437 Harbour Dr, Duck Key, FL 33050
Home value
$5,023,900
$4.37M - $5.78M
$7,787/mo
Owner options
$7,787/mo
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Zillow last checked:
Listing updated:
Lisa H Ferringo,
Coldwell Banker Schmitt Lower Keys (KW)
Sheryl Ann Phillips, 6502322908
Coldwell Banker Schmitt Real Estate Co.
Richard Lee Phillips, 3269442
Coldwell Banker Schmitt Real Estate Co.
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 3
- Full bathrooms: 3
Cooling
- Central Air, Ceiling Fans(s)
Appliances
- Included: More Appliances, Stainless Steel Appliance(s), Wine Cooler, Microwave, Oven, Range, Refrigerator, Dishwasher, Dryer, Washer, Vent Hood, Tankless Water Heater
- Laundry: Laundry Room
Features
- Cathedral Ceiling(s), Quartz Countertops, Bar, Walk-In Closet(s), Storage, Granite Counters, Built-in Cabinets, Entrance Foyer, Pantry, Split Bedroom, Utility Room
- Flooring: Tile
- Doors: Impact Rstnce Doors
- Windows: Impact Rstnce Window, Roll Down Electric
- Attic: Pull Down Stairs
Interior area
- Total interior livable area: 2,780 sqft
Property
Parking
- Total spaces: 4
- Parking features: Carport, Trailer Storage, Covered, Off Street, Open
- Has carport: Yes
- Has uncovered spaces: Yes
Features
- Patio & porch: Open Porch/Balcony, Deck, Patio
- Exterior features: Storage, Sandy Beach, Lighting
- Has private pool: Yes
- Pool features: Heated, In Ground, Concrete, Salt Water
- Has spa: Yes
- Spa features: Private
- Fencing: Fenced
- Has view: Yes
- View description: Ocean, Water
- Has water view: Yes
- Water view: Ocean,Water
- Waterfront features: Oceanfront, Open Water, Waterfront, Sandy Beach, Dock: Wood, Dockage: Boat Lift
Lot
- Size: 1.35 Acres
- Features: 1 Less Than 2 Acres
Details
- Additional structures: Workshop
- Parcel number: 00376951002200
- Zoning: IS
- Zoning description: Improved Subivision District
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- CBS
- Roof: Metal
Condition
- Updated/Remodeled
- New construction: No
- Year built: 2020
Utilities & green energy
- Sewer: Municipal Sewer, Public Sewer
- Utilities for property: FKAA, Buyer to Verify
Community & neighborhood
Security
- Security features: Smoke Detector(s), Security System, Electric Gate
Community
- Community features: Pool, Bike Paths, Spa, Other, Beach, Tennis Court(s), Clubhouse
Location
- Region: Duck Key
- Subdivision: Harbour Island (61.0)
HOA & financial
HOA
- Has HOA: No
- Services included: None
Other
Other facts
- Listing terms: Cash,Conventional
Price history
| Date | Event | Price |
|---|---|---|
| 8/28/2025 | Sold | $5,000,000-9.1%$1,799/sqft |
Source: | ||
| 7/29/2025 | Pending sale | $5,499,000$1,978/sqft |
Source: | ||
| 7/11/2025 | Contingent | $5,499,000$1,978/sqft |
Source: | ||
| 5/28/2025 | Price change | $5,499,000-12.7%$1,978/sqft |
Source: | ||
| 4/8/2025 | Price change | $6,299,000-10%$2,266/sqft |
Source: | ||
| 1/22/2025 | Price change | $6,999,000-6.7%$2,518/sqft |
Source: | ||
| 7/2/2024 | Listed for sale | $7,499,000+316.6%$2,697/sqft |
Source: | ||
| 8/22/2018 | Listing removed | $11,000$4/sqft |
Source: CENTURY 21 Schwartz Realty #577212 Report a problem | ||
| 7/3/2018 | Listed for rent | $11,000$4/sqft |
Source: CENTURY 21 Schwartz Realty #577212 Report a problem | ||
| 6/28/2018 | Sold | $1,800,000-14.3%$647/sqft |
Source: | ||
| 12/5/2017 | Listed for sale | $2,100,000+5%$755/sqft |
Source: Ocean Sotheby's International Realty #577734 Report a problem | ||
| 10/4/2017 | Listing removed | $2,000,000$719/sqft |
Source: Ocean Sotheby's International Realty #577734 Report a problem | ||
| 9/1/2017 | Price change | $2,000,000-15.8%$719/sqft |
Source: Ocean Sotheby's International Realty #577734 Report a problem | ||
| 8/9/2017 | Price change | $2,375,000+18.8%$854/sqft |
Source: Ocean Sotheby's International Realty #577734 Report a problem | ||
| 7/17/2017 | Price change | $2,000,000-15.8%$719/sqft |
Source: Ocean Sotheby's International Realty #577734 Report a problem | ||
| 11/29/2016 | Listed for sale | $2,375,000-17.4%$854/sqft |
Source: Ocean Sotheby's International Realty #572940 Report a problem | ||
| 6/9/2016 | Listing removed | $2,876,000$1,035/sqft |
Source: Island Breeze Realty, LLC #569272 Report a problem | ||
| 12/10/2015 | Listed for sale | $2,876,000+47.5%$1,035/sqft |
Source: Island Breeze Realty, LLC Report a problem | ||
| 11/8/2014 | Listing removed | $1,950,000$701/sqft |
Source: American Caribbean Real Estate Middle Keys #561241 Report a problem | ||
| 5/25/2013 | Listed for sale | $1,950,000+56%$701/sqft |
Source: American Caribbean Real Estate Middle Keys #561241 Report a problem | ||
| 6/6/2003 | Sold | $1,250,000$450/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $28,895 +4.2% | $2,741,967 +10% |
| 2024 | $27,735 +0.1% | $2,492,697 +10% |
| 2023 | $27,717 +28.5% | $2,266,088 +15.2% |
| 2022 | $21,573 +16.1% | $1,967,649 +7.9% |
| 2021 | $18,587 +10.6% | $1,823,554 +10% |
| 2020 | $16,810 | $1,657,776 +4.1% |
| 2019 | $16,810 +3.5% | $1,592,471 -10.6% |
| 2018 | $16,239 +6.5% | $1,782,230 +4.4% |
| 2017 | $15,251 +6.2% | $1,707,175 +12.2% |
| 2016 | $14,359 +7.2% | $1,521,333 +11.2% |
| 2015 | $13,391 | $1,368,399 |
Find assessor info on the county website
Neighborhood: 33050
Nearby schools
GreatSchools rating
- 5/10Stanley Switlik Elementary SchoolGrades: PK-5Distance: 11.6 mi
- 5/10Marathon SchoolGrades: 6-12Distance: 10.9 mi
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- Florida
- Monroe County
- Marathon
- 33050
- 437 Harbour Dr

