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ActiveFor sale

524 Warren Ln, Key Biscayne FL 33149, Key Biscayne

$3,730,000

Key Biscayne, FL, 33149

524 Warren Ln, Key Biscayne FL 33149 — photo 1
524 Warren Ln, Key Biscayne FL 33149 — photo 2524 Warren Ln, Key Biscayne FL 33149 — photo 3524 Warren Ln, Key Biscayne FL 33149 — photo 4524 Warren Ln, Key Biscayne FL 33149 — photo 5524 Warren Ln, Key Biscayne FL 33149 — photo 6524 Warren Ln, Key Biscayne FL 33149 — photo 7524 Warren Ln, Key Biscayne FL 33149 — photo 8524 Warren Ln, Key Biscayne FL 33149 — photo 9524 Warren Ln, Key Biscayne FL 33149 — photo 10524 Warren Ln, Key Biscayne FL 33149 — photo 11524 Warren Ln, Key Biscayne FL 33149 — photo 12

Property details

Bedrooms
5
Bathrooms
4
Living area
2,700 sqft
Year built
1950
Type
Single Family Residence
Days on market
102
MLS #
A11999112

Listing courtesy of Serhant · 646-480-7665. Listing agent: Fabrice Ernandes. MLS data last updated 2026-07-21.

Description

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+.

524 Warren Ln, Key Biscayne FL 33149, Key Biscaynefor sale, listed for $3,730,000 (5 bed, 4 bath, 2,700 sqft).

33 5+ bed listings for sale in key biscayne · median $8,250,000.

Local market report

Run the numbers

Current market segment

Right now: 33 active 5+ bed listings for sale in key biscayne, median asking price $8,250,000, median $1,988/sqft.

n=33 · 2026-07-28 · Methodology

Observed price & status history

Asking price reduced from $3,850,000 to $3,730,000.

Closest-priced alternatives

The 2 active listings closest in price within the same market segment:

Price-reduction climate

33% of 33 active 5+ bed listings for sale in key biscayne are listed below their original asking price.

n=33 · 2026-07-28 · Methodology

Market intelligence recomputed weekly from the full live MLS feed · 2026-07-28 · Methodology

The data relating to real estate listings on this website comes in part from the participating MLS via Bridge API. Information is deemed reliable but not guaranteed and should be independently verified. Listings are provided for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties.