437 Harbour Drive, Duck Key, FL 33050
$5,000,000
Property Type:
Residential
Bedrooms:
3
Baths:
3
Square Footage:
2,780
Lot Size (sq. ft.):
19,200
Status:
Closed
Current Price:
$5,000,000
List Date:
7/02/2024
Last Modified:
3/19/2026
Listing Details MLS# 610640
Location, Tax & Legal
- Street #
- 437
- Street Name
- Harbour
- Street Suffix
- Drive
- Key/Island
- Duck Key
- State/Province
- FL
- Zip Code
- 33050
- County
- Monroe
- Subdivision
- Harbour Island (61.0)
- Area
- 20 - Duck Key, Coral Key, Conch Key
- City
- Duck
- Off Shore Island
- No
- Mile Marker
- 61
- Marathon Neighborhood
- N/A
- Side
- Ocean
- Flood Zone
- VE,AE
- Alternate Key #
- 1460231
- Parcel #
- 00376951-002200
- Zoning
- IS - Improved Subivision District
- Deed Restrictions
- Unknown
- Legal
- LTS 20 & 20A & 20AA AMENDED PLAT HARBOUR ISLAND DUCK KEY PB6-84
- Taxes
- 27717.47
- Tax Year
- 2023
- Pub Sewer HkUp
- Yes
Contract Information
- Listing Board
- Key West Association
- As is Rght to Inspct
- Yes
- Species List
- No
General Property Description
- Realtor.COM Type
- Residential - Single Family
- Style
- Single Family
- Waterfront
- Yes
- Control Depth
- 4
- Pool
- Yes
- Year Built
- 2020
- Lot SqFt
- 19200
- Lot Sqft Source
- Property Data Card
- Acres
- 1.35
- Living Apx SqFt
- 2780
- SqFt Source
- Property Data Card
- Total Bedrooms
- 3
- Full Baths
- 3
- Total Baths
- 3
- Rentals Allowed
- With Restrictions
- Min Rental Days
- 28
- Total Units
- 0
Status Change Info
- Sold Date
- 2025-08-28
Association Info
- Mandatory Home Owners Asc
- No
- 1st Right of Refusal
- No
- Association Fee $
- 0
Dockage
- Dock
- Wood
- Boat Lift
- Yes
More Information
Building Style
- Above Flood
- Unknown
- Stilt Column Height
- Medium - 5Ft - 9Ft
Vehicle Storage
- Car(s)
- 4+
- Carport
- Yes
- Covered Parking
- Yes
- Open Parking
- Yes
- Off Street Parking
- Yes
- Trailer Storage
- Yes
Appliances
- Other
- Vent Hood
- Dishwasher
- Yes
- Dryer
- Yes
- Microwave
- Yes
- More Appliances
- Yes
- Oven
- Yes
- Range
- Yes
- Refrigerator
- Yes
- Stainless Steel Appliance(s)
- Yes
- Washer
- Yes
- Wine Cooler
- Yes
Pool Info
- Other
- Spa, Chiller
- Heated
- Yes
- In Ground
- Yes
- Salt Water
- Yes
- Concrete
- Yes
Remarks & Misc
- Remarks – Consumer
- Nestled on a lushly landscaped, gated point lot, this elegant Oceanfront Duck Key Estate epitomizes resort-style seaside living. Offering sprawling dockage with enviable boating, custom 2021 pool, and sandy beach, your ideal Florida Keys lifestyle awaits! Built in 2020, every detail has been considered in this intuitively designed retreat; with expertly curated aesthetics blending relaxed sophistication with the surrounding turquoise waters, beckoning the outdoors in. Upon entry, the massive great room boasts cathedral tongue and groove ceilings and sweeping views of Toms Harbour. Entertain for the masses with a breezy open concept floor plan and an expertly-appointed Chef's Kitchen in the heart of the home. Premium Viking appliances, granite countertops, custom cabinetry, and sprawling island with seating allows for cultivating culinary masterpieces with ease. Wake to endless turquoise water views in the primary suite, which features private balcony, hidden TV lift, custom walk-in closet, and opulent en suite bath with dolomite stone shower. Visitors will enjoy elevated accommodation in either of two generous guest bedrooms, also complete with Ocean Views! Additional interior upgrades include a multi-use laundry room with office and pantry space, and two climate-controlled attics. Built to withstand the elements with impact resistant doors and windows. Enjoy year-round alfresco living from an expansive covered veranda. Downstairs, this exceptional property caters to outdoor entertaining with a backyard oasis complete with in-ground, concrete, saltwater pool and spa with heater, chiller, and custom lighting. Steps from the pool, a dock with 20K and 10K lifts, allows for frequent boating. This unparalleled property also offers a sandy beach, private lagoon, and low-maintenance turf yard. Providing abundant privacy and incomparable Sunrises and Sunsets, this exquisite coastal estate offers a refined Florida Keys lifestyle where relaxation meets luxury.
- Directions
- From Overseas Hwy, turn Oceanside onto Duck Key Dr. Continue straight on Bimini Dr. Continue straight on Corsair Rd. Turn Right on Harbour Dr. The destination is at the end of the road on the Right.
Fee Includes
- None
- Yes
Tax Exemptions
- None
- Yes
Pets
- Pets Allowed
- Yes
Cooling
- Ceiling Fans(s)
- Yes
- Central Air
- Yes
Waterfront
- Oceanfront
- Yes
- Open Water
- Yes
Waterview
- Ocean View
- Yes
- Open Water View
- Yes
Floor
- Tile
- Yes
Neighborhood Feature
- Beach
- Yes
- Bike Paths
- Yes
- Clubhouse
- Yes
- Community Pool
- Yes
- Spa
- Yes
- Tennis Courts
- Yes
- Other Area Features
- Yes
Interior Features
- Bar
- Yes
- Built-in Cabinets
- Yes
- Cathedral Ceilings
- Yes
- Entrance Foyer
- Yes
- Granite Counter Top
- Yes
- Pantry
- Yes
- Pull Down Stairs
- Yes
- Quartz Countertops
- Yes
- Security System
- Yes
- Smoke Alarms
- Yes
- Split Bedroom
- Yes
- Storage
- Yes
- Walk-in Closet(s)
- Yes
Property Condition
- Updated/Remodeled
- Yes
Specialty Rooms
- Laundry Room
- Yes
- Utility Room
- Yes
- Workshop
- Yes
Windows/Doors
- Impact Rstnce Doors
- Yes
- Impact Rstnce Window
- Yes
Security
- Electric Gate
- Yes
Construction
- CBS
- Yes
Land Size
- 1 Less Than 2 Acres
- Yes
Furnished
- Negotiable
- Yes
Terms
- Cash
- Yes
- Conventional
- Yes
Utilities
- Buyer to Verify
- Yes
- FKAA
- Yes
- Municipal Sewer
- Yes
Porch/Balcony
- Deck
- Yes
- Open Porch/Balcony
- Yes
- Patio
- Yes
Title
- Negotiable
- Yes
Exterior Features
- Fencing
- Yes
- Hot Tub
- Yes
- Lighting
- Yes
- Sandy Beach
- Yes
- Storage
- Yes
Roof
- Metal Roof
- Yes
Shutters
- Roll Down Electric
- Yes
GF-Interior Features
- Tankless Hot Wtr Htr
- Yes
Property Features
Fee Includes:
None
Tax Exemptions:
None
Waterfront:
Oceanfront; Open Water
Waterview:
Ocean View; Open Water View
Dockage:
Boat Lift
Property Condition:
Updated/Remodeled
Vehicle Storage:
Carport; Covered Parking; Off Street Parking; Open Parking; Trailer Storage
Furnished:
Negotiable
Cooling:
Ceiling Fans(s); Central Air
Utilities:
Buyer to Verify; FKAA; Municipal Sewer
Interior Features:
Bar; Built-in Cabinets; Cathedral Ceilings; Entrance Foyer; Granite Counter Top; Pantry; Pull Down Stairs; Quartz Countertops; Security System; Smoke Alarms; Split Bedroom; Storage; Walk-in Closet(s)
Specialty Rooms:
Laundry Room; Utility Room; Workshop
Appliances:
Dishwasher; Dryer; Microwave; More Appliances; Oven; Range; Refrigerator; Stainless Steel Appliance(s); Washer; Wine Cooler
Exterior Features:
Fencing; Hot Tub; Lighting; Sandy Beach; Storage
Pool Info:
In Ground; Salt Water; Concrete
Construction:
CBS
Shutters:
Roll Down Electric
Floor:
Tile
Roof:
Metal Roof
Pets:
Pets Allowed
Neighborhood Feature:
Beach; Bike Paths; Clubhouse; Community Pool; Spa; Tennis Courts; Other Area Features
Security:
Electric Gate
Land Size:
1 Less Than 2 Acres
Terms:
Cash; Conventional
Title:
Negotiable
GF-Interior Features:
Tankless Hot Wtr Htr
Listing Office:
Coldwell Banker Schmitt Lower Keys (KW)
Last Updated: March - 19 - 2026
The data relating to real estate for sale on this web site comes in part from the Florida Keys MLS, Inc. Information provided is deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. The information being provided is for consumers’ personal, non-commeral use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. IDX data is deemed reliable but is not guaranteed accurate by the MLS.