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1911 Seidenberg Ave, Key West, FL - photo 1
Active
1911 Seidenberg Ave, Key West, FL - photo 2
1911 Seidenberg Ave, Key West, FL - photo 3
1911 Seidenberg Ave, Key West, FL - photo 4
1911 Seidenberg Ave, Key West, FL - photo 5
+56

$1,250,000

2 beds2 baths1,119 sqft|619758 MLS#

1911 Seidenberg Ave, Key West, FL 33040

Est.$7,500/moGet pre-qualified

Multi Family

Residential

Built in

1943

Lot size

5,227 sqft

Price/sqft

$1117

HOA

None

Listed by: Everett H Smith 305-304-2651, Ocean Sotheby's International Realty 305-294-1117

Source:Florida Keys MLS (FLKMLS)|MLS #619758

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Preferred Brokerage Partner

Kinsfolk Realty

Kinsfolk Signature Realty

What's special

With only two owners in its history, this well-maintained two-story property presents a rare investment opportunity in Key West. Configured as a legal duplex with two separately metered 1-bedroom, 1-bath units, it offers exceptional flexibility--ideal for investors seeking strong rental potential, business owners looking for employee housing, or owner-occupants wanting to offset costs by renting one unit while living in the other.Set on a 5,000 sq ft lot, the property is surrounded by lush, mature tropical landscaping with a wide variety of plants and palms, creating a private, shaded, treehouse-like setting filled with natural light. Two large screened porches and additional open-air spaces provide ideal indoor-outdoor living, while an outdoor shower enhances the island lifestyle.The home has been thoughtfully updated and well cared for, featuring Mitsubishi mini-split A/C systems in both units, a new hot water heater, new ceiling fans, impact windows upstairs, new gutters, updated appliances, and soft-close cabinetry. Interior finishes include a mix of pine, vinyl, and concrete flooring, along with stainless, Formica, and butcher block countertops. Both units offer full bathrooms with tubs.Additional highlights include two off-street parking spaces, low-maintenance grounds, and multiple windows throughout for abundant natural light and airflow. Located in desirable Midtown East, just minutes from everything Key West has to offer, this is a versatile, income-producing property with strong upside potential.

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Facts & features

Bedrooms & bathrooms

  • Bedrooms:2
  • Bathrooms:2
  • Full bathrooms:0

Heating

  • Has Heating:Yes

Interior area

  • Total structure area:1,119 sqft
  • Total interior livable area:1,119 sqft

Parking

  • Parking features:N/A
  • Garage spaces:0
  • Has attached garage:No

Lot

  • Size:5,227 sqft

Details

  • Parcel number:N/A

Type & style

  • Home type:Multi Family
  • Property subtype:Residential

Materials

  • • N/A

Condition

  • Year built:1943

Contact agent

Price history

DateEventPrice
9/17/2026Listed for sale$1,250,000$1117/sqft

Data Powered by Home Junction, Inc.