Home in 105 Reef Ln Key Biscayne for sale with MLS# A12012394

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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Days on the market

105 Reef Ln, Key Biscayne, FL 33149

Price
Price:
$10,500,000.00
Original List Price:
$10,500,000.00
Property Status and Type
Listing Type:
For Sale
Status:
Active
Special Sale Conditions:
Listed As Is
Listing Category:
Residential
Property Type:
Single Family House
MLS Number:
A12012394
Description of Last Important Update:
New Listing
Last Major Update on:
May 25, 2026 12:40 am
Rooms Distribution
Bedrooms:
7
Bathrooms Total:
6
Full Bath:
5
Half Bath:
1
Room Type:
Laundry, Storage Room, Family Room, Den, Utility Room, In Law Suite
Measures
Living Area:
5,000 Sqft
Built-Up Area:
5,000 Sqft
Lot Area:
11,000 Sqft
Lot Size Unit:
Square Feet
Lot Features:
Less Than Quarter Acre
Property Features
View from the Property:
Pool, Garden
Waterfront:
Yes
Waterfront Features:
Ocean Access, Ocean Front
Frontage Length:
0
Swimming Pool Features:
Heated, Community, Pool, In Ground
Spa Features:
Community
Security:
Smoke Detector(s), Security Gate, Gated Community
Appliances:
Dryer, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Self Cleaning Oven, Electric Range, Electric Water Heater, Ice Maker, Water Softener Owned, Built In Oven
Interior:
Breakfast Bar, First Floor Entry, Dining Area, High Ceilings, Walk-In Closet(s), Closet Cabinetry, Kitchen Island, Bedroom On Main Level, Entrance Foyer, Built-in Features, Separate Formal Dining Room, Upper Level Primary, Separate Shower, Bidet, Dual Sinks
Exterior:
Awning(s), Fence, Balcony, Patio, Lighting, Outdoor Grill, Security High Impact Doors
Patio and Porch:
Patio, Balcony, Open
Air Conditioning
Air Conditioning System:
Central Air
Heating
Heating System:
Central
Property Entrance Faces:
East
Water Access Description:
Deeded Beach Access
Construction
Year Built:
2014
Year Built Details:
Resale
Roof:
Concrete
Architectural Style:
Two Story, Detached
Levels:
Two
Construction Materials:
Block
Flooring:
Wood, Ceramic Tile, Hardwood
Stories:
2
Taxes and Expenses
Tax Annual Amount:
$102,579.00
Tax Year:
2025
Association Fee:
$9,725.00
Association Fee Frequency:
Monthly
Property Tax Status:
Tax Reflects No Exemptions
Parking
Garage Spaces:
0
Carport Spaces:
6
Covered Spaces:
6
Parking Features:
Driveway, Covered, Attached Carport, Electric Vehicle Charging Station(s)
Carport
Utilities
Sewer:
Public Sewer
Water Source:
Public
Community
Pets Allowed?:
Yes, Conditional
Subdivision Name:
OCEANA KEY BISCAYNE CONDO
Community Features:
Gated, Pool, Other, Sauna, Fitness, Property Manager On Site
Association Fee Includes:
Maintenance Grounds, Security, Common Area Maintenance
Senior Community:
No
Development Name:
Oceana Key Biscayne
Restrictions:
Association Approval Required, Okay to Lease
Terms
Listing Terms Considered by Seller:
Cash, Conventional
Occupant Type:
Call Agent
Buyer Possession:
Closing And Funding
Zoning and Legal
Tax Legal Description:
OCEANA KEY BISCAYNE CONDO UNIT VILLA 5 UNDIV 1.101200% INT IN COMMON ELEMENTS OFF REC 29249-0603
Real Estate Folio Number (Parcel Number):
24-42-32-029-1470
Zoning Description:
5000
Listing History
Originally published on:
May 4, 2026 3:46 pm
Active on the market since:
May 4, 2026
Listing Activated On:
May 25, 2026
Price change occurred on:
May 4, 2026 11:03 am
Listing Status Last Changed On:
May 25, 2026 12:40 am
Photos updated on:
May 5, 2026 5:13 am
Last Modified:
May 31, 2026 9:13 pm
Additional Information
Housing Older Persons Act:
No HOPA
Flood Zone:
AE
Type of Association:
Condo
Rooms Description:
Den/Library/Office, Family Room, Maid/In-Law Quarters, Storage Room, Utility Room/Laundry
Style:
WF/Pool/Ocean Access
Municipal Code:
24
Subdivision Number:
29
Courtesy of:
NestWise Real Estate LLC
Attribution:
Not provided
Location
Street Name:
Reef Ln
Street Number:
105
City:
Key Biscayne
State:
Florida
Zip Code:
33149
County:
Miami-Dade
Latitude:
N25° 41' 42.4''
Longitude:
W81° 50' 28.2''
Property Map

Neighborhood Stats

Source: U.S. Census Bureau, ACS 5-Year Estimates

Median Household Income $171,982
Median Home Value $1,231,500
Median Rent $3,501/mo
Median Age 43
Population 14,628

Air Quality

Source: AirNow.gov · Miami

🌬️ Air Quality Index (AQI) 40 Good
☀️ O3 30 Good
🫁 PM2.5 40 Good

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Disclaimer: IDX listing information is presented by Rebonus Brokerage LLC for consumer informational purposes only. The information provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed by the MLS or the real estate broker. This page presents structured listing information sourced directly from the MLS via the RESO Web API feed. Rebonus prioritizes maximum field coverage and data completeness, displaying the most granular MLS-provided attributes available.