524 Warren Ln, Key Biscayne FL 33149, Key Biscayne
$3,730,000
Key Biscayne, FL, 33149












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 Biscayne — for 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
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