House for Sale
$3,730,000
5 bd · 4 ba · 2,700 sqft
524 Warren Ln, Key Biscayne, FL 33149
TROPICAL ISLE HOMES SUB 1
Key Biscayne, FL 33149 · MLS# A12082121 · Active · TROPICAL ISLE HOMES SUB 4
Rare opportunity to own a 7,500 SF lot on coveted Harbor Drive, one of Key Biscayne’s most desirable residential streets. An exceptional homesite to build your dream island residence and create a custom home tailored to your lifestyle. The property currently features a classic Mackle home with 3 bedrooms, 2 baths, office/den, spacious garage, pool, outdoor entertaining area and lush tropical landscaping. Enjoy the existing home, renovate, or build new and take full advantage of this prime location. Moments from highly regarded public and private schools, beautiful beaches, parks, dining, shopping and recreational amenities. A coveted address offering the very best of Key Biscayne island living.
School assignments are provided by the listing and should be independently verified.
Estimate only — actual rates, taxes and insurance vary. Not a loan offer or financial advice. Financing through Matthew Gromadzki, NMLS #2560919 · Innovative Mortgage Services, Inc., NMLS #250769.
119 Harbor Dr, Key Biscayne, FL 33149 · See all Key Biscayne homes for sale
119 Harbor Dr is a single family home for sale in Key Biscayne, FL 33149. This property was listed for sale on September 2, 2026 by Fortune Christie's International Real Estate, it's currently listed at $3,300,000. This listing's school district is Miami-Dade County Public Schools. Nearby schools include Keybiscayne and Mast Academy. 119 Harbor Dr is a 3-bed, 2-bath, 1,554 sqft single family home built in 1953.