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Key Biscayne luxury Houses for sale

Some of the world’s most lavish and desirable homes can be found in Key Biscayne. I am here to help you find the home that is perfect for you, assisting you every step of the way with friendly, personalized service and the most advanced computer tools for searching and analyzing every property listing.

Whether you are buying or selling, my unmatched knowledge of South Florida real estate will make the process easier, and bring top results. I provide you with important decision-making date including comparable pricing, school district comparisons, average commute times, neighborhood amenities, and so much more.

Contemporary or vintage; waterfront or gated; in town or secluded, I can show you homes all categories and price ranges. Get started now using my Property Search Tool to select the luxury homes that fit your personal criteria, lifestyle and dreams.

New Luxury Houses for sale in Key Biscayne

(Data last updated: Monday, December 11, 2023)
For Sale: 725 N Mashta Dr, Key Biscayne - Price: $29,850,000 For Sale: 725 N Mashta Dr, Key Biscayne - Price: $29,850,000

725 N Mashta Dr

– Key Biscayne –
Price: $29,850,000
Bedrooms: 7
Bathrooms: 9
Square Ft: 3174
For Sale: 725 N Mashta Dr, Key Biscayne - Price: $29,850,000

725 N Mashta Dr
– Key Biscayne –

Request information
JL Delbeke (One Sotheby’s Int. Realty)
Tel: +1 (305) 305.0660

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For Sale: 1095 Mariner Dr, Key Biscayne - Price: $22,500,000 For Sale: 1095 Mariner Dr, Key Biscayne - Price: $22,500,000

1095 Mariner Dr

– Key Biscayne –
Price: $22,500,000
Bedrooms: 7
Bathrooms: 6
Square Ft: 6333
For Sale: 1095 Mariner Dr, Key Biscayne - Price: $22,500,000

1095 Mariner Dr
– Key Biscayne –

Request information
JL Delbeke (One Sotheby’s Int. Realty)
Tel: +1 (305) 305.0660

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For Sale: 730 N Mashta Dr, Key Biscayne - Price: $7,795,000 For Sale: 730 N Mashta Dr, Key Biscayne - Price: $7,795,000

730 N Mashta Dr

– Key Biscayne –
Price: $7,795,000
Bedrooms: 6
Bathrooms: 6
Square Ft: 4225
For Sale: 730 N Mashta Dr, Key Biscayne - Price: $7,795,000

730 N Mashta Dr
– Key Biscayne –

Request information
JL Delbeke (One Sotheby’s Int. Realty)
Tel: +1 (305) 305.0660

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For Sale: 283 HARBOR COURT, Key Biscayne - Price: $6,990,000 For Sale: 283 HARBOR COURT, Key Biscayne - Price: $6,990,000

283 HARBOR COURT

– Key Biscayne –
Price: $6,990,000
Bedrooms: 6
Bathrooms: 6
Square Ft: 5531
For Sale: 283 HARBOR COURT, Key Biscayne - Price: $6,990,000

283 HARBOR COURT
– Key Biscayne –

Request information
JL Delbeke (One Sotheby’s Int. Realty)
Tel: +1 (305) 305.0660

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For Sale: 475 Harbor Dr, Key Biscayne - Price: $5,848,833 For Sale: 475 Harbor Dr, Key Biscayne - Price: $5,848,833

475 Harbor Dr

– Key Biscayne –
Price: $5,848,833
Bedrooms: 6
Bathrooms: 6
Square Ft: 4393
For Sale: 475 Harbor Dr, Key Biscayne - Price: $5,848,833

475 Harbor Dr
– Key Biscayne –

Request information
JL Delbeke (One Sotheby’s Int. Realty)
Tel: +1 (305) 305.0660

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For Sale: 116 W Mashta Dr, Key Biscayne - Price: $4,950,000 For Sale: 116 W Mashta Dr, Key Biscayne - Price: $4,950,000

116 W Mashta Dr

– Key Biscayne –
Price: $4,950,000 $250K
Bedrooms: 6
Bathrooms: 6
Square Ft: 3628
For Sale: 116 W Mashta Dr, Key Biscayne - Price: $4,950,000

116 W Mashta Dr
– Key Biscayne –

Request information
JL Delbeke (One Sotheby’s Int. Realty)
Tel: +1 (305) 305.0660

* Indicates required field.
For Sale: 264 Westwood Dr, Key Biscayne - Price: $4,795,000 For Sale: 264 Westwood Dr, Key Biscayne - Price: $4,795,000

264 Westwood Dr

– Key Biscayne –
Price: $4,795,000
Bedrooms: 5
Bathrooms: 5
Square Ft: 3814
For Sale: 264 Westwood Dr, Key Biscayne - Price: $4,795,000

264 Westwood Dr
– Key Biscayne –

Request information
JL Delbeke (One Sotheby’s Int. Realty)
Tel: +1 (305) 305.0660

* Indicates required field.
For Sale: 544 Allendale Rd, Key Biscayne - Price: $4,400,000 For Sale: 544 Allendale Rd, Key Biscayne - Price: $4,400,000

544 Allendale Rd

– Key Biscayne –
Price: $4,400,000
Bedrooms: 3
Bathrooms: 3
Square Ft: 1810
For Sale: 544 Allendale Rd, Key Biscayne - Price: $4,400,000

544 Allendale Rd
– Key Biscayne –

Request information
JL Delbeke (One Sotheby’s Int. Realty)
Tel: +1 (305) 305.0660

* Indicates required field.
For Sale: 299 W Mashta Dr, Key Biscayne - Price: $4,295,000 For Sale: 299 W Mashta Dr, Key Biscayne - Price: $4,295,000

299 W Mashta Dr

– Key Biscayne –
Price: $4,295,000
Bedrooms: 5
Bathrooms: 5
Square Ft: 3651
For Sale: 299 W Mashta Dr, Key Biscayne - Price: $4,295,000

299 W Mashta Dr
– Key Biscayne –

Request information
JL Delbeke (One Sotheby’s Int. Realty)
Tel: +1 (305) 305.0660

* Indicates required field.
For Sale: 735 Harbor Drive, Key Biscayne - Price: $4,199,000 For Sale: 735 Harbor Drive, Key Biscayne - Price: $4,199,000

735 Harbor Drive

– Key Biscayne –
Price: $4,199,000
Bedrooms: 5
Bathrooms: 5
Square Ft: 3683
For Sale: 735 Harbor Drive, Key Biscayne - Price: $4,199,000

735 Harbor Drive
– Key Biscayne –

Request information
JL Delbeke (One Sotheby’s Int. Realty)
Tel: +1 (305) 305.0660

* Indicates required field.
For Sale: 760 Glenridge Rd, Key Biscayne - Price: $3,995,000 For Sale: 760 Glenridge Rd, Key Biscayne - Price: $3,995,000

760 Glenridge Rd

– Key Biscayne –
Price: $3,995,000
Bedrooms: 6
Bathrooms: 6
Square Ft: 4142
For Sale: 760 Glenridge Rd, Key Biscayne - Price: $3,995,000

760 Glenridge Rd
– Key Biscayne –

Request information
JL Delbeke (One Sotheby’s Int. Realty)
Tel: +1 (305) 305.0660

* Indicates required field.
For Sale: 250 Greenwood Drive, Key Biscayne - Price: $3,790,000 For Sale: 250 Greenwood Drive, Key Biscayne - Price: $3,790,000

250 Greenwood Drive

– Key Biscayne –
Price: $3,790,000
Bedrooms: 5
Bathrooms: 4
Square Ft: 3297
For Sale: 250 Greenwood Drive, Key Biscayne - Price: $3,790,000

250 Greenwood Drive
– Key Biscayne –

Request information
JL Delbeke (One Sotheby’s Int. Realty)
Tel: +1 (305) 305.0660

* Indicates required field.
For Sale: 615 Harbor Cir, Key Biscayne - Price: $3,690,000 For Sale: 615 Harbor Cir, Key Biscayne - Price: $3,690,000

615 Harbor Cir

– Key Biscayne –
Price: $3,690,000
Bedrooms: 4
Bathrooms: 4
Square Ft: 2500
For Sale: 615 Harbor Cir, Key Biscayne - Price: $3,690,000

615 Harbor Cir
– Key Biscayne –

Request information
JL Delbeke (One Sotheby’s Int. Realty)
Tel: +1 (305) 305.0660

* Indicates required field.
For Sale: 270 Cypress Dr, Key Biscayne - Price: $3,250,000 For Sale: 270 Cypress Dr, Key Biscayne - Price: $3,250,000

270 Cypress Dr

– Key Biscayne –
Price: $3,250,000
Bedrooms: 6
Bathrooms: 4
Square Ft: 3001
For Sale: 270 Cypress Dr, Key Biscayne - Price: $3,250,000

270 Cypress Dr
– Key Biscayne –

Request information
JL Delbeke (One Sotheby’s Int. Realty)
Tel: +1 (305) 305.0660

* Indicates required field.
For Sale: 472 Woodcrest Rd, Key Biscayne - Price: $2,950,000 For Sale: 472 Woodcrest Rd, Key Biscayne - Price: $2,950,000

472 Woodcrest Rd

– Key Biscayne –
Price: $2,950,000
Bedrooms: 3
Bathrooms: 3
Square Ft: 2429
For Sale: 472 Woodcrest Rd, Key Biscayne - Price: $2,950,000

472 Woodcrest Rd
– Key Biscayne –

Request information
JL Delbeke (One Sotheby’s Int. Realty)
Tel: +1 (305) 305.0660

* Indicates required field.
New Houses for Sale in Key Biscayne ★ NEW HOUSES FOR SALE ★ View the list of all the New Houses for Sale over the last 90 days

Price Reduction of Luxury Houses for Sale in Key Biscayne

(Data last updated: Monday, December 11, 2023)
For Sale: 1020 Mariner Dr, Key Biscayne - Price: $18,900,000 For Sale: 1020 Mariner Dr, Key Biscayne - Price: $18,900,000

1020 Mariner Dr

– Key Biscayne –
Price: $18,900,000 $1.1M
Bedrooms: 5
Bathrooms: 6
Square Ft: 5760
For Sale: 1020 Mariner Dr, Key Biscayne - Price: $18,900,000

1020 Mariner Dr
– Key Biscayne –

Request information
JL Delbeke (One Sotheby’s Int. Realty)
Tel: +1 (305) 305.0660

* Indicates required field.
For Sale: 116 W Mashta Dr, Key Biscayne - Price: $4,950,000 For Sale: 116 W Mashta Dr, Key Biscayne - Price: $4,950,000

116 W Mashta Dr

– Key Biscayne –
Price: $4,950,000 $250K
Bedrooms: 6
Bathrooms: 6
Square Ft: 3628
For Sale: 116 W Mashta Dr, Key Biscayne - Price: $4,950,000

116 W Mashta Dr
– Key Biscayne –

Request information
JL Delbeke (One Sotheby’s Int. Realty)
Tel: +1 (305) 305.0660

* Indicates required field.
For Sale: 524 Ridgewood Rd, Key Biscayne - Price: $4,295,000 For Sale: 524 Ridgewood Rd, Key Biscayne - Price: $4,295,000

524 Ridgewood Rd

– Key Biscayne –
Price: $4,295,000 $205K
Bedrooms: 5
Bathrooms: 4
Square Ft: 3786
For Sale: 524 Ridgewood Rd, Key Biscayne - Price: $4,295,000

524 Ridgewood Rd
– Key Biscayne –

Request information
JL Delbeke (One Sotheby’s Int. Realty)
Tel: +1 (305) 305.0660

* Indicates required field.
For Sale: 200 W Mcintyre St, Key Biscayne - Price: $3,400,000 For Sale: 200 W Mcintyre St, Key Biscayne - Price: $3,400,000

200 W Mcintyre St

– Key Biscayne –
Price: $3,400,000 $75K
Bedrooms: 5
Bathrooms: 5
Square Ft: 3962
For Sale: 200 W Mcintyre St, Key Biscayne - Price: $3,400,000

200 W Mcintyre St
– Key Biscayne –

Request information
JL Delbeke (One Sotheby’s Int. Realty)
Tel: +1 (305) 305.0660

* Indicates required field.
For Sale: 675 Allendale Rd, Key Biscayne - Price: $2,985,000 For Sale: 675 Allendale Rd, Key Biscayne - Price: $2,985,000

675 Allendale Rd

– Key Biscayne –
Price: $2,985,000 $75K
Bedrooms: 5
Bathrooms: 3
Square Ft: 2537
For Sale: 675 Allendale Rd, Key Biscayne - Price: $2,985,000

675 Allendale Rd
– Key Biscayne –

Request information
JL Delbeke (One Sotheby’s Int. Realty)
Tel: +1 (305) 305.0660

* Indicates required field.
New reduced Prices Houses for Sale in Key Biscayne ★ NEW PRICE REDUCTION ★ View the list of all the New reduced Prices Houses for Sale over the last 90 days