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Houses for sale in Key Biscayne

36,130 available properties
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View photo Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 3,200,000
Key Biscayne, Florida

4 Bedrooms

3 Bathrooms

2,068 sq.ft

Office room

2 weeks + 1 day ago

93 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 17,900,000
Key Biscayne, Florida

5 Bathrooms

442 sq.ft

Lift

Jun 25, 2026

46 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 2,490,000
Key Biscayne, Florida

3 Bathrooms

164 sq.ft

GymBalconySwimming poolLiftParking

Jun 24, 2026

25 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 1,149,000
Key Biscayne, Florida

2 Bathrooms

117 sq.ft

SaunaBalconyEquipped kitchenSwimming pool

Jun 19, 2026

111 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 6,900,000
Key Biscayne, Florida

4 Bathrooms

390 sq.ft

GardenTerraceDeckEquipped kitchenSwimming poolLift

Jun 12, 2026

47 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 18,500,000
Key Biscayne, Florida

5 Bathrooms

424 sq.ft

TerraceSwimming poolEquipped kitchen

Jun 03, 2026

23 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 5,100,000
Key Biscayne, Florida

3 Bathrooms

233 sq.ft

SecuritySwimming poolLiftParking

Jun 03, 2026

33 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 849,000
Key Biscayne, Florida

2 Bathrooms

127 sq.ft

Equipped kitchen

Jun 02, 2026

31 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 1,225,000
Key Biscayne, Florida

2 Bathrooms

130 sq.ft

Equipped kitchenParking

Jun 02, 2026

4 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 1,350,000
Key Biscayne, Florida

2 Bathrooms

130 sq.ft

Jun 02, 2026

13 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 1,175,000
Key Biscayne, Florida

2 Bathrooms

117 sq.ft

GymBalconyEquipped kitchenSwimming pool

Jun 02, 2026

21 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 480,000
Key Biscayne, Florida
Swimming poolParking

May 29, 2026

18 pictures Arrow icon pointing to the right
Updated
House
House for sale in Key Biscayne, Florida
USD 499,000
Key Biscayne, Florida

1 Bathroom

56 sq.ft

GardenEquipped kitchenAir conditioningSwimming poolParking

2 days + 14 hours ago

30 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 3,980,000
Key Biscayne, Florida

2,821 sq.ft

PatioFireplaceEquipped kitchenSwimming pool

3 days + 14 hours ago

45 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 3,750,000
USD 3,874,000
3%
Key Biscayne, Florida

3 Bathrooms

344 sq.ft

Equipped kitchenSwimming pool

3 days + 14 hours ago

32 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 580,000
Key Biscayne, Florida

1 Bathroom

90 sq.ft

GardenBalcony

1 week + 2 days ago

28 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 775,000
Key Biscayne, Florida

2 Bathrooms

101 sq.ft

BalconyEquipped kitchenParking

1 week + 6 days ago

5 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 1,095,000
Key Biscayne, Florida

2 Bathrooms

126 sq.ft

PatioGardenParkingSwimming pool

2 weeks + 2 days ago

10 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 1,250,000
Key Biscayne, Florida

2 Bathrooms

138 sq.ft

Swimming poolParking

2 weeks + 3 days ago

35 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 2,500,000
Key Biscayne, Florida

3 Bathrooms

191 sq.ft

GardenSaunaGymBalconyEquipped kitchenSwimming pool

2 weeks + 4 days ago

5 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 29,500,000
Key Biscayne, Florida

9 Bedrooms

10 Bathrooms

Office roomEquipped kitchen

3 weeks + 2 days ago

5 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 19,800,000
Key Biscayne, Florida

4 Bedrooms

9 Bathrooms

GardenEquipped kitchenLift

Jul 02, 2026

70 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 10,500,000
Key Biscayne, Florida

6 Bedrooms

8 Bathrooms

5,216 sq.ft

GardenOffice roomGymDeckBalconyEquipped kitchenParkingSwimming poolCellar

Jul 01, 2026

View photo Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 5,600,000
Key Biscayne, Florida

7 Bedrooms

5 Bathrooms

5,000 sq.ft

Swimming pool

Jun 29, 2026

55 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 589,000
Key Biscayne, Florida

1 Bathroom

81 sq.ft

Equipped kitchenSwimming poolParking

Jun 24, 2026

29 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 1,500,000
Key Biscayne, Florida

2 Bathrooms

142 sq.ft

BalconyEquipped kitchenSwimming pool

Jun 18, 2026

19 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 505,000
Key Biscayne, Florida

1 Bathroom

80 sq.ft

Balcony

Jun 18, 2026

26 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 6,900,000
Key Biscayne, Florida

3 Bathrooms

366 sq.ft

Equipped kitchen

Jun 18, 2026

17 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 875,000
Key Biscayne, Florida

1 Bathroom

101 sq.ft

SecuritySwimming poolParking

Jun 18, 2026

58 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 2,350,000
Key Biscayne, Florida

2 Bathrooms

174 sq.ft

Equipped kitchen

Jun 13, 2026

Property value in Key Biscayne
Average price per sq.feet
USD 9,339/sq.feet
0.1 %
Price evolution on May 2026
6.6 %
Price evolution on June 2025
Average property value
USD 1,599,000

Property value in Key Biscayne by number of bedrooms

USD 13,950 USD 6/sq.feet
Average price of 2 bedrooms Houses for sale with 2 bedrooms
USD 17,000 USD 6/sq.feet
Average price of 3 bedrooms Houses for sale with 3 bedrooms
USD 6,950,000 USD 1,862/sq.feet
Average price of 4 bedrooms Houses for sale with 4 bedrooms
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