Duplexes for sale in Key Biscayne

1,886 available properties
Sort by:
Most relevant first
Most relevant first
Most up-to-date first
Most recent published
Price: Lowest first
Price: Highest first
Bedrooms: Lowest first
Bedrooms: Highest first
Size: Lowest first
Size: Highest first
50 pictures Arrow icon pointing to the right
New
House
House for sale in Key Biscayne, Miami-Dade County
USD 19,750,000
Key Biscayne, Miami-Dade County
GardenEquipped kitchenAir conditioningSwimming pool

18 hours ago

21 pictures Arrow icon pointing to the right
New
Apartment
Apartment for sale in Key Biscayne, Miami-Dade County
USD 1,019,000
Key Biscayne, Miami-Dade County
TerraceSaunaBalconyEquipped kitchenSwimming pool

18 hours ago

30 pictures Arrow icon pointing to the right
Apartment
Apartment for sale in Key Biscayne, Miami-Dade County
USD 18,500,000
Key Biscayne, Miami-Dade County

4,566 sq.ft

TerraceSwimming poolEquipped kitchen

Sep 16, 2026

View photo Arrow icon pointing to the right
New
Property for sale in Key Biscayne, Miami-Dade County
Request Details
Key Biscayne, Miami-Dade County

18 hours ago

View photo Arrow icon pointing to the right
New
Foreclosure
House
House for sale in Key Biscayne, Miami-Dade County
Request Details
Key Biscayne, Miami-Dade County

3 Bedrooms

1 Bathroom

2,403 sq.ft

18 hours ago

46 pictures Arrow icon pointing to the right
Apartment
Apartment for sale in Key Biscayne, Miami-Dade County
USD 12,990,000
Key Biscayne, Miami-Dade County
TerraceEquipped kitchenAir conditioningSwimming pool

4 days + 18 hours ago

View photo Arrow icon pointing to the right
Updated
Foreclosure
Condo
Condo for sale in Key Biscayne, Miami-Dade County
Request Details
Key Biscayne, Miami-Dade County

1 Bedroom

2 Bathrooms

895 sq.ft

18 hours ago

30 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Miami-Dade County
USD 3,730,000
Key Biscayne, Miami-Dade County

5 Bedrooms

2,700 sq.ft

GardenTerraceSwimming pool

1 week + 5 days ago

16 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Miami-Dade County
USD 9,950,000
Key Biscayne, Miami-Dade County

4,341 sq.ft

Office roomTerraceSaunaEquipped kitchenSwimming pool

1 week + 6 days ago

50 pictures Arrow icon pointing to the right
Apartment
Apartment for sale in Key Biscayne, Miami-Dade County
USD 11,495,000
Key Biscayne, Miami-Dade County
Equipped kitchenSwimming pool

Sep 26, 2026

View photo Arrow icon pointing to the right
Updated
Foreclosure
Condo
Condo for sale in Key Biscayne, Miami-Dade County
Request Details
Key Biscayne, Miami-Dade County

3 Bedrooms

4 Bathrooms

18 hours ago

View photo Arrow icon pointing to the right
Updated
Foreclosure
Condo
Condo for sale in Key Biscayne, Miami-Dade County
Request Details
Key Biscayne, Miami-Dade County

3 Bedrooms

4 Bathrooms

2,840 sq.ft

18 hours ago

30 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Miami-Dade County
USD 7,390,000
Key Biscayne, Miami-Dade County

4,043 sq.ft

GardenTerraceEquipped kitchenSwimming pool

Oct 15, 2026

27 pictures Arrow icon pointing to the right
Detached House
Detached House for sale in Key Biscayne, Miami-Dade County
USD 16,500,000
Key Biscayne, Miami-Dade County

7 Bedrooms

6,997 sq.ft

GardenEquipped kitchenSwimming pool

Oct 14, 2026

View photo Arrow icon pointing to the right
Updated
Property for sale in Key Biscayne, Miami-Dade County
Request Details
Key Biscayne, Miami-Dade County

18 hours ago

18 pictures Arrow icon pointing to the right
Apartment
Apartment for sale in Key Biscayne, Miami-Dade County
USD 580,000
Key Biscayne, Miami-Dade County
TerraceBalconyEquipped kitchenSwimming poolParking

Oct 12, 2026

15 pictures Arrow icon pointing to the right
Apartment
Apartment for sale in Key Biscayne, Miami-Dade County
USD 724,000
Key Biscayne, Miami-Dade County
TerraceSaunaGymEquipped kitchenSwimming pool

Oct 11, 2026

50 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
GardenTerraceEquipped kitchenSwimming poolLift

Sep 30, 2026

30 pictures Arrow icon pointing to the right
Apartment
Apartment for sale in Key Biscayne, Miami-Dade County
USD 2,650,000
Key Biscayne, Miami-Dade County

2,001 sq.ft

Swimming pool

Sep 29, 2026

View photo Arrow icon pointing to the right
Updated
Foreclosure
Condo
Condo for sale in Key Biscayne, Miami-Dade County
Request Details
Key Biscayne, Miami-Dade County

2 Bedrooms

2 Bathrooms

1,875 sq.ft

18 hours ago

View photo Arrow icon pointing to the right
Updated
Foreclosure
Condo
Condo for sale in Key Biscayne, Miami-Dade County
Request Details
Key Biscayne, Miami-Dade County

18 hours ago

View photo Arrow icon pointing to the right
Updated
Foreclosure
Condo
Condo for sale in Key Biscayne, Miami-Dade County
Request Details
Key Biscayne, Miami-Dade County

2 Bedrooms

2 Bathrooms

18 hours ago

37 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Miami-Dade County
USD 14,490,000
Key Biscayne, Miami-Dade County
Office roomTerraceEquipped kitchenSwimming pool

Oct 15, 2026

21 pictures Arrow icon pointing to the right
Apartment
Apartment for sale in Key Biscayne, Miami-Dade County
USD 3,750,000
Key Biscayne, Miami-Dade County
TerraceEquipped kitchenSwimming pool

Oct 14, 2026

30 pictures Arrow icon pointing to the right
Detached House
Detached House for sale in Key Biscayne, Miami-Dade County
Request Details
Key Biscayne, Miami-Dade County

7 Bedrooms

11,517 sq.ft

GardenGymSwimming poolLift

Oct 13, 2026

30 pictures Arrow icon pointing to the right
Apartment
Apartment for sale in Key Biscayne, Miami-Dade County
USD 3,599,000
Key Biscayne, Miami-Dade County

3,711 sq.ft

Equipped kitchenSwimming pool

Oct 03, 2026

View photo Arrow icon pointing to the right
Updated
Foreclosure
Condo
Condo for sale in Key Biscayne, Miami-Dade County
Request Details
Key Biscayne, Miami-Dade County

3 Bedrooms

2 Bathrooms

18 hours ago

View photo Arrow icon pointing to the right
Updated
Foreclosure
House
House for sale in Key Biscayne, Miami-Dade County
Request Details
Key Biscayne, Miami-Dade County

5 Bedrooms

3 Bathrooms

1,836 sq.ft

18 hours ago

View photo Arrow icon pointing to the right
Updated
Property for sale in Key Biscayne, Miami-Dade County
Request Details
Key Biscayne, Miami-Dade County

18 hours ago

View photo Arrow icon pointing to the right
Updated
Foreclosure
Condo
Condo for sale in Key Biscayne, Miami-Dade County
Request Details
Key Biscayne, Miami-Dade County

3 Bedrooms

2 Bathrooms

1,734 sq.ft

18 hours ago

Give us your email and we'll notify you as soon as we have news about:
Duplexes key biscayne
By suscribing you agree to the terms and conditions and privacy policy Receive alerts
Enter your email and be the first to know about updates on:
Duplexes key biscayne
By suscribing you agree to the terms and conditions and privacy policy Receive alerts
Your search Duplexes key biscayne has been saved
Close