Atlantic Luxury Advisors
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61 photos

524 Warren Ln

Key Biscayne, FL 33149

$3,730,000
5
4
2,700 sq ft
8,136 sq ft
1950
1 car
Single Family Residence
143
Active

Listing courtesy of Serhant (Fabrice Ernandes). Contact: [email protected].

About this home

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+.

What it costs to own
Estimated monthly payment
$26,878/mo
Principal and interest
$18,861
Property tax
$5,684
Homeowners insurance
$2,333
HOA(not in the listing)
$0

An estimate, not a loan offer. The rate and insurance are assumptions to edit with your own quotes; Florida insurance varies widely by age, construction and distance to the coast. Flood insurance and PMI are not included.

Florida cost of ownership
Estimated property tax
$68,206/yr

Estimate: the price times the Miami-Dade County average total millage (18.49 mills, Florida Department of Revenue, 2025 average total millage by county), less the homestead exemptions. The actual bill depends on the city, the assessed value and special assessments. Save Our Homes then caps annual assessment increases at 3% or inflation, whichever is lower.

HOA
Not stated in the listing; ask us
FEMA flood zone
Zone AE, special flood hazard area

Inside the 1% annual chance floodplain. Lenders require flood insurance on a financed home; ask for the elevation certificate.

Hurricane evacuation zone
Zone A: first to evacuate, ordered for tropical storms and every hurricane category.

Sources: FEMA National Flood Hazard Layer and the Florida Division of Emergency Management evacuation zones, looked up at the listing point. Confirm with an elevation certificate and your insurer.

Location

Listing data provided by the Southeast Florida Multiple Listing Service (MIAMI REALTORS®). The data is deemed reliable but is not guaranteed accurate by the MLS. IDX information is provided exclusively for consumers' personal, non-commercial use, may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and is deemed reliable but is not guaranteed accurate by the MLS. Atlantic Luxury Advisors is a real estate team at Keller Williams Realty. Payment, tax and flood figures on this page are estimates by Atlantic Luxury Advisors, not MLS data.