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9104 Aviation Boulevard, Marathon, FL 33050

New Listing
$1,499,000
Property Type: Residential Bedrooms: 4 Baths: 4 Square Footage: 1,924 Lot Size (sq. ft.): 7,500 Status: Active
Current Price: $1,499,000 List Date: 10/16/2026 Last Modified: 10/16/2026

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!

More Information MLS# 621663

Contract Information

Current Price: $1,499,000 Listing Date: 2026-10-16 Listing Board: Key West Association List Price: $1,499,000 As is Rght to Inspct: Yes Species List: No

Location Tax Legal

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 Style: Duplex Waterfront: Yes Control Depth: 3 Pool: No Year Built: 1978 Lot Size: 75 X 100 Lot SqFt: 7500 Lot Sqft Source: Property Data Card Acres: 0.17 Living Apx SqFt: 1924 SqFt Source: Property Data Card Total Bedrooms: 4 Full Baths: 4 Total Baths: 4 Rentals Allowed: With Restrictions Min Rental Days: 7

Status Change Info

Status: Active

Association Info

Mandatory Home Owners Asc: No 1st Right of Refusal: No

Dockage

Dock Length: 75 Dock: Concrete

Building Style

Above Flood: Yes

Vehicle Storage

Car(s): 4+

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.

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