Search
Two-Bedroom Half Duplex
For Sale
$295,000

250 66Th Street, Marathon, FL 33050

Residential, Marathon, FL

Property Size783 SF
Lot Size0.05 Acres
Price / SF$376.76
Days on Market179

Property Features for 250 66Th Street

General Information

Property type Residential
Property subtype Duplex
Zoning RM - Residential Medium
Bedrooms 2
Bathrooms 1
Full bathrooms 1
Rooms Bathroom 1, Bedroom 1, Bedroom 2
Pets allowed Yes
Exterior features Fencing
Fencing Fenced
Appliances Refrigerator
Subdivision Puerta Del Sol (50.5)
View Water
Directions Turn ocean side at MM 50.5 just south of the KFC. At the stop sign, turn left and take the first right. House is on the left.
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
Legal 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

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
Listed By: Susan Ashmore · License #697588
Added: May 7 Changed: Oct 30 Last Checked: Nov 1 at 10:06PM
MLS# 619860

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.

Rey
Ask AI about this property
Review the available facts, identify missing information and prepare questions for the agent.

Investment Insights

Based on property information with market context.

This 783-square-foot half duplex, built in 1971, offers two bedrooms and one bathroom in a CBS construction design. Tile flooring, central air, a fenced exterior, and front-yard parking are included. The metal roof is approximately 5 years old.

The property is zoned RM - Residential Medium and sits on a 0.05-acre lot. The refrigerator is the only appliance included; it is functional but has exterior rust. A stove, washer, and dryer are needed, and the central air system is older.

Key Highlights

  • Two‑bedroom, one‑bathroom half duplex with 783 square feet
  • 0.05‑acre lot zoned RM - Residential Medium
  • Metal roof approximately 5 years old

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$13,117
Cap Rate
4.45%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$262,340 $262.3K
Cap Rate 7%
$187,386 $187.4K
Cap Rate 9%
$145,744 $145.7K
Market Conditions
NOI Build-Up for 783 SF
Gross rent
$20.0K $25.56/SF
− Vacancy
−$1.3K −$1.63/SF
EGI
$18.7K $23.93/SF
− OpEx
−$5.6K −$7.18/SF
NOI
$13.1K $16.75/SF
Area
Monroe County, FL
Vacancy
6.37%
Lease Rate
$25.56 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$262,340
Cap Rate 7%
$187,386
Cap Rate 9%
$145,744

Alternative Uses

Best Use
Multifamily LT 5
$187.4K
$164.0K – $218.6K (±1% cap)
NOI $13,117 @ 7.0% cap · market cap 4.45%
Second Best
Apartment 5plus
$173.6K
$151.9K – $202.5K (±1% cap)
NOI $12,150 @ 7.0% cap · market cap 4.12%
Theoretical Best
Office A
$315.0K
$275.6K – $367.5K (±1% cap)
NOI $22,047 @ 7.0% cap · market cap 7.47%
Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

Who owns this building? See the owner, sales and loan history
Open Analytics

Lease Details

1
Residential units

Location Intelligence

Trade Area within ½ mile

538
Businesses Nearby

Demographics for 33050, FL

10,479
Population
7,314
Households
1.4
Avg Household Size
50
Median Age
34%
College-Educated
90%
High-School Grad
9.1 sq mi
ZIP Area
1,152
Density / Sq Mi
$83,243
Median Household Income
$40,006
Median Earnings
$1,611
Median Rent
$705,600
Median Home Value
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
View Realmo Analytics

Market

Vacancy Rate% for Multifamily in South region

8.5% 2022
10.2% 2023
11.4% 2024
11.3% 2025

Frequently Asked Questions

What type of property is this?
Duplex - Fenced grounds, front-yard parking, and a metal roof support this CBS-built residential property.
Where is this duplex 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: Two‑bedroom, one‑bathroom half duplex with 783 square feet; 0.05‑acre lot zoned RM - Residential Medium; Metal roof approximately 5 years old
Research This Page with AI

Rey answers here. ChatGPT, Grok and Claude get the same data packet.

Includes: Price & PSF · Cap rate · Location · Zoning

Ask Rey → ChatGPT Grok Claude
Preferred Make Realmo a preferred source.

Our comps and market reports get this label in your Google results.

Add as a preferred source on Google One click on Google
More about this property
Thanks! Your message was sent.
Error! Your message wasn't sent.
Please enter your name
Please enter email
Please enter the email in the correct format
Please enter phone
Please enter the number in the correct format
Please enter message
Why this one?
Saved