CANALFRONT DUPLEX WITH EXCELLENT BOATING & INVESTMENT POTENTIAL! Discover a fantastic opportunity to own this canalfront duplex in the heart of Marathon, offering excellent boating access and the flexibility of weekly vacation rentals! Situated on a 7,500 sq. ft. lot along an approximately 50' wide, crystal-clear canal, this property features two spacious 2-bedroom, 2-bath residences totaling 1,924 sq. ft. Each unit offers an inviting open floor plan, laundry, a private screened porch overlooking the water perfect for enjoying the tropical breezes and downstairs storage. Boating enthusiasts will appreciate the concrete dockage, with room to accommodate boats up to 36' on each side. Solid CBS construction with impact windows and standing seam metal roof. With weekly rentals permitted, this property presents outstanding income-producing potential, whether you choose to rent both residences or enjoy one while generating income from the other. Conveniently located behind the Marathon Airport with the public boat ramp close by and just minutes from dining, shopping, beautiful Sombrero Beach, and all the attractions that make Marathon a premier Florida Keys destination. An exceptional opportunity to enjoy the Keys lifestyle while capitalizing on the area's strong vacation rental appeal!
For sale
$1,499,000
9104 Aviation Blvd, Marathon, FL 33050
4beds
1,924sqft
Duplex
Built in 1978
-- sqft lot
$-- Zestimate®
$779/sqft
$-- HOA
What's special
Canalfront duplexInviting open floor planSolid cbs constructionStanding seam metal roofImpact windows
- 7 hours
- 105
- 11
Zillow last checked:
Listing updated:
Listed by:
Lisa H Ferringo 305-797-1221,
Coldwell Banker Schmitt Real Estate Co
Source: FLKMLS,MLS#: 621663
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 4
- Full bathrooms: 4
Cooling
- Central Air
Appliances
- Included: Washer, Dryer, Dishwasher, Refrigerator, Oven, Microwave
- Laundry: Laundry Room
Features
- Built-in Features, Storage
- Flooring: Tile
Interior area
- Total structure area: 1,924
- Total interior livable area: 1,924 sqft
Property
Parking
- Parking features: Open, RV Access/Parking, Storage
- Has uncovered spaces: Yes
Features
- Exterior features: Lighting, Storage
- Fencing: Privacy
- On waterfront: Yes
Lot
- Size: 7,405 Square Feet
- Dimensions: 75 X 100
Details
- Additional structures: Shed(s)
- Parcel number: 00331061000600
- Zoning: RM - Residential Medium
Construction
Type & style
- Home type: MultiFamily
- Property subtype: Duplex
Materials
- CBS, Stucco
Condition
- Year built: 1978
Community & HOA
Community
- Features: Community Boat Ramp, Bike Paths
- Subdivision: Sea-Air Estates (52.0)
HOA
- Has HOA: No
- Services included: None
Location
- Region: Marathon
Financial & listing details
- Price per square foot: $779/sqft
- Tax assessed value: $930,666
- Annual tax amount: $9,513
- Date on market: 10/16/2026
- Listing terms: Cash,Conventional,FHA
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 10/16/2026 | Listed for sale | $1,499,000+649.5%$779/sqft |
Source: | ||
| 8/23/2013 | Sold | $200,000-99.2%$104/sqft |
Source: Public Record Report a problem | ||
| 8/29/1994 | Sold | $24,000,000$12,474/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $9,514 +4.6% | $809,984 +21% |
| 2023 | $9,094 +12.1% | $669,408 +10% |
| 2022 | $8,112 +7% | $608,553 +10% |
| 2021 | $7,584 +12.3% | $553,230 +10% |
| 2020 | $6,755 | $502,936 -1% |
| 2019 | $6,755 -0.7% | $508,249 -1.1% |
| 2018 | $6,803 +2.1% | $514,155 -0.7% |
| 2017 | $6,660 +2.7% | $517,777 +8.2% |
| 2016 | $6,487 +4.1% | $478,497 +19.6% |
| 2015 | $6,230 | $400,117 |
Find assessor info on the county website
Monthly payment
Est. payment




