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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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  4. 360 Harbor Lane, Key Biscayne, FL 33149

Key Biscayne · FL

360 Harbor Lane, Key Biscayne, FL 33149

Key Biscayne, FL 33149

Status: ActiveHouse · Single Family Residence4,341 sqftBuilt in: 2025

Price

$9,950,000

Price per sqft: $2,292/sqft

6

Bedrooms

6

Baths

4,341

SqFt

Active
360 Harbor Lane, Key Biscayne, FL 33149

MLS® ID: A12104430

About this home in Key Biscayne

An exceptional find, this luxurious 6-bedroom Single Family Residence with 6 baths ideally positioned in Key Biscayne, FL, spanning 4,341 sq ft of interior living area. The home features Contemporary architecture with Block construction with a Northeast-facing exposure under a Flat and Tile roof. The home sits on a 0.21-acre lot with dimensions of 9300, with total building area of 5,156 sq ft. Inside, you'll find Built-in Features, Entrance Foyer, High Ceilings, Walk-In Closet(s), and Closet Cabinetry. Underfoot, the home offers Marble and Wood. Climate is managed via Central Air and Electric cooling and Central and Electric heating. Views include Garden and Pool. A private pool offers Heated and In Ground. Exterior features: Built-in Barbecue, Lighting, and Balcony. Part of Biscayne Key Estates. Currently active on the market; pets allowed; 0 days on market. No HOA fees apply. Annual property taxes for the current owner run about $31,314. Listed at $9,950,000 (~$2,292/sqft). The seller accepts Cash and Conventional.

6

Bedrooms

6

Baths

4,341

SqFt

House

Type

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More homes in Biscayne Key Estates

Listing courtesy of Coldwell Banker Realty. Information is deemed reliable but not guaranteed. © BeachesMLS.

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▲28.8% above market
+28.8%

This listing: $2292/sqft · Area median: $1780/sqft

Based on 6 recent sales in ZIP 33149 (last 90 days)

Est. payment

$56,653/mo

Principal & interest
$50,313
Property taxes
$2,610
Home insurance
$3,731
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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