221 Knollwood Dr Key Biscayne, FL $ 11,800,000
221 Knollwood Dr
$ 11,800,000
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221 Knollwood Dr

Key Biscayne, FL, 33149
$ 11,800,000
Bedrooms5 Baths5.0 Sq 3,509

Monthly Estimate*

$ 72,655

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Single Family Home for sale in Key Biscayne, FL

for $11,800,000 with 5 bedrooms and 5 full baths. This 3,509 square foot home was built in 1972.

Rare opportunity to own a 16,000 sq ft waterfront lot on one of Key Biscayne's most coveted cul-de-sacs. Nestled on a quiet, no-traffic street, this lovingly maintained residence offers an exceptional combination of location, lot size, and livability rarely found on the island. With 100 feet of direct water frontage and no fixed bridges to open water, the property is a boater's dream, simply step onto your private dock and cruise around the corner to Boater's Grill, The Cleat for lunch or sunset cocktails or out to the bay! The home's thoughtful positioning creates a generous setback from the water's edge, yielding a beautifully manicured backyard that is a true rarity on Key Biscayne. A mature mango tree anchors the lush landscaping, while the deep lot provides the kind of outdoor space that simply does not exist on most waterfront properties here. Inside, the home is bathed in natural light and flows effortlessly. The open kitchen connects seamlessly to the family room, creating a warm, inviting gathering space at the heart of the home. The ideal floor plan places the primary suite, with dual his-and-her bathrooms, on one wing alongside three additional bedrooms, while a separate guest suite ensures privacy for visitors. Impact windows and doors throughout. Two-car garage. Offered in excellent condition. 221 Knollwood Drive represents the best waterfront value on Key Biscayne. Opportunities of this caliber are exceptionally rare.

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Single Family Active

Price

$ 11,800,000

Bedrooms

5

Full Bath

5

Property Type

Single Family

Taxes

$ 21,304

Style

Year Built

1972

Town/City

Key Biscayne

County/Region

Miami-Dade

MLS | Web ID

A11989667

Features
General
Sewer Public Sewer
Heating Central
Cooling Central Air
Utilities Cable Available
Possession Closing & Funding
Roof Metal
Appliances Built-In Oven Dryer Dishwasher Electric Range Microwave Refrigerator Washer
Garage Spaces 2
Patio/Porch Features Patio
Architectural Style Detached One Story
Pool Features In Ground Pool
Restrictions No Restrictions
Construction Materials Block
Pets Allowed No Pet Restrictions Yes
Year Built 1972
View Canal Water
Stories Count 1
Property Subtype Single Family Residence
Tax Year 2025
Waterfront Features Canal Front
County Miami-Dade
Property Type Residential
Attached Garage true
Subdivision Name CAPE FLA SUB SEC 2
Facing Direction South
Garage Y/N true
Total Rooms 0
Full Baths 5
Special Listing Conditions Listed As-Is
Status Active
High School Coral Gables
City Key Biscayne
Disclosures Flood Plain Disclosure Owner Is Listing Agent
Senior Community Y/N false
Zoning Description 2000
MLS Area 52
Lot Size Units Square Feet
Lot Size Square Feet 16000
Listing Terms Cash Conventional
Elementary School Keybiscayne
Year Built Details Resale
Tax Annual Amount 21304
Middle/Junior High School Ponce De Leon
Lease Considered Y/N false
Virtual Tour https://www.propertypanorama.com/instaview/mia/A11989667
Standard Status Active
Occupancy Type Call Agent
Property Sub Type Additional Single Family Residence
Legal Description 5 55 42 CAPE FLA SUB SEC 2 PB 70-67 LOT 6 BLK 7 & PROP INT IN & TO WATERWAY LOT SIZE 100.000 X 160 OR 11775-302 & 300 0483 5
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Interior
Interior Amenities Built-in Features Bedroom on Main Level Dual Sinks First Floor Entry Fireplace Kitchen Island Kitchen/Dining Combo Living/Dining Room Main Level Primary Pantry Separate Shower Walk-In Closet(s)
Flooring Carpet Tile
Furnished Y/N Unfurnished
Air Conditioning Y/N true
Heating Y/N true
Window Features Impact Glass
Fireplace Y/N true
Half Baths 0
Total Bedrooms 5
Total Baths 5
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Exterior
Exterior Amenities Fence Fruit Trees Lighting Patio
Parking Features Attached Circular Driveway Driveway Garage Garage Door Opener
Lot Features 1/4 to 1/2 Acre Lot
Water Source Public
Lot Size Area 16000
Spa false
Building Area Total 4771
Frontage Length 100
Waterfront Y/N true
Covered Spaces 2
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* Excluded Features
List By
Compass Florida, Llc

Broker

305-661-4003

Contact

Affordability Calculator

$74,430
Per Month
98%
2%
0%
Monthly Principal & Interest
$72,655
Monthly Property Taxes
$1,775
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
3/25/2026$11,800,000 Listed Price

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221 Knollwood Dr, Key Biscayne, FL, 33149 is a Single Family Home for sale at $11,800,000 with 3,509 sqft. 221 Knollwood Dr has 5 bedrooms, 5.0 baths, and was built in 1972. The property's zip code is 33149 which is in Key Biscayne, FL