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Residential > House
Active
5 days ago
List Price
$13,850,000$2,813/ft²

121 Knollwood Dr
Key Biscayne, FL 33149

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  • 121 Knollwood Dr, Key Biscayne, FL 33149 is a 5 bed, 5 bath, 4,924 ft² house built in 1972 on a 0.320 acre lot with 23 construction permits. This house is currently for sale for $13,850,000, and it was last sold in 2018 for $4,300,000. The latest TopHap estimate of the house's value is $9,495,578.

    Property Valuations

    Latest estimates for 121 Knollwood Dr based on TopHap automated valuation model (AVM).

    MLS Description

    The listing agent's description. Original Listing

    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.

    Listing Agents

    The listing agent for 121 Knollwood Dr is Brigitte Nachtigall.

    Permits

    121 Knollwood Dr has 23 permit records.

    Permit History
    23
    Permits

    Current Ownership

    Information about the current owner(s).

    Property History

    121 Knollwood Dr has undefined property events records (listings, deeds, permits, tax, foreclosure, loan).

    Property Events

    Environment

    Environmental factors around 121 Knollwood Dr

    School Information

    Public/private schools serving 121 Knollwood Dr

    Neighborhood

    This property is located in Key Biscayne, Key Biscayne, FL 33149.

    Market Trends

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    Copyright © 2026 Miami Association of REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

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