360 Harbor Ln, Key Biscayne, FL 33149

Key Biscayne
Local realty services provided by:Better Homes and Gardens Real Estate Florida 1st
360 Harbor Ln,Key Biscayne, FL 33149
$9,950,000
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  • 6 Beds
  • 6 Baths
  • 4,341 sq. ft.
  • Single family
  • Active
Listed by: judith zeder, daniel hertzberg
Office: coldwell banker realty786-472-4024
MLS#:A12104430
Source:SEFMLS

Price summary

  • Price:$9,950,000
  • Price per sq. ft.:$1,929.79

About this 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...

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Home facts

  • Year built:2025
  • Subdivision & Development:BISCAYNE KEY ESTATES
  • Listing ID #:A12104430
  • Updated:October 23, 2026 at 07:53 PM

Rooms and interior

  • Bedrooms:6
  • Total bathrooms:6
  • Full bathrooms:5
  • Half bathrooms:1
  • Flooring:Hardwood, Marble, Wood
  • Dining Description:Dining Area, Kitchen/Dining Combo, Living/Dining Room, Separate Formal Dining Room
  • Bathrooms Description:Dual Sinks
  • Kitchen Description:Built In Oven, Dishwasher, Disposal, Electric Range, Kitchen/Dining Combo, Microwave, Refrigerator, Water Purifier
  • Bedroom Description:Upper Level Primary, Walk-In Closets
  • Living area:4,341 sq. ft.

Heating and cooling

  • Cooling:Central Air, Electric
  • Heating:Central, Electric
  • Central air:Yes

Structure and exterior

  • Roof:Flat, Tile
  • Year built:2025
  • Building area:4,341 sq. ft.
  • Lot area:0.21 Acres
  • Lot Features:Flood Zone, Sprinkler System, Sprinklers Automatic
  • Architectural Style:Contemporary/Modern, Detached, Two Story
  • Construction Materials:Block
  • Exterior Features:Balcony, Deck, Open, Outdoor Grill, Security High Impact Doors
  • Levels:2 Story

Schools

  • High school:Coral Gables
  • Middle school:Ponce De Leon
  • Elementary school:Keybiscayne

Utilities

  • Water:Public
  • Sewer:Public Sewer

Finances and disclosures

  • Price:$9,950,000
  • Price per sq. ft.:$1,929.79
  • Tax amount:$31,314 (2025)

Features and amenities

  • Appliances:Built-In Oven, Dishwasher, Disposal, Dryer, Electric Range, Microwave, Refrigerator, Washer, Water Purifier
  • Laundry features:Dryer, Washer
  • Amenities:Balcony, Blinds, Closet Cabinetry, High Ceilings, Impact Glass Windows, Lighting
  • Pool features:Heated, In Ground, Pool

Parking

  • Parking description:2 Carport Space(s), Attached Carport, Driveway, Paver Block
  • Carport spaces:2
Information deemed reliable but not guaranteed. Information is provided, in part, by Greater Miami MLS. This information being provided is for consumer's personal, non-commercial use and may not be used for any other purpose other than to identify prospective properties consumers may be interested in purchasing.

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