About 668 & 670 89th Street Ocean
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.
Features of 668 & 670 89th Street Ocean
| MLS® # | 618025 |
|---|---|
| Price | $1,725,000 |
| Bedrooms | 4 |
| Bathrooms | 4.00 |
| Full Baths | 4 |
| Square Footage | 2,016 |
| Acres | 0.14 |
| Year Built | 1976 |
| Type | Residential |
| Sub-Type | Duplex |
| Status | Active |
Community Information
| Address | 668 & 670 89th Street Ocean |
|---|---|
| Area | 16 - Sombrero Bch Rd to Vaca Cut - Oceanside |
| Subdivision | Gulfstream Shore (Marathon) (52.0) |
| City | Marathon |
| County | Monroe |
| State | FL |
| Zip Code | 33050 |
Amenities
| Utilities | FKAA, Municipal Sewer, Buyer to Verify, Water Separate Meter, Elect Separate Meter, Cable Available |
|---|---|
| Parking | Covered Parking |
| View | Ocean View, Canal View, Open Water View |
| Is Waterfront | Yes |
| Waterfront | Canal Front |
| Has Pool | No |
Interior
| Appliances | Washer, Dryer, Dishwasher, Refrigerator, Range, Oven, Microwave, Freezer |
|---|---|
| Cooling | Central Air, Ceiling Fans(s) |
| Fireplace | No |
| Has Basement | No |
Exterior
| Lot Description | Less Than 1/4 Acre |
|---|---|
| Construction | CBS |
Additional Information
| Date Listed | January 10th, 2026 |
|---|---|
| Days on Market | 107 |
| Zoning | RM - Residential Medium |
| Short Sale | No |
| RE / Bank Owned | No |
Listing Details
| Agent | Frank Griffiths |
|---|---|
| Office | Lokation Real Estate |