121 Knollwood Drive Key Biscayne, FL $ 13,850,000
121 Knollwood Drive
$ 13,850,000
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121 Knollwood Drive

Key Biscayne, FL, 33149
$ 13,850,000
Bedrooms5 Baths4.1 Sq 4,924

Monthly Estimate*

$ 85,277

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Single Family Home for sale in Key Biscayne, FL

for $13,850,000 with 5 bedrooms and 4 full baths, 1 half bath. This 4,924 square foot home was built in 1972.

Designed for those who value privacy, space, and a true connection to the water, this exceptional waterfront residence offers a rare boater’s retreat and a warm, inviting setting for family living. Tucked away on a quiet street and set on an expansive nearly 14,000-square-foot lot, the home impresses from the moment you arrive with its generous front yard and gated entry, offering both presence and privacy. Inside, a bright two-story layout unfolds with an open, airy feel, thoughtfully designed for both everyday comfort entertaining. The residence features five bedrooms, four full bathrooms, plus a cabana bath, all flowing seamlessly enhanced by abundant natural light and tranquil water views. Renovated in 2019, the home includes impact windows and doors, a beautifully updated kitchen and appliances, lighting throughout, gas generator, and a pool heater and chiller for year-round enjoyment. The outdoor living experience is truly exceptional…enjoy direct water access with a private dock, boat lift, and two dry jet-ski docks, allowing you to step straight from your backyard to open water and fully embrace the waterfront lifestyle. A detached, enclosed two-car garage adds versatility, while the gated property offers abundant parking for up to six vehicles, a rare and valuable amenity in Key Biscayne. Homes of this caliber which offer privacy, boating infrastructure, generous land, and modern upgrades are increasingly rare and best appreciated in person.

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Single Family Active

Price

$ 13,850,000

Bedrooms

5

Full Bath

4

Half Bath

1

Property Type

Single Family

Taxes

$ 65,834

Style

Year Built

1972

Town/City

Key Biscayne

County/Region

Miami-Dade

MLS | Web ID

A11936017

Features
General
Sewer Public Sewer
Heating Electric
Cooling Electric
Utilities Cable Available
Possession Closing & Funding
Roof Metal
Appliances Built-In Oven Dryer Dishwasher Electric Range Electric Water Heater Disposal Microwave Refrigerator Trash Compactor Washer
Garage Spaces 2
Patio/Porch Features Balcony Open Patio
Architectural Style Two Story
Pool Features In Ground Pool Community
Security Features Security Gate
Restrictions OK To Lease
Construction Materials Block
Pets Allowed Conditional Yes
Year Built 1972
View Canal
Stories Count 2
Levels Two
Property Subtype Single Family Residence
Tax Year 2024
Waterfront Features Canal Front No Fixed Bridges Ocean Access
Community Features Fitness Gated Pool
County Miami-Dade
Property Type Residential
Attached Garage false
Subdivision Name CAPE FLA SUB SEC 2
Facing Direction South
Garage Y/N true
Total Rooms 0
Full Baths 4
Special Listing Conditions Listed As-Is
Status Active
High School Coral Gables
City Key Biscayne
Disclosures Flood Plain Disclosure
Senior Community Y/N false
Zoning Description 2000
MLS Area 52
Lot Size Units Square Feet
Lot Size Square Feet 13947
Listing Terms Cash Conventional
Elementary School Keybiscayne
Year Built Details Resale
Tax Annual Amount 65834
Middle/Junior High School Ponce De Leon
Lease Considered Y/N false
Standard Status Active
Occupancy Type Owner
Property Sub Type Additional Single Family Residence
Legal Description 5 55 42 CAPE FLA SUB SEC 2 PB 70-67 LOT 2 BLK 7 & PROP INT IN & TO WATERWAY LOT SIZE 87.170 X 160 OR 19270-3257 08 2000 1 COC 22879-0332 12
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Interior
Interior Amenities Bedroom on Main Level Dual Sinks First Floor Entry Living/Dining Room Separate Shower Upper Level Primary Walk-In Closet(s) Bay Window
Flooring Concrete
Furnished Y/N Unfurnished
Air Conditioning Y/N true
Heating Y/N true
Half Baths 1
Total Bedrooms 5
Total Baths 5
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Exterior
Exterior Amenities Balcony Lighting Patio
Parking Features Covered Driveway Detached Garage Garage Door Opener
Lot Features 1/4 to 1/2 Acre Lot Sprinklers Automatic
Water Source Public
Lot Size Area 13947
Building Area Total 5775
Frontage Length 0
Waterfront Y/N true
Covered Spaces 2
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* Excluded Features
List By
One Sotheby's International Realty

Broker

Brigitte@bnachtigall.com

Email

Affordability Calculator

$90,763
Per Month
94%
6%
0%
Monthly Principal & Interest
$85,277
Monthly Property Taxes
$5,486
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
3062566 Elementary School
4268812 Middle School
Coral Gables High School High School
Pricing History
DatePricePrice ChangeDescription
1/5/2026$13,850,000 Listed Price

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121 Knollwood Drive, Key Biscayne, FL, 33149 is a Single Family Home for sale at $13,850,000 with 4,924 sqft. 121 Knollwood Drive has 5 bedrooms, 4.1 baths, and was built in 1972. The property's zip code is 33149 which is in Key Biscayne, FL