton lane, Key Biscayne 33149 Pending $3,200,000 · 4 bd · 3 ba · 2,068 sqft
201 crandon boulevard 174, Key Biscayne 33149 Active Under Contract $5,100,000 · 4 bd · 6 ba · 3,254 sqft
161 cape florida drive, Key Biscayne 33149 Off market since Jul 2026 $14,590,000 · 4 bd · 5 ba · 6,661 sqft
201 crandon boulevard 175, Key Biscayne 33149 Off market since Jul 2026 $4,450,000 · 4 bd · 4 ba · 2,604 sqft