About 121 Knollwood Drive, Key Biscayne, Florida, 33149
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.
Utilities : CableAvailable
Water Source : Public
Sewer System : PublicSewer
Community Features : Fitness, Gated, Pool
Parking Features : Balcony, Lighting, Patio
Garage : Yes.
Garage Spaces: 2
Security Features : SecurityGate
Exterior Features : Balcony, Lighting, Patio
Lot Features : QuarterToHalfAcreLot, SprinklersAutomatic
Roof : Metal
Waterfront : Yes.
Waterfront Features : CanalFront, NoFixedBridges, OceanAccess
Architectural Style : TwoStory
Property Sub-Type Additional : SingleFamilyResidence
Zoning Description : 2000
Pool Features : InGround, Pool, Community
Heating : Yes.
Heating : Electric
Cooling : Yes.
Cooling : Electric
Construction Materials : Block
Interior Features : BedroomOnMainLevel, DualSinks, FirstFloorEntry, LivingDiningRoom, SeparateShower, UpperLevelPrimary, WalkInClosets, BayWindow
Appliances : BuiltInOven, Dryer, Dishwasher, ElectricRange, ElectricWaterHeater, Disposal, Microwave, Refrigerator, TrashCompactor, Washer
Flooring : Concrete
Utilities : CableAvailable
Water Source : Public
Sewer System : PublicSewer
Community Features : Fitness, Gated, Pool
Parking Features : Balcony, Lighting, Patio
Garage : Yes.
Garage Spaces: 2
Security Features : SecurityGate
Exterior Features : Balcony, Lighting, Patio
Lot Features : QuarterToHalfAcreLot, SprinklersAutomatic
Roof : Metal
Waterfront : Yes.
Waterfront Features : CanalFront, NoFixedBridges, OceanAccess
Architectural Style : TwoStory
Property Sub-Type Additional : SingleFamilyResidence
Zoning Description : 2000
Pool Features : InGround, Pool, Community
Heating : Yes.
Heating : Electric
Cooling : Yes.
Cooling : Electric
Construction Materials : Block
Interior Features : BedroomOnMainLevel, DualSinks, FirstFloorEntry, LivingDiningRoom, SeparateShower, UpperLevelPrimary, WalkInClosets, BayWindow
Appliances : BuiltInOven, Dryer, Dishwasher, ElectricRange, ElectricWaterHeater, Disposal, Microwave, Refrigerator, TrashCompactor, Washer
Flooring : Concrete

Street Address: 121 Knollwood Drive
City: Key Biscayne
State: Florida
Postal Code: 33149
County: Miami-Dade

Property Information :
Listing Status: Active
Size: 5,775 Sqft
MLS #: A11936017
Bedrooms: 5 bd
Bathrooms: 4.5 ba
Price: $13,850,000
Tax Amount: 65834
Construction Status: Built in 1972
Last Modified : Jan 8 2026 2:00AM
Amenities :
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Courtesy of: Brigitte Nachtigall, One Sotheby's International Realty (MLS# OSIR04)
Source MLS: MAR