105 Reef Lane Key Biscayne, FL $ 10,500,000
105 Reef Lane
$ 10,500,000
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105 Reef Lane

Key Biscayne, FL, 33149
$ 10,500,000
Bedrooms7 Baths5.1 Sq 5,000

Monthly Estimate*

$ 64,650

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Single Family Home for sale in Key Biscayne, FL

for $10,500,000 with 7 bedrooms and 5 full baths, 1 half bath. This 5,000 square foot home was built in 2014 on a lot size of 0.25.

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.

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Single Family Active

Price

$ 10,500,000

Bedrooms

7

Full Bath

5

Half Bath

1

Property Type

Single Family

Taxes

$ 102,579

Style

Lot Size

0.25

Year Built

2014

Town/City

Key Biscayne

County/Region

Miami-Dade

MLS | Web ID

A12012394

Features
General
Sewer PublicSewer
Heating Central
Cooling CentralAir
Possession Negotiable
Roof Concrete
Appliances Dryer Dishwasher ElectricRange ElectricWaterHeater Disposal IceMaker Microwave Oven Refrigerator WaterSoftener Washer
HOA Fee 9725
Garage Spaces 0
Association Fee Includes CommonAreas MaintenanceGrounds Security
Patio/Porch Features Open Patio Balcony
Pool Features Heated InGround Association
Security Features SmokeDetectors
Construction Materials Block
Pets Allowed PetRestrictions Yes
Year Built 2014
View Garden Pool
Stories Count 2
Levels Two
Property Subtype SingleFamilyResidence
Tax Year 2025
Waterfront Features BeachAccess DeededAccess OceanAccess OceanFront
Community Features PropertyManagerOnSite
Assoc Fee Paid Per Monthly
County Miami-Dade
New Construction false
Property Type Residential
Association Amenities FitnessCenter Gated Management Other Pool Sauna SpaHotTub
Subdivision Name OCEANA KEY BISCAYNE CONDO
Facing Direction East
Garage Y/N false
Total Rooms 4
Full Baths 5
Status Active
Directions Rickenbacker CSWY to Crandon Blvd - Make left on Sonesta - Right on Ocean Dr.
High School Coral Gables
City Key Biscayne
Senior Community Y/N false
MLS Area 2420
Carport Spaces 6
Carport Y/N true
Elementary School Key Biscayne K-8
Tax Annual Amount 102579
Middle/Junior High School Ponce De Leon
Property Condition Resale
Virtual Tour https://www.zillow.com/view-3d-home/0c875d59-d162-40e4-8ea6-37cbe50a1a3f?setAttribution=mls&wl=true
Standard Status Active
Occupancy Type CallAgent
Property Sub Type Additional SingleFamilyResidence
Legal Description OCEANA KEY BISCAYNE CONDO UNIT VILLA 5 UNDIV 1.101200% INT IN COMMON ELEMENTS OFF REC 29249-0603
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Interior
Interior Amenities BreakfastBar Bidet BuiltInFeatures BedroomOnMainLevel Bathtub ClosetCabinetry DiningArea SeparateFormalDiningRoom DualSinks EntranceFoyer HighCeilings KitchenIsland Storage SoakingTub SeparateShower UpperLevelPrimary WalkInClosets
Flooring CeramicTile Wood
Total Stories 2
Air Conditioning Y/N true
Heating Y/N true
Half Baths 1
Total Bedrooms 7
Entry Level 1
Total Baths 6
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Exterior
Exterior Amenities Awnings BuiltInBarbecue Balcony Barbecue Lighting OutdoorLivingArea
Fencing Fenced
Parking Features AttachedCarport Covered Carport Driveway ElectricVehicleChargingStations
Water Source Public
Lot Size Area 11000
Building Area Total 5000
Lot Size Acres 0.25
Frontage Length 0.00
Waterfront Y/N true
Covered Spaces 6
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* Excluded Features
List By
Carlos L. Castro

Listing Agent

Affordability Calculator

$73,199
Per Month
88%
12%
0%
Monthly Principal & Interest
$64,650
Monthly Property Taxes
$8,548
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
0 Elementary School
4268812 Middle School
Coral Gables High School High School
Pricing History
DatePricePrice ChangeDescription
6/9/2026$10,500,000 Listed Price

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105 Reef Lane, Key Biscayne, FL, 33149 is a Single Family Home for sale at $10,500,000 with 5,000 sqft and a lot size of 0.25. 105 Reef Lane has 7 bedrooms, 5.1 baths, and was built in 2014. The property's zip code is 33149 which is in Key Biscayne, FL