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For Sale

668 & 670 89Th Street Ocean

668 & 670 89Th Street Ocean, Marathon, FL 33050

$1,725,000

Magnificent legal duplex in the vibrant heart of the Florida Keys, offering highly sought-after 7-day rental flexibility--an exceptional advantage for investors and homeowners alike. Elevated on stilts, this impressive property features two spacious bedrooms and two full bathrooms on each side, creating the perfect setup for extended families, dual living, or maximizing rental income. Ideally located just four properties from the Atlantic Ocean, the home boasts an expansive 70-foot seawall with quick, easy boating access to open water-making it a true boater's paradise. Both residences have been thoughtfully updated with modern finishes, enhancing comfort, style, and long-term value.Whether you're looking for a high-performing vacation rental, a primary residence with income potential, or a combination of both, this rare duplex offers unmatched versatility in one of the Florida Keys' most desirable locations.

4/26/2026 10:00AM - 2:00PM EDT

4
beds

4
baths

2,016 Sq.Ft. LIVING AREA

6,440 Sq.Ft. lot

Features & Amenities

Interior

total bedrooms4
Total bathrooms4
full bathrooms4
APPLIANCES Washer, Freezer, Microwave, Oven, Range, Refrigerator, Dishwasher, Dryer

Area & Lot

Status For Sale
OPEN HOUSE

4/26/2026 10:00AM - 2:00PM EDT
Living Area2,016 Sq.Ft.
Total Area2,016 Sq.Ft.
Lot Area6,440 Sq.Ft.
MLS® ID618025
TypeMulti-Family
YEAR BUILT1976
NeighborhoodMarathon
Water FrontageCanal Front
View DescriptionOcean View, Open Water View, Canal View
School DistrictNo

Exterior

utilitiesFKAA, Cable Available, Elect Separate Meter, Water Separate Meter, Buyer to Verify, Municipal Sewer
parkingCovered Parking
AIR CONDITIONINGCentral Air, Ceiling Fans(s)
HOA AmenitiesNone

Financial

Sales Price$1,725,000
Real Estate Tax $12,920/yr
Zoning RM - Residential Medium

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81888 Overseas Highway Islamorada FL 33036 10055 Overseas Highway Marathon FL 33050 1075 Duval Street Suite 15C Key West FL 33040

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668 & 670 89Th Street Ocean

$1,725,000

Features & Amenities

Interior

Area & Lot

Exterior

Financial

Schedule a Showing

Schedule a Showing

Marathon

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