Homes under $500K in Key Biscayne, FL

6 for sale · 7 homes listed · Updated September 25, 2026

• 255 sunrise drive 103, Key Biscayne 33149 $450,000 · 1 bd · 1 ba · 608 sqft
• 100 sunrise drive 5, Key Biscayne 33149 $429,000 · 1 ba · 410 sqft
• 240 galen drive 314, Key Biscayne 33149 $495,000 · 1 bd · 1 ba · 725 sqft
• 240 galen drive 214, Key Biscayne 33149 $475,000 · 1 bd · 2 ba · 725 sqft
• 251 galen drive 302, Key Biscayne 33149 $480,000 · 1 bd · 2 ba · 854 sqft
• 255 sunrise drive 107, Key Biscayne 33149 $459,000 · 1 bd · 1 ba · 608 sqft
• 200 galen drive 202, Key Biscayne 33149 Active Under Contract $384,000 · 1 bd · 2 ba · 730 sqft