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$1,499,000
Marathon, FL 33050
MLS# 621663
4 beds | 4 baths | 1924 sqft
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Property Description
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!
Details
Maps
Contract Information
Listing Board: Key West Association
As is Rght to Inspct: Yes
Species List: No
Current Price: $1,499,000
Listing Date: 2026-10-16
List Price: $1,499,000
Location, Tax & Legal
City: MARATHON
Mile Marker: 52
Marathon Neighborhood: Behind the Airport
Side: Bay/Gulf
Flood Zone: AE
Alternate Key #: 1405329
Parcel #: 00331061-000600
Zoning: RM - Residential Medium
Deed Restrictions: Unknown
Legal: BK 1 LT 6 SEA-AIR ESTATES VACA KEY PB6-91
Taxes: 9513.58
Tax Year: 2025
Pub Sewer HkUp: Yes
Street #: 9104
Street Name: Aviation
Street Suffix: Boulevard
Key/Island: Marathon
State/Province: FL
Zip Code: 33050
County: Monroe
Subdivision: Sea-Air Estates (52.0)
Area: 15 - Sombrero Bch Rd to Vaca Cut Gulfside
General Property Description
Realtor.COM Type: Residential - Single Family
Waterfront: Yes
Control Depth: 3
Lot Size: 75 X 100
Lot SqFt: 7500
Pool: No
Lot Sqft Source: Property Data Card
Total Units: 0
Acres: 0.17
SqFt Source: Property Data Card
Rentals Allowed: With Restrictions
Min Rental Days: 7
Style: Duplex
Year Built: 1978
Living Apx SqFt: 1924
Total Bedrooms: 4
Full Baths: 4
Total Baths: 4
Remarks & Misc
Remarks – Consumer: 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!
Directions: From US-1 in Marathon, turn Gulfside onto Aviation Boulevard. Continue to 9104 Aviation Boulevard.
Association Info
Mandatory Home Owners Asc: No
1st Right of Refusal: No
Association Fee $: 0
Fee Includes
None: 1
Dockage
Dock Length: 75
Dock: Concrete
Tax Exemptions
None: 1
Appliances
Dishwasher: 1
Dryer: 1
Microwave: 1
Oven: 1
Refrigerator: 1
Washer: 1
Pets
Pets Allowed: 1
Cooling
Central Air: 1
Waterfront
Canal Front: 1
Waterview
Canal View: 1
Floor
Tile: 1
Neighborhood Feature
Airstrip: 1
Bike Paths: 1
Community Boat Ramp: 1
Interior Features
Built-in Cabinets: 1
Drapes/Blinds Incl: 1
Smoke Alarms: 1
Storage: 1
Specialty Rooms
Laundry Room: 1
Utility Room: 1
Building Style
Above Flood: Yes
Windows/Doors
Impact Rstnce Window: 1
Vehicle Storage
Car(s): 4+
Carport: 1
Guest Parking: 1
Open Parking: 1
RV Parking Open: 1
Trailer Storage: 1
Construction
CBS: 1
Stucco: 1
Land Size
Less Than 1/4 Acre: 1
Furnished
Negotiable: 1
Terms
Cash: 1
Conventional: 1
FHA: 1
VA: 1
Utilities
Buyer to Verify: 1
FKAA: 1
Municipal Sewer: 1
Porch/Balcony
Screened P/B: 1
Title
Negotiable: 1
Exterior Features
Lighting: 1
Privacy Wall/Fence: 1
Shed: 1
Storage: 1
Roof
Metal Roof: 1
Status Change Info
Status: Active
Property Features
Fee Includes: None
Tax Exemptions: None
Waterfront: Canal Front
Waterview: Canal View
Vehicle Storage: Carport; Guest Parking; Open Parking; RV Parking Open; Trailer Storage
Furnished: Negotiable
Cooling: Central Air
Utilities: Buyer to Verify; FKAA; Municipal Sewer
Interior Features: Built-in Cabinets; Drapes/Blinds Incl; Smoke Alarms; Storage
Specialty Rooms: Laundry Room; Utility Room
Appliances: Dishwasher; Dryer; Microwave; Oven; Refrigerator; Washer
Exterior Features: Lighting; Privacy Wall/Fence; Shed; Storage
Construction: CBS; Stucco
Floor: Tile
Roof: Metal Roof
Pets: Pets Allowed
Neighborhood Feature: Airstrip; Bike Paths; Community Boat Ramp
Land Size: Less Than 1/4 Acre
Terms: Cash; Conventional; FHA; VA
Title: Negotiable
Listing Office: Coldwell Banker Schmitt Real Estate Co
Last Updated: October - 16 - 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.