StephanieDel Los Rios, PA
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360 Harbor Ln , Key Biscayne, FL 33149

$9,950,000
  • 360 Harbor Ln , Key Biscayne, FL 33149 Main Photo

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New to the Market Active
BEDS6 BATHS5 full 1 partial SQUARE FEET4,341 MLS#A12104430
STATUSActive PROPERTY TYPEResidential - Single Family SUBDIVISIONBISCAYNE KEY ESTATES

Property Description

Discreetly set in the heart of Key Biscayne ? one of Miamis 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 chefs 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 homes expansive glass walls, particularly after sunset. Integrated sound and four AC units complete this exceptional offering.

360 Harbor Ln | MLS# A12104430

This single family home located at 360 Harbor Ln , Key Biscayne, FL 33149 is currently listed for sale with an asking price of $9,950,000. This property was built in 2025 and has 6 bedrooms and 5 full and 1 partial baths with 4341 sq. ft. Harbor Ln is located in the BISCAYNE KEY ESTATES subdivision. Search BISCAYNE KEY ESTATES real estate on sdelosrios.realty100.com today.

Property Features

Property Type: Residential - Single Family
Cooling: Central Air, Electric
Heating: Central, Electric
Home Style: Detached, Two Story, Modern/Contemporary
Lot Size: 0.21 Acres
Roof Type: Flat Tile
Taxes: $31,314
Year Built: 2025

Amenities

First Floor Entry
Built-in Features
Closet Cabinetry
Entrance Foyer
Other
Volume Ceilings
Walk-In Closet(s)
Den/Library/Office
Family Room
Maid/In-Law Quarters
Utility Room/Laundry
Built-In Grill
Lighting
Open Balcony

Feature Descriptions

Appliances: Dishwasher, Disposal, Dryer, Electric Range, Microwave, Other Equipment/Appliances, Water Purifier, Refrigerator, Wall Oven, Washer
Community Features: None
Crops Included Y/N: No
Door Features: High Impact Doors
Exterior: Concrete Block Construction, Other
Flooring: Marble, Wood
Home Warranty Y/N: No
Laundry: Utility Room/Laundry
Lease Considered Y/N: No
Listing Terms: All Cash, Conventional
Lot: Less Than 1/4 Acre Lot
Parcel#: 24-52-05-001-1490
Parking: Attached Carport, Driveway, Paver Block
Parking Notes: Attached Carport, Driveway, Paver Block
Patio/Porch: Deck, Open Balcony
Pool: In Ground, Heated
Property Attached Y/N: No
Property Sub-Type: Single Family Residence
Sewer: Public Sewer
Special View Info: Garden, Pool
Water: Municipal Water
Window: Clear Impact Glass, Complete Impact Glass, Blinds, High Impact Windows, Impact Glass

Local Schools

High School: Coral Gables
Middle School: Ponce De Leon
Elementary School: Keybiscayne

Listed By / Shown By

Listed By

Agency Name: Coldwell Banker Realty
Agency Phone: 786-472-4024

Shown By

Agent Name: Stephanie Del Los Rios, PA
Agent Phone: (954) 299-0306
Agency Title: Realty 100

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Estimated Payment

$ 27,655.97 per month $22,144.39 Principal & Interest $2,609.50 Property Tax $2,902.08 Homeowner's Insurance

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Disclaimer: All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided 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. Information on this site was last updated 10/20/2026. The listing information on this page last changed on 10/20/2026. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of Delta Media Group MLS (last updated Tue 10/20/2026 12:12:23 AM EST) or Miami MLS (last updated Tue 10/20/2026 12:09:04 AM EST) or Stellar MLS (last updated Mon 10/19/2026 11:56:21 PM EST) or Beaches MLS (last updated Tue 10/20/2026 12:07:48 AM EST). Real estate listings held by brokerage firms other than Realty 100 may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS. All rights reserved.
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