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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
The data relating to real estate for sale on this web site comes in part from the Florida Keys MLS, Inc. Information provided is deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. The information being provided is for consumers’ personal, non-commeral use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. IDX data is deemed reliable but is not guaranteed accurate by the MLS.

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