Duplexes for sale in Key Biscayne

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House
House for sale in Key Biscayne, Miami-Dade County
USD 6,350,000
Key Biscayne, Miami-Dade County

4 Bedrooms

3 Bathrooms

2,761 sq.ft

Oct 15, 2026

21 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Miami-Dade County
USD 1,360,000
Key Biscayne, Miami-Dade County

2 Bathrooms

171 sq.ft

Oct 15, 2026

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House
House for sale in Key Biscayne, Miami-Dade County
USD 5,378,000
USD 5,478,000
2%
Key Biscayne, Miami-Dade County

4 Bedrooms

3 Bathrooms

3,549 sq.ft

Equipped kitchen

Oct 15, 2026

42 pictures Arrow icon pointing to the right
Detached House
Detached House for sale in Key Biscayne, Miami-Dade County
USD 14,490,000
USD 14,990,000
3%
Key Biscayne, Miami-Dade County

4 Bathrooms

618 sq.ft

Office roomEquipped kitchenSwimming pool

Oct 14, 2026

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House
House for sale in Key Biscayne, Miami-Dade County
USD 16,800,000
Key Biscayne, Miami-Dade County

4 Bedrooms

4 Bathrooms

3,620 sq.ft

PatioEquipped kitchenParkingSwimming pool

Oct 14, 2026

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Condo
Condo for sale in Key Biscayne, Miami-Dade County
USD 1,225,000
Key Biscayne, Miami-Dade County

2 Bedrooms

2 Bathrooms

1,409 sq.ft

Equipped kitchenSwimming pool

Oct 14, 2026

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Condo
Condo for sale in Key Biscayne, Miami-Dade County
USD 1,890,000
USD 1,980,000
5%
Key Biscayne, Miami-Dade County

3 Bedrooms

2 Bathrooms

1,820 sq.ft

GardenGymSwimming pool

Oct 13, 2026

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Condo
Condo for sale in Key Biscayne, Miami-Dade County
USD 2,850,000
Key Biscayne, Miami-Dade County

3 Bedrooms

2 Bathrooms

1,889 sq.ft

BalconyEquipped kitchen

Oct 13, 2026

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House
House for sale in Key Biscayne, Miami-Dade County
USD 6,950,000
Key Biscayne, Miami-Dade County

5 Bedrooms

5 Bathrooms

5,421 sq.ft

GardenTerraceSaunaBalconyEquipped kitchenSwimming pool

Oct 12, 2026

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House
House for sale in Key Biscayne, Miami-Dade County
USD 5,100,000
Key Biscayne, Miami-Dade County

5 Bedrooms

4 Bathrooms

3,535 sq.ft

Oct 12, 2026

37 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Miami-Dade County
USD 5,950,000
USD 6,900,000
14%
Key Biscayne, Miami-Dade County

4 Bathrooms

390 sq.ft

GardenTerraceDeckEquipped kitchenSwimming poolLift

Oct 12, 2026

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Condo
Condo for sale in Key Biscayne, Miami-Dade County
USD 1,050,000
USD 2,150,000
51%
Key Biscayne, Miami-Dade County

3 Bedrooms

2 Bathrooms

1,930 sq.ft

Balcony

Oct 11, 2026

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Condo
Condo for sale in Key Biscayne, Miami-Dade County
USD 1,304,213
Key Biscayne, Miami-Dade County

2 Bedrooms

2 Bathrooms

1,260 sq.ft

SaunaBalconySwimming pool

Oct 11, 2026

5 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Miami-Dade County
USD 19,800,000
Key Biscayne, Miami-Dade County

4 Bedrooms

9 Bathrooms

GardenEquipped kitchenLift

Oct 11, 2026

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Condo
Condo for sale in Key Biscayne, Miami-Dade County
USD 17,900,000
Key Biscayne, Miami-Dade County

5 Bedrooms

5 Bathrooms

4,764 sq.ft

Oct 10, 2026

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Townhouse
Townhouse for sale in Key Biscayne, Miami-Dade County
USD 1,075,000
Key Biscayne, Miami-Dade County

2 Bedrooms

2 Bathrooms

1,340 sq.ft

PatioEquipped kitchen

Oct 10, 2026

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Condo
Condo for sale in Key Biscayne, Miami-Dade County
USD 1,250,000
Key Biscayne, Miami-Dade County

2 Bedrooms

2 Bathrooms

1,488 sq.ft

Swimming poolParking

Oct 10, 2026

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House
House for sale in Key Biscayne, Miami-Dade County
USD 7,450,000
Key Biscayne, Miami-Dade County

7 Bedrooms

7 Bathrooms

4,565 sq.ft

Oct 10, 2026

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Condo
Condo for sale in Key Biscayne, Miami-Dade County
USD 844,000
Key Biscayne, Miami-Dade County

2 Bedrooms

2 Bathrooms

1,330 sq.ft

Oct 09, 2026

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Condo
Condo for sale in Key Biscayne, Miami-Dade County
USD 4,450,000
Key Biscayne, Miami-Dade County

3 Bedrooms

3 Bathrooms

2,604 sq.ft

Equipped kitchen

Oct 09, 2026

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Condo
Condo for sale in Key Biscayne, Miami-Dade County
USD 1,499,000
Key Biscayne, Miami-Dade County

2 Bedrooms

2 Bathrooms

1,610 sq.ft

TerraceEquipped kitchen

Oct 09, 2026

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Condo
Condo for sale in Key Biscayne, Miami-Dade County
USD 1,400,000
Key Biscayne, Miami-Dade County

1 Bedroom

1 Bathroom

1,217 sq.ft

Equipped kitchen

Oct 09, 2026

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House
House for sale in Key Biscayne, Miami-Dade County
USD 8,000,000
Key Biscayne, Miami-Dade County

6 Bedrooms

5 Bathrooms

1,044 sq.ft

Oct 08, 2026

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Condo
Condo for sale in Key Biscayne, Miami-Dade County
USD 1,299,000
Key Biscayne, Miami-Dade County

2 Bedrooms

2 Bathrooms

1,260 sq.ft

TerraceGymSecuritySwimming pool

Oct 08, 2026

39 pictures Arrow icon pointing to the right
Detached House
Detached House for sale in Key Biscayne, Miami-Dade County
USD 5,378,000
USD 5,478,000
2%
Key Biscayne, Miami-Dade County

3 Bathrooms

329 sq.ft

Equipped kitchen

Oct 08, 2026

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Condo
Condo for sale in Key Biscayne, Miami-Dade County
USD 850,000
Key Biscayne, Miami-Dade County

2 Bedrooms

2 Bathrooms

1,311 sq.ft

GymEquipped kitchenParkingSwimming pool

Oct 08, 2026

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Condo
Condo for sale in Key Biscayne, Miami-Dade County
USD 1,790,000
Key Biscayne, Miami-Dade County

3 Bedrooms

3 Bathrooms

1,550 sq.ft

TerraceParking

Oct 07, 2026

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Townhouse
Townhouse for sale in Key Biscayne, Miami-Dade County
USD 1,575,000
Key Biscayne, Miami-Dade County

2 Bedrooms

3 Bathrooms

1,404 sq.ft

PatioBalconyEquipped kitchen

Oct 07, 2026

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Condo
Condo for sale in Key Biscayne, Miami-Dade County
USD 2,950,000
Key Biscayne, Miami-Dade County

3 Bedrooms

2 Bathrooms

1,782 sq.ft

Oct 07, 2026

45 pictures Arrow icon pointing to the right
Townhouse
Townhouse for sale in Key Biscayne, Miami-Dade County
USD 1,075,000
USD 1,175,000
9%
Key Biscayne, Miami-Dade County

2 Bathrooms

124 sq.ft

PatioEquipped kitchenSwimming pool

Oct 02, 2026