Home in 360 Harbor Lane, Key Biscayne, FL 33149 for sale with MLS# A12104430
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.
360 Harbor Lane, Key Biscayne, FL 33149
- Price:
- $9,950,000.00
- Original List Price:
- $9,950,000.00
- List Price per Sq Ft (Calculated, Approx.):
- $2,292.09
- Listing Type:
- For Sale
- Status:
- Active
- Listing Category:
- Residential
- Property Type:
- Single Family House
- Description of Last Important Update:
- New Listing
- Last Major Update on:
- October 19, 2026 4:00 am
- Other Special Conditions:
- Property Survey Available
- Bedrooms:
- 6
- Bathrooms Total:
- 6
- Full Bath:
- 5
- Half Bath:
- 1
- Room Type:
- Laundry, Other, Family Room, Den, Maid/in-law Quarters
- Master Bedroom Bath:
- Master Bdrm - Sitting, Master Bdrm - Upstairs, Separate Shower, Dual Sinks, Master Bdrm - Ground
- Dining Area:
- Formal Dining, Kitchen Dining, Dining/Living Room
- Living Area:
- 4,341 Sqft
- Built-Up Area:
- 5,156 Sqft
- Lot Area:
- 9,300 Sqft
- Lot Size Dimensions and Info:
- 9300
- Lot Size Acres:
- 0.21
- View from the Property:
- Pool, Garden
- Waterfront:
- No
- Private Pool
- Swimming Pool Features:
- Heated, In Ground
- Furnished:
- Unfurnished
- Appliances:
- Dryer, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Other, Electric Range, Water Purifier, Oven
- Interior:
- High Ceilings, Walk-In Closet(s), Closet Cabinetry, Entrance Foyer, Built-in Features, Other
- Exterior:
- Balcony, Lighting, Built-in Barbecue
- Patio and Porch:
- Deck
- Windows:
- Blinds
- Air Conditioning
- Air Conditioning System:
- Central Air, Electric
- Heating
- Heating System:
- Central, Electric
- Property Entrance Faces:
- Northeast
- Other Equipment:
- Other
- Unit Description:
- Studio
- Balcony Details:
- Balcony - Open
- Storm Protection Impact Glass:
- Complete
- Sprinkler Description:
- Auto Sprinkler, City Sprinkler System
- Year Built:
- 2025
- Roof:
- Flat, Tile
- Architectural Style:
- Contemporary
- Levels:
- Two
- Entry Level (floor):
- 1
- Construction Materials:
- Block, Other
- Flooring:
- Wood, Marble
- Number of stories:
- 2
- Flood Zone Code:
- AE
- Property Condition:
- Resale
- Tax Annual Amount:
- $31,314.00
- Tax Year:
- 2025
- Property Tax Details:
- City/County, Tax Reflects No Exemptions
- Garage Spaces:
- 0
- Carport Spaces:
- 2
- Covered Spaces:
- 2
- Parking Features:
- Driveway, Paver Block, Attached Carport, Carport
- Carport
- Sewer:
- Public Sewer
- Water Source:
- Public
- Pets Allowed?
- Subdivision Name:
- BISCAYNE KEY ESTATES
- Senior Community:
- No
- Restrictions:
- No Restrictions
- Listing Terms Considered by Seller:
- Cash, Conventional
- Buyer Possession:
- Negotiable
- Tax Legal Description:
- 5 & 6 55 42 BISCAYNE KEY ESTS PB 50-61 LOT 3 BLK 10 LOT SIZE 8000 SQ FT OR 12488-3411 0485 4 COC 24947-2228 09 2006 5
- Real Estate Folio Number (Parcel Number):
- 2452050011490
- Zoning:
- 0100
- Elementary School:
- Key Biscayne K-8
- High School:
- Coral Gables
- Middle Or Junior School:
- Ponce De Leon
- Active on the market since:
- October 19, 2026
- Listing Agreement executed on:
- October 19, 2026
- Listing Status Last Changed On:
- October 19, 2026 4:00 am
- Photos updated on:
- October 19, 2026 2:00 pm
- Last Modified:
- October 19, 2026 3:07 pm
- Courtesy of:
- Coldwell Banker Realty
- Attribution:
- Not provided
- Street Name:
- Harbor
- Street Number:
- 360
- City:
- Key Biscayne
- State:
- Florida
- Zip Code:
- 33149
- County:
- Miami-Dade
- Latitude:
- N25° 41' 18.8''
- Longitude:
- W81° 49' 40.9''
- Street Suffix:
- Lane

Want to schedule an in-person or virtual tour? Have questions?
Want to schedule an in-person or virtual tour? Have questions?
Schedule a Tour or Ask a Question
Neighborhood Stats
Source: U.S. Census Bureau, ACS 5-Year Estimates
Ver la propiedad 360 Harbor Lane, Key Biscayne, FL 33149