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524 Warren Ln, 
Key Biscayne, FL 33149

$3,850,000

5

Beds

4

Baths

2,700

Sq Ft

Single Family

Virtual Tour

Active

Listed by

Fabrice Ernandes

Serhant

646-480-7665

Last updated:

May 7, 2026, 09:55 AM

MLS#

A11999112

Source:

SEFMLS

About This Home

524 Warren Ln

Located in one of the most exclusive residential pockets of Key Biscayne, surrounded by multi-million-dollar estates, this beautifully designed 5-bedroom, 4 full bathroom home offers the perfect balance of privacy, functionality, and tropical lifestyle. The layout is thoughtfully distributed with a private primary suite on one side, a separate nanny/guest suite with its own bathroom, and a dedicated wing for the children’s bedrooms—ideal for both family living and entertaining. Just steps from top-rated schools and only 10 minutes from the beach, the property features a stunning outdoor space with a resort-style pool and a charming tiki bar, creating the ultimate South Florida oasis. A rare opportunity to own in a highly sought-after neighborhood where surrounding homes reach $10M+.

Home Facts

Single Family

4 Baths

5 Bedrooms

Built in 1950

Price Summary

3,850,000

$1,425 per Sq. Ft.

MLS #:

A11999112

Last Updated:

May 7, 2026, 09:55 AM

Rooms & Interior

Bedrooms

Total Bedrooms:

5

Bathrooms

Total Bathrooms:

4

Full Bathrooms:

4

Interior

Living Area:

2,700 Sq. Ft.

Structure

Structure

Building Area:

2,740 Sq. Ft.

Year Built:

1950

Lot

Lot Size (Sq. Ft):

8,136

Finances & Disclosures

Finances

Price:

$3,850,000

Price per Sq. Ft:

$1,425 per Sq. Ft.

Source:SEFMLS
Information deemed reliable but not guaranteed. Information is provided, in part, by Greater Miami MLS. This information being provided is for consumer's personal, non-commercial use and may not be used for any other purpose other than to identify prospective properties consumers may be interested in purchasing.

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Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.