105 Reef Ln Key Biscayne FL 33149 MLS #A12012394
105 Reef Ln
Key Biscayne, FL, 33149
$10,500,000
7 Beds
5.5 Baths
5,000 SqFt
0 Acres
$10,500,000
105 Reef Ln
Key Biscayne, FL, 33149
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Introducing Villa 5, a truly one-of-a-kind residence within Oceana Key Biscayne, an exclusive collection of just 12 private villas designed by Arquitectonica. This 7-bedroom, 5.5-bath home including maid’s quarters, plus office spans 5,187 SF and sits on a prime cul-de-sac corner lot of 11,000 SF, offering the privacy of a single-family estate with world-class beachfront resort living. Villa 5 is uniquely positioned with features no other villa offers. It is the only residence equipped with a 50 KW commercial-grade diesel generator with Automatic Transfer Switch, capable of seamlessly powering the entire home. It also features the only private rear gate with direct access to Sonesta Drive, enhancing both privacy and convenience. Additionally, it boasts the largest driveway in the community, comfortably accommodating 6+ vehicles, an exceptional and rare feature. Outdoor spaces are thoughtfully curated for both relaxation & entertaining, with lush landscaping, a serene pergola retreat, and an extended pool area featuring an outdoor BBQ and sink, perfect for al fresco dining. Interiors are filled with natural light and offer a seamless indoor-outdoor flow, embodying refined coastal living. Residents enjoy over 500′ of private beach, resort-style pools, beach service, on-site dining, tennis, a state-of-the-art fitness center, and spa amenities. A rare opportunity to own a truly unmatched villa in Key Biscayne, offering exclusivity, privacy, and features that cannot be replicated.

Property Details

Price:
$10,500,000
MLS #:
A12012394
Status:
Active
Beds:
7
Baths:
5.5
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
OCEANA KEY BISCAYNE CONDO,Oceana Key Biscayne
Neighborhood:
oceanakeybiscaynecondo
Listed Date:
May 4, 2026
Finished Sq Ft:
5,000
Total Sq Ft:
5,000
Year Built:
2014
WaterfrontOceanfrontPoolCommunity GatedOceana Key Biscayne CondoOceanakeybiscaynecondoOceana Key Biscayne Condo,oceana Key BiscayneAssoc Approval Required,ok To LeaseRestrictions Or Possible Restrictions

Schools

Interior

Appliances
Dishwasher, Disposal, Dryer, Electric Water Heater, Ice Maker, Microwave, Electric Range, Refrigerator, Self Cleaning Oven, Wall Oven, Washer, Water Softener Owned
Bathrooms
5 Full Bathrooms, 1 Half Bathroom
Cooling
Central Air
Flooring
Ceramic Floor, Wood
Heating
Central
Interior Features
First Floor Entry, Built-in Features, Closet Cabinetry, Cooking Island, Entrance Foyer, Volume Ceilings, Walk-In Closet(s), Den/Library/Office, Family Room, Maid/In-Law Quarters, Storage, Utility Room/Laundry
Laundry Features
Utility Room/Laundry

Exterior

Architectural Style
Detached, Two Story
Community Features
Additional Amenities, Gated, Pool, Exercise Room, Gated Community, Management On Site, Sauna, Spa/Hot Tub
Construction Materials
CBS Construction
Covered Spaces
6
Direction Faces
East
Exterior Features
Built-In Grill, Lighting, Open Balcony
Fencing
Fenced
Lot Features
Less Than 1/4 Acre Lot
Open Parking YN
1
Parking Features
Attached Carport, Covered, Driveway, Electric Vehicle Charging Station(s)
Patio And Porch Features
Awning(s), Open Balcony, Patio
Roof
Concrete
Security Features
Smoke Detector
Spa Features
Community
View
Garden, Pool
Waterfront Features
Ocean Access, Ocean Front

Financial

HOA Fee
$9,725
HOA Fee Frequency
Monthly
Tax Year
2025
Taxes
$102,579
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Current real estate data for Single Family in Key Biscayne as of May 30, 2026
57
Single Family Listed
175
Avg DOM
2,523
Avg $ / SqFt
$13,537,456
Avg List Price

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Property Summary

    Located in the OCEANA KEY BISCAYNE CONDO,Oceana Key Biscayne subdivision, 105 Reef Ln Key Biscayne FL is a Single Family for sale in Key Biscayne, FL, 33149. It is listed for $10,500,000 and features 7 beds, 6 baths, and has approximately 5,000 square feet of living space, and was originally constructed in 2014. The current price per square foot is $2,100. The average price per square foot for Single Family listings in Key Biscayne is $2,523. The average listing price for Single Family in Key Biscayne is $13,537,456.
105 Reef Ln
Key Biscayne, FL