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121 Knollwood DriveKey Biscayne, FL 33149

For Sale

$13,850,000

Smart Buyer Rebate $138,500

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.

Listed by Brigitte Nachtigall

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License #0542022

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One Sotheby's International Realty

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305-710-9664

Listed by Mark Chatburn

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License #3488011

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One Sotheby's International Realty

Last updated January 05, 2026

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Source: MIAMIRE #A11936017

Listing Facts

  • TypeSingle-family
  • NeighborhoodVillage of Key Biscayne
  • Bedrooms5
  • Bathrooms5
  • Days on Prevu29
  • Taxes$65,834/year
  • Size4,924 sqft
  • Price per sqft$2,813

Amenities

  • Dishwasher
  • Private Outdoor Space
  • Washer/Dryer
  • Pets Allowed
  • Parking
  • Swimming Pool

Location

Mortgage Calculator

Listing History

01/02/2026
Listed by One Sotheby's International Realty
$13,850,000

Property Details for 121 Knollwood Drive

Association

Amenities

  • Community Features: Gated, Pool, Exercise Room
  • Pets Allowed: Restrictions Or Possible Restrictions

Exterior

Construction

  • Roof: Metal Roof
  • Structure Type: House
  • Window Features: Bay Window(s)
  • Year Built: 1972
  • Year Built Details: Resale
  • Architectural Style: Attached, Two Story
  • Building Name: CAPE FLA SUB SEC 2
  • Construction Materials: CBS Construction
  • Exterior Features: Lighting, Open Balcony

Features

  • Direction Faces: South
  • Patio And Porch Features: Open Balcony, Patio
  • Pool Features: In Ground
  • View: Canal
  • Waterfront Features: Ocean Access, Canal Front, No Fixed Bridges
  • Waterfront: Yes

Measurements

  • Building Area Total: 5,775
  • Building Area Units: Square Feet
  • Lot Features: 1/4 To Less Than 1/2 Acre Lot
  • Lot Size Square Feet: 13,947
  • Lot Size Units: Square Feet

Financial

Taxes

  • Parcel Number: 24-52-05-011-0280
  • Tax Annual Amount: $65,834.00
  • Tax Year: 2024

Interior

Features

  • Appliances: Trash Compactor, Dishwasher, Disposal, Dryer, Electric Water Heater, Microwave, Electric Range, Refrigerator, Wall Oven, Washer
  • Flooring: Concrete
  • Interior Features: First Floor Entry, Walk-In Closet(s), Family Room, Utility Room/Laundry

Measurements

  • Living Area: 4,924
  • Living Area Units: Square Feet

Rooms

  • Bathrooms Full: 4
  • Bathrooms Half: 1
  • Bathrooms Total Integer: 5
  • Bedrooms Total: 5

Other

Location

  • Subdivision Name: CAPE FLA SUB SEC 2

Parking

Parking

  • Covered Spaces: 2
  • Garage Spaces: 2
  • Garage: Yes
  • Open Parking: Yes
  • Parking Features: Additional Spaces Available, Covered, Driveway

Schools

Elementary School

  • Elementary School: Keybiscayne

High School

  • High School: Coral Gables

Middle or Junior School

  • Middle Or Junior School: Ponce De Leon

Utilities

Equipment

  • Cooling: Electric
  • Has Cooling: Yes
  • Heating: Electric
  • Has Heating: Yes
  • Laundry Features: Utility Room/Laundry
  • Other Equipment: Automatic Garage Door Opener
  • Sewer: Public Sewer
  • Water Source: Municipal Water

Frequently Asked Questions

How many bedrooms and bathrooms does this single-family home have?

There are 5 bedrooms and 5 bathrooms in this single-family home at 121 Knollwood Drive.

What schools are nearby to 121 Knollwood Drive?

Nearby schools include the Keybiscayne Elementary School, Ponce De Leon Middle School, and Coral Gables High School.

Does this single-family home have parking?

Yes, there are 2 parking spaces available for 121 Knollwood Drive.

What are the annual taxes for 121 Knollwood Drive?

Annual taxes for this single-family home are estimated at $65,834.

How does 121 Knollwood Drive compare to other single-family homes in Village of Key Biscayne?

This single-family home is listed 46% above the average price for single-family homes in Village of Key Biscayne and has been on the market for 84 less days than the typical home in this area.

What building or home owners association is the single-family home part of?

This single-family home is in the CAPE FLA SUB SEC 2 building.

What is the square footage on this single-family home?

According to the MLS, this listing is 4,924 sqft.

121 Knollwood Drive is a 5-bedroom, 5-bath single-family home for sale in Key Biscayne FL 33149. Available on Prevu for 29 days at $13,850,000. This property features 4,924 square feet of living space, located in Village of Key Biscayne. The median listing price for single-family homes in this area is $2,325,000. Nearby schools include Keybiscayne Elementary School, Ponce De Leon Middle School, and Coral Gables High School. Property amenities include private outdoor space, dishwasher, pets allowed, parking, swimming pool, and washer/dryer. Browse more single-family home listings in Key Biscayne.

Based on information from Miami Association of REALTORS and/or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by Prevu or the MLS. Information is provided exclusively for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumer may be interested in purchasing.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.