60$19,750,000
6 bd · 7 ba · 6,468 sqft
1080 Mariner Dr, Key Biscayne, FL
Alina De La Vega · One Sotheby's International Realty
Homes for Sale in Key Biscayne, FL
Hide MapHomes for Sale in Key Biscayne, FL
22 of 279 Listings
60$19,750,000
6 bd · 7 ba · 6,468 sqft
1080 Mariner Dr, Key Biscayne, FL
Alina De La Vega · One Sotheby's International Realty
10$520,000
2 bd · 2 ba · 965 sqft
300 Galen Dr 401, Key Biscayne, FL
Andrea Figueroa · Sea Grove Realty
10$520,000
2 bd · 2 ba · 965 sqft
300 Galen Dr Unit 401, Key Biscayne, FL
Andrea Figueroa · Sea Grove Realty
29$2,900,000
2 bd · 3 ba · 2,220 sqft
251 Crandon Blvd Unit 806, Key Biscayne, FL
Julieta Suarez Lepre · Serhant
$12,990,000
4 bd · 6 ba · 7,400 sqft
445 Grand Bay Drive Ph-2a, Key Biscayne, FL
Brigitte Nachtigall · One Sotheby's International Realty
29$2,900,000
2 bd · 3 ba · 2,220 sqft
251 Crandon Blvd 806, Key Biscayne, FL
Julieta Suarez Lepre · Serhant
54$12,990,000
4 bd · 6 ba · 7,400 sqft
445 Grand Bay Drive Unit Ph-2a, Key Biscayne, FL
Brigitte Nachtigall · One Sotheby's International Realty
14$750,000
2 bd · 2 ba · 1,187 sqft
201 Galen Dr 110, Key Biscayne, FL
Anamaria Velasquez · NEXXOS REALTY LLC
Open house Sat, Nov 7 · 12:00 PM3$19,450,000
7 bd · 8 ba · 6,497 sqft
550 Harbor Dr, Key Biscayne, FL
William Earle · Three Bridges Realty, LLC
14$750,000
2 bd · 2 ba · 1,187 sqft
201 Galen Dr Unit 110, Key Biscayne, FL
Anamaria Velasquez · NEXXOS REALTY LLC
37$2,950,000
3 bd · 3 ba · 2,602 sqft
765 Crandon Blvd 311, Key Biscayne, FL
Mariana Mercedes Quinoa · Great Properties International LLC
37$2,950,000
3 bd · 3 ba · 2,602 sqft
765 Crandon Blvd Unit 311, Key Biscayne, FL
Mariana Mercedes Quinoa · Great Properties International LLC
46$1,690,000
2 bd · 3 ba · 1,460 sqft
201 E Enid Dr Unit 31, Key Biscayne, FL
Roque Gargano · Florida Capital Realty
46$1,690,000
2 bd · 3 ba · 1,460 sqft
201 E Enid Dr 31, Key Biscayne, FL
Roque Gargano · Florida Capital Realty
10$4,450,000
3 bd · 3 ba · 1,930 sqft
177 Ocean Lane Dr Unit 501, Key Biscayne, FL
Florencia Capiel De Moni · BHHS EWM Realty
10$4,450,000
3 bd · 3 ba · 1,930 sqft
177 Ocean Lane Dr 501, Key Biscayne, FL
Florencia Capiel De Moni · BHHS EWM Realty
$429,000
0 bd · 1 ba · 410 sqft
Address withheld · Key Biscayne, FL
Khalil Khouri · Cristina Sammataro
$429,000
— bd · 1 ba · 410 sqft
Address withheld · Key Biscayne, FL
Khalil Khouri · Cristina Sammataro
24$765,000
2 bd · 2 ba · 1,105 sqft
77 Crandon Blvd 3C, Key Biscayne, FL
James Salas · E Realty International, Inc.
18$970,000
2 bd · 2 ba · 1,470 sqft
141 Crandon Blvd Unit 329, Key Biscayne, FL
Jacqueline Regnault · Cervera Real Estate Inc.
18$970,000
2 bd · 2 ba · 1,470 sqft
141 Crandon Blvd 329, Key Biscayne, FL
Jacqueline Regnault · Cervera Real Estate Inc.
24$765,000
2 bd · 2 ba · 1,105 sqft
77 Crandon Blvd Unit 3C, Key Biscayne, FL
James Salas · E Realty International, Inc.
MIAMI REALTORS MLSSource: HJN community data
October 2026 · This period is still settling
Selling at 94.1% of asking price
Buyers here are paying below asking. MLS · 10 sales · as of Oct 30, 2026