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.
Property Details
Price:
$13,850,000
MLS #:
A11936017
Status:
Active
Beds:
5
Baths:
4.5
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
CAPE FLA SUB SEC 2
Neighborhood:
capeflasubsec2
Listed Date:
Jan 2, 2026
Finished Sq Ft:
4,924
Total Sq Ft:
5,775
Year Built:
1972
See this Listing
Schools
Elementary School:
Keybiscayne
Middle School:
Ponce De Leon
High School:
Coral Gables
Interior
Appliances
Trash Compactor, Dishwasher, Disposal, Dryer, Electric Water Heater, Microwave, Electric Range, Refrigerator, Wall Oven, Washer
Bathrooms
4 Full Bathrooms, 1 Half Bathroom
Cooling
Electric
Flooring
Concrete
Heating
Electric
Laundry Features
Utility Room/Laundry
Exterior
Architectural Style
Attached, Two Story
Community Features
Gated, Pool, Exercise Room
Construction Materials
CBS Construction
Exterior Features
Lighting, Open Balcony
Parking Features
Additional Spaces Available, Covered, Driveway
Roof
Metal Roof
Financial
Tax Year
2024
Taxes
$65,834
Map
Community
- Address121 Knollwood Drive Key Biscayne FL
- SubdivisionCAPE FLA SUB SEC 2
- CityKey Biscayne
- CountyMiami-Dade County
- Zip Code33149
Market Summary
Current real estate data for Single Family in Key Biscayne as of Jan 17, 2026
53
Single Family Listed
207
Avg DOM
2,161
Avg $ / SqFt
$10,047,962
Avg List Price
Property Summary
- Located in the CAPE FLA SUB SEC 2 subdivision, 121 Knollwood Drive Key Biscayne FL is a Single Family for sale in Key Biscayne, FL, 33149. It is listed for $13,850,000 and features 5 beds, 5 baths, and has approximately 4,924 square feet of living space, and was originally constructed in 1972. The current price per square foot is $2,813. The average price per square foot for Single Family listings in Key Biscayne is $2,161. The average listing price for Single Family in Key Biscayne is $10,047,962.
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