Half Duplex with Two
250 66Th Street Marathon, FL 33050
250 66Th Street, Marathon, FL, 33050
$295,000
For Sale
$295,000
SINGLE_FAMILY - Marathon, FL
Property Size783 SF
Lot Size0.05 Acres
Price / SF$376.76
Days on Market75
Property Features for 250 66Th Street
General Information
- Property type
- Residential
- Property subtype
- Duplex
- Zoning
- RM - Residential Medium
- Bedrooms
- 2
- Bathrooms
- 1
- Rooms
- Bathroom 1, Bedroom 1, Bedroom 2
- Pets allowed
- Yes
- Exterior features
- Fencing
- Fencing
- Fenced
- Appliances
- Refrigerator
- Standard status
- Active
- APN
- 00341430-000000
- Size
- 783 SF
- Lot size
- 0.05 Acres
Taxes and HOA fees
- Tax Year
- 2025
- Tax Description
- W'LY 53.70 SQFT LT 12 BK C PUERTA DEL SOL PB3-117 KEY VACA OR121-299/300 OR421-897D/C OR775-394 OR815-1819 OR1083-1521 O
- Tax Annual Amount
- 3309
Utilities
- Cooling system
- Central Air
Building Details
- Year built
- 1971
- Floors in Building
- 1
- Flooring type
- Tile
- Building materials
- CBS
- Roof type
- Metal
Listing Agency
Coldwell Banker Schmitt Islamorada
(305) 664-4470
85990 Overseas Highway, ISLAMORADA, FL
Listed by
Susan Ashmore · License #697588
(305) 393-0214
Added: May 7 Updated: Jul 18 at 12:50 am Checked: Jul 20 at 4:06 pm
MLS# 619860
Listing URL
Copyright © 2026 Florida Keys Board of REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Investment Insights
Based on property information with market context.
This half duplex for sale includes two bedrooms and one bathroom. The property provides ample parking in the front yard and is currently occupied by long-time tenants. Total size is listed at 783 square feet.
Located at 250 66th Street in Marathon, Florida (33050) within RM - Residential Medium zoning.
Also offered for sale is the other half duplex located to the back of the property, allowing an interested buyer to consider acquiring both units.
Located at 250 66th Street in Marathon, Florida (33050) within RM - Residential Medium zoning.
Also offered for sale is the other half duplex located to the back of the property, allowing an interested buyer to consider acquiring both units.
Key Highlights
- 1971 half‑duplex with 2 bedrooms and 1 bathroom
- Central A/C and tile flooring
- Metal roof; CBS construction
Local Financial Insights For Apartment 5plus
Simulate Cap Rate and NOI
NOI Build-Up
- Vacancy
- income lost from leasable area expected to sit empty during the year — subtracted from gross rent.
- EGI (Effective Gross Income)
- gross rent minus vacancy losses — the realistic income before paying operating costs.
- OpEx (Operating Expenses)
- recurring costs to operate the property (property tax, insurance, utilities, maintenance, management) — excludes financing and capital improvements.
- NOI (Net Operating Income)
- income a property generates after operating costs but before financing and taxes.
| Component | $ | $/SF |
|---|---|---|
| Gross rent | $23.7k | $30.24 |
| − Vacancy | −$1.6k | −$2.03 |
| EGI | $22.1k | $28.21 |
| − OpEx | −$9.9k | −$12.70 |
| NOI | $12.2k | $15.52 |
783 SF · lease $30.24/SF/yr · vacancy 6.70% · expense 45.00%
Alternative Uses
Best Use
Apartment 5plus
$173.6K
$151.9K – $202.5K
NOI $12,150 @ 7.0% cap · market cap 4.12%
Second Best
—
—
no second resolved use
Theoretical Best
Office A
$315.0K
$275.6K – $367.5K
NOI $22,047 @ 7.0% cap · market cap 7.47%
Zoning and permitted uses should be independently verified with local authorities.
Property Analytics
Property Profile
Location Intelligence
Current Use by Public Records
Single family properties
Similar For Sale Nearby
FAQs
What type of property is this?
Single family property - Half duplex offers two bedrooms, one bathroom, and front-yard parking with long-term tenants in place.
Where is this single family property located?
The property is located at 250 66Th Street Marathon, FL.
What is the asking price?
The asking price for this property is $295,000.
What are key features of this property?
This property features: 1971 half‑duplex with 2 bedrooms and 1 bathroom; Central A/C and tile flooring; Metal roof; CBS construction