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Beaches Multiple Listing ServiceNational Association of RealtorsEqual Housing Opportunity

Listing data: BeachesMLS. Information not verified for authenticity or accuracy and not guaranteed; may not reflect all real estate activity in the market. © 2026 Beaches Multiple Listing Service, Inc. All rights reserved. Information Not Guaranteed and Must Be Confirmed by End User.

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  1. Home›
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  3. Key Biscayne›
  4. 544 Warren Lane, Key Biscayne, FL 33149

Key Biscayne · FL

544 Warren Lane, Key Biscayne, FL 33149

Key Biscayne, FL 33149

Status: ActiveHouse · Single Family Residence1,044 sqftBuilt in: 2026DOM: 2455+HOPA

Price

$8,000,000

Price per sqft: $7,663/sqft

6

Bedrooms

6

Baths

1,044

SqFt

Active
544 Warren Lane, Key Biscayne, FL 33149

MLS® ID: A12079811

About this home in Key Biscayne

An exceptional find, this turnkey Single Family Residence configured with 6 bedrooms and 6 baths set in Key Biscayne, Florida, delivering 1,044 sq ft of thoughtfully planned interior. The home sits on a 0.18-acre lot, with total building area of 2,229 sq ft. Views include Garden and Pool. A private pool offers In Ground. The property also includes a spa. Outside, the property offers Built-in Barbecue. Inside, you'll find Vaulted Ceiling(s) and Walk-In Closet(s). Floors are finished in Marble and Wood. The home is served by Central Air and Electric cooling and Electric heating. The home features Block construction with a Southeast-facing exposure under a Concrete roof. Located in Tropical Isle Homes Sub. No HOA fees apply. Currently active on the market; classified as new construction; within a 55+ community; offered furnished; 51 days on market. Annual property taxes for the current owner run about $29,546. Offered at $8,000,000 (~$7,663/sqft). The seller accepts Cash, Conventional, and Owner Will Carry.

6

Bedrooms

6

Baths

1,044

SqFt

House

Type

Explore more

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Listing courtesy of Duncan Studio Real Estate Division PLLC. Information is deemed reliable but not guaranteed. © BeachesMLS.

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▲769% above market
+769%

This listing: $7663/sqft · Area median: $882/sqft

Based on 12 recent sales in ZIP 33149 (last 90 days)

Est. payment

$45,915/mo

Principal & interest
$40,452
Property taxes
$2,462
Home insurance
$3,000
HOA fees
N/A

Utilities not included

Calculations are estimates only and not a loan commitment. Taxes, insurance, rates and APR may vary. Final approval depends on lender review.

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