Homes in Key Biscayne

360 Harbor Ln

360 Harbor Ln, Key Biscayne FL 33149

Presented by Christopher Johnson, Broker, Johnson Homes LLC

Price
$9,950,000
Bedrooms
6
Baths
6
Interior
4,341 sq ft
Taxes
$31,314 a year
Year built
2025
MLS
A12104430
Schedule a Private Showing
360 Harbor Ln, Key Biscayne

About the Home

Discreetly set in the heart of Key Biscayne — one of Miami’s most coveted island communities — this elegant modern two-story residence offers 5,156 SF of total space on a lush 9,300 SF lot with 6 bedrooms, 5.5 bathrooms, and a private office, perfectly balancing refined design with the relaxed island lifestyle. A travertine staircase entry and wrap-around porch with modern glass railings set a sophisticated tone, leading inside to soaring ceilings, herringbone oak floors by Listone Giordano, floor-to-ceiling sliding doors, and Lutron lighting. The open-concept living, dining, and family areas flow seamlessly to the outdoors. The chef’s kitchen showcases a striking fluted marble island with curved-edge countertops, floor-to-ceiling cabinetry by Design It, and a full Wolf and Sub-Zero appliance suite. The primary suite features a private terrace, dual custom walk-in closets, a dry sauna, and a show-stopping bath with aquamarine quartzite sourced from ARCA, dual Waterworks vanities, and a frameless glass shower. Outside, a covered terrace with fluted wood-paneled ceiling, summer kitchen with built-in grill and pizza oven, and a heated saltwater pool with marble deck and Baja ledge create the ultimate island retreat. Professionally designed landscaping and enchanting exterior uplighting illuminate the lush gardens, creating picturesque views through the home’s expansive glass walls, particularly after sunset. Integrated sound and four AC units complete this exceptional offering.

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Listing courtesy of Coldwell Banker Realty. The multiple listing information is provided by the MIAMI REALTORS® MLS from a copyrighted compilation of listings. The compilation of listings and each individual listing are © MIAMI REALTORS® MLS. All rights reserved. The information provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. All properties are subject to prior sale or withdrawal. All information provided is deemed reliable but is not guaranteed accurate, and should be independently verified. Data last updated October 19, 2026 at 1:23 PM ET.