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340-350 E Ocean Drive, 
Marathon, FL 33050

$1,550,000


5

Beds


3

Baths


2,918

Sq Ft


Single Family

Active

305-743-5181

Last updated:

March 11, 2026, 04:52 PM

MLS#

619018

Source:

FL FKBOR

About This Home

340-350 E Ocean Drive

Rare opportunity to own a legal duplex being sold as A Single Family Home in the heart of Key Colony Beach in the beautiful Florida Keys. Located just one street off the Atlantic Ocean, 340-350 E Ocean Drive offers exceptional space, boating access, and an amazing investment opportunity with flexibility at a competitive price designed to sell. With 5 bedrooms, 3 bathrooms, and over 2,900 sq ft of living space, this property provides the rare opportunity to own a large waterfront home while still benefiting from the layout of a legal duplex. Sold together as a single property, it offers incredible versatility for full-time living, vacation use, or income-producing investment. Boaters will appreciate 50 feet of dockage with dual docks, allowing space for multiple vessels and providing a quick, easy ride to the open Atlantic for world-class fishing and boating. The 340 E Ocean Drive side features towering ceilings and dramatic floor-to-ceiling windows, filling the home with natural light while showcasing beautiful canal views from multiple areas. This side includes 3 bedrooms, 2 bathrooms, and a private balcony to enjoy the coastal breeze. The 350 E Ocean Drive side offers 2 bedrooms and 1 bathroom, along with its own private balcony overlooking the canal, the perfect spot to enjoy a morning coffee or evening sunset. Enjoy both ocean and canal views from this prime location just steps from the Atlantic. With a proven rental history, this property offers outstanding flexibility. Owners have the flexibility to live in one side and rent the other or rent both for maximum income potential. Updates include; Impact windows and doors (2021) 5V Metal Crimp Roof (2021) AC ( 2021 & 2023) New Dock Posts (2024) Competitively priced and offering size, dockage, and location, this is a standout opportunity to own a versatile waterfront property in Key Colony Beach. Call Today!

Home Facts

Single Family

3 Baths

5 Bedrooms

Built in 1986

Price Summary

1,550,000

$531 per Sq. Ft.

MLS #:

619018

Last Updated:

March 11, 2026, 04:52 PM


Rooms & Interior

Bedrooms

Total Bedrooms:

5

Bathrooms

Total Bathrooms:

3

Full Bathrooms:

3

Interior

Living Area:

2,918 Sq. Ft.


Structure

Structure

Architectural Style:

Single Family

Building Area:

2,918 Sq. Ft.

Year Built:

1986


Lot

Lot Size (Sq. Ft):

5,859


Finances & Disclosures

Finances

Price:

$1,550,000

Price per Sq. Ft:

$531 per Sq. Ft.

340-350 E Ocean Drive
Source:FL FKBOR
The information being provided by Florida Keys Board Of REALTORS®, Inc. is for the consumer’s personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The information is deemed reliable but not guaranteed and should therefore be independently verified. © 2026 Florida Keys Board Of REALTORS®, Inc. All rights reserved.

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Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.