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Key Biscayne For Sale SINGLE FAMILY RESIDENCE

105 Reef Ln, Key Biscayne FL 33149

105 Reef Ln, Key Biscayne FL 33149

$10,500,000 ≈ ₿158.53

MLS A12012394 · 78 days on market

7

Beds

5.5

Baths

5,000

SQUARE FEET

Single Family Residence

Type

2014

Built

$9,725

HOA / mo

Listing courtesy of

NestWise Real Estate LLC

Carlos Castro

MLS® #A12012394

Listing information last updated May 27, 2026

MiamiCityRealty.com is an agent's best friend. We proudly co-broke and partner with NestWise Real Estate LLC — and every agent and broker in Miami — to get the deal done.

Overview

This single family residence in Key Biscayne has 7 bedrooms and 5.5 bathrooms across 5,000 square feet, and is listed for sale at $10,500,000 (about $2,100 per square foot). Built in 2014.

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.

Listing history

Listed for sale

May 4, 2026 · MIAMI MLS

$10,500,000

Days on market

as of today

78 days

Building & financials

FROM MIAMI MLS

The carrying-cost and structural facts that close or kill a Miami deal — straight from the listing feed.

HOA / association dues

$9,725 / mo

Annual property tax (2025)

$102,579

Association type

Condo

Waterfront

Ocean Access, Ocean Front

Pets

Allowed (verify restrictions)

FEMA flood zone

AE

HOA dues include

Maintenance Incl Common AreaMaintenance Incl Lawn/Lndscp CareMaintenance Incl Security

Dues, taxes, and association data per MIAMI MLS and public records; flood zone from FEMA NFHL. Verify with the HOA, county, and your insurer during due diligence.

Property details

MLS #A12012394
Price$10,500,000
Size5,000 Square Feet
Bedrooms7
Bathrooms5.5
Year built2014
TypeSingle Family Residence
StatusFor Sale
HOA$9,725 / mo
Price / Square Feet$2,100
Flood zoneAE

Features & amenities

Built-in Features
Built-In Grill
Closet Cabinetry
Cooking Island
Den/Library/Office
Dishwasher
Disposal
Dryer
Electric Range
Electric Water Heater
Entrance Foyer
Family Room
First Floor Entry
Has a View
Has Carport
Has Cooling System
Has Heating System
Has Waterfront
Home Owners Association
Ice Maker
Lighting
Maid/In-Law Quarters
Microwave
Open Balcony
Open Parking
Refrigerator
Self Cleaning Oven
Storage
Utility Room/Laundry
Volume Ceilings
Walk-In Closet(s)
Wall Oven
Washer
Water Softener Owned

Location

105 Reef Ln, Key Biscayne FL 33149

Estimate your payment

$

Est. monthly payment

per month

Principal & interest
Property tax (est.)
HOA$9,725
Down (20%)
Ask about real rates →

Estimate only — not a Loan Estimate, pre-approval, or commitment. Taxes, insurance & HOA vary. Confirm with a licensed lender.

Questions, answered

How many bedrooms does this property have?

This Key Biscayne single family residence has 7 bedrooms.

How many bathrooms does this property have?

This Key Biscayne single family residence has 5.5 bathrooms.

What is the square footage?

This Key Biscayne single family residence offers 5,000 square feet of living space.

When was this property built?

This Key Biscayne single family residence was built in 2014.

What is the view from this property?

The view from this Key Biscayne single family residence is Garden, Pool.

Are pets allowed?

Pet policy for this Key Biscayne single family residence: Restrictions Or Possible Restrictions.

What is the HOA fee?

The HOA / association fee for this Key Biscayne single family residence is $9,725 monthly.

What are the annual property taxes?

Annual property taxes for this Key Biscayne single family residence are approximately $102,579, per the latest tax record.

How long has this property been on the market?

This Key Biscayne single family residence has been on the market for 2 days.

Ask about this home

Questions on price, building, or financing? Send a note — we reply fast.

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$10,500,000

105 Reef Ln, Key Biscayne FL 33149

Key Biscayne · 7 bd · 5.5 ba · 5,000 Square Feet

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Listing data © MIAMI MLS · IDX information deemed reliable but not guaranteed · 78 days on market.

We do not advertise a “free” buyer’s agent; buyer-representation compensation is disclosed in writing. Bitcoin pricing is indicative and updates with the market — not financial, tax, or legal advice. Buyer to independently verify all measurements, assessments, and flood & insurance facts.

$10,500,000

7 bd · 5.5 ba · 5,000 Square Feet

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