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103 Reef Lane Key Biscayne FL 33149 | MLS #A12123404

103 Reef Lane
Key Biscayne, FL, 33149
$10,700,000
7 Beds
5.5 Baths
4,997 SqFt
0.2 Acres
MLS #A12123404 image #0
Experience the best of Key Biscayne living at Villa 103, a beautifully designed 7-bedroom, 5.5-bath residence offering 4,997 SF of living space within the exclusive Oceana beachfront community. Combining the privacy and comfort of a single-family home with the convenience of resort-style living. This exceptional villa features high ceilings, a beautifully redesigned living room, a separate family room or office, formal and casual dining areas, and a contemporary kitchen. Thoughtful upgrades throughout the residence include custom millwork, upgraded interior doors, built-ins, carefully designed lighting, and much more creating a sophisticated yet welcoming atmosphere. Expansive outdoor terraces, a private pool, and a dedicated BBQ area surrounded by lush tropical landscaping create the perfect setting for entertaining or simply enjoying Miami’s year-round sunshine. Just moments from your front door, enjoy direct beach access with dedicated service, resort-style pools, a state-of-the-art fitness center and spa, a tennis court, a private restaurant, and an exceptional collection of amenities. A rare opportunity to enjoy the space and privacy of a home with the effortless lifestyle of one of the island’s most desirable beachfront communities.
Listing Provided Courtesy of One Sotheby’s International Realty at 305-365-2811

Property Details

Price:
$10,700,000
MLS #:
A12123404
Status:
Active
Beds:
7
Baths:
5.5
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
OCEANA KEY BISCAYNE CONDO
Neighborhood:
2420
Listed Date:
Nov 12, 2026
Finished Sq Ft:
4,997
Total Sq Ft:
4,997
Lot Size:
378,972,000 sqft / 0.20 acres (approx)
Year Built:
2014
ContemporaryWaterfrontPoolTennisCommunity GatedOceana Key Biscayne CondoKey Biscayne K-8Ponce De LeonCoral GablesOtherPets Allowed

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Schools

Elementary School:
Key Biscayne K-8
Middle School:
Ponce De Leon
High School:
Coral Gables

Interior

Appliances
Dishwasher, Disposal, Dryer, Electric Range, Ice Maker, Microwave, Refrigerator, Washer
Bathrooms
5 Full Bathrooms, 1 Half Bathroom
Cooling
Central Air, Electric
Flooring
Marble, Wood
Heating
Central, Electric
Interior Features
Built-in Features, Closet Cabinetry, Entrance Foyer, Kitchen Island, Walk-In Closet(s)
Levels
Two

Exterior

Architectural Style
Contemporary
Association Amenities
Security, Gated, Pool, Fitness Center, Sauna, Sidewalks, Spa/Hot Tub, Tennis Court(s), Other
Construction Materials
CBS
Covered Spaces
4
Direction Faces
West
Exterior Features
Balcony, Barbecue, Built-in Barbecue
Fencing
Fenced
Parking Features
Attached Carport, Carport, Covered, Driveway, Electric Vehicle Charging Station(s), Golf Cart Garage
Patio And Porch Features
Porch – Open, Porch, Patio
Roof
Concrete
Security Features
Security Patrol, Smoke Detector(s)
View
Other
Waterfront Features
Other, Deeded Beach Access
Window Features
Blinds

Financial

HOA Fee
$9,718
HOA Fee Frequency
Monthly
HOA Includes
Recreation Facility, Common Areas, Maintenance Grounds, Security, Trash
Tax Year
2025
Taxes
$102,104

Map

Community

Subdivisions in Key Biscayne

Market Summary

Current real estate data for Single Family in Key Biscayne as of Nov 14, 2026
47
Single Family Listed
143
Avg DOM
2,682
Avg $ / SqFt
$14,182,574
Avg List Price

Property Summary

    Located in the OCEANA KEY BISCAYNE CONDO subdivision, 103 Reef Lane Key Biscayne FL is a Single Family for sale in Key Biscayne, FL, 33149. It is listed for $10,700,000 and features 7 beds, 6 baths, and has approximately 4,997 square feet of living space, and was originally constructed in 2014. The current price per square foot is $2,141. The average price per square foot for Single Family listings in Key Biscayne is $2,682. The average listing price for Single Family in Key Biscayne is $14,182,574.

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103 Reef Lane
Key Biscayne, FL