340-350 E Ocean Drive, Marathon, FL 33050
New Listing
$1,550,000
Property Type:
Residential
Bedrooms:
5
Baths:
3
Square Footage:
2,918
Lot Size (sq. ft.):
5,859
Status:
Active
Current Price:
$1,550,000
List Date:
3/11/2026
Last Modified:
3/14/2026
Description
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!
More Information MLS# 619018
Contract Information
Current Price: $1,550,000
Listing Date: 2026-03-11
Listing Board: Marathon/Lower Keys
List Price: $1,550,000
Location Tax Legal
Street #: 340-350
Direction: E
Street Name: Ocean
Street Suffix: Drive
Key/Island: Marathon
State/Province: FL
Zip Code: 33050
County: Monroe
Subdivision: Key Colony Bch Yacht (53.5)
Area: 17 - Vaca Cut - Both Sides Holiday Inn/Key Colony
General Property Description
Realtor.COM Type: Residential - Single Family
Style: Single Family
Waterfront: Yes
Control Depth: 5
Pool: No
Year Built: 1986
Lot SqFt: 5859
Living Apx SqFt: 2918
SqFt Source: Tax Records
Total Bedrooms: 5
Full Baths: 3
Total Baths: 3
Rentals Allowed: Yes
Min Rental Days: 7
Status Change Info
Status: Active
Association Info
Mandatory Home Owners Asc: No
1st Right of Refusal: No
Dockage
Dock Length: 50
Dock: Wood
Building Style
Above Flood: Unknown
Stilt Column Height: Medium - 5Ft - 9Ft
Vehicle Storage
Car(s): 4+
Property Features
Fee Includes: None
Tax Exemptions: None
Waterfront: Canal Front
Waterview: Canal View
Dockage: Other Dockage
Vehicle Storage: Open Parking
Furnished: Furnished
Cooling: Central Air
Heating: Forced Air
Utilities: FKAA; Sewer Available
Interior Features: Built-in Cabinets; Cathedral Ceilings; Storage; Window Treatments
Specialty Rooms: Utility Room
Appliances: Dishwasher; Dryer; Microwave; Oven; Refrigerator; Washer
Exterior Features: Shed; Storage
Construction: Frame
Floor: Vinyl
Roof: Metal Roof
Pets: Pets Allowed
Neighborhood Feature: Beach; Bike Paths; Tennis Courts
Land Size: Less Than 1/4 Acre
Terms: Cash; Conventional
Title: Negotiable
Listing Office: Coldwell Banker Schmitt Real Estate Co.
Last Updated: March - 14 - 2026
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