House for Sale
$4,899,000
5 bd · 5.5 ba · 4,220 sqft
Key Biscayne, FL 33149 · MLS# A11999112 · Active · TROPICAL ISLE HOMES SUB 1
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+.
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.
524 Warren Ln, Key Biscayne, FL 33149 · See all Key Biscayne homes for sale
House for Sale
$4,899,000
5 bd · 5.5 ba · 4,220 sqft
House for Sale
$3,550,000
4 bd · 3 ba · 2,177 sqft
TROPICAL ISLE HOMES SUB 4
House for Sale
$4,500,000
4 bd · 3 ba · 2,689 sqft
TROPICAL ISLE HOMES SUB 1
House for Sale
$3,800,000
4 bd · 4 ba · 3,403 sqft
BISCAYNE KEY ESTATES
House for Sale
$3,300,000
3 bd · 2 ba · 1,554 sqft
TROPICAL ISLE HOMES SUB 4
524 Warren Ln is a single family home for sale in Key Biscayne, FL 33149. This property was listed for sale on April 10, 2026 by Serhant, it's currently listed at $3,730,000. This listing's school district is Miami-Dade County Public Schools. Nearby schools include Keybiscayne, Ponce De Leon and Coral Gables. 524 Warren Ln is a 5-bed, 4-bath, 2,700 sqft single family home built in 1950.