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  • 340-350 E Ocean Drive, Key Colony, FL 33051 (MLS# 619018)

340-350 E Ocean Drive, Key Colony, FL 33051

$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: 4/14/2026

Description

Investors! Full Duplex! Own both sides! This is rare opportunity to own a legal duplex being sold 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. Head over to the Cabana Club which is just steps away, for some fun in the sun! 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

More Information MLS# 619018

Contract Information

Listing Board: Marathon/Lower Keys Current Price: $1,550,000 Listing Date: 2026-03-11 List Price: $1,550,000

Location, Tax & Legal

City: KEY COLONY Mile Marker: 53.5 Marathon Neighborhood: Marathon East - Gulf (Airport to Vaca) Side: Ocean Alternate Key #: 1077186 Zoning: R-2A - Key Colony Two Family Deed Restrictions: Unknown Legal: BK 3 LT 45 KEY COLONY BEACH PB3-120 SHELTER KEY Taxes: 9835.95 Tax Year: 2025 Pub Sewer HkUp: Yes Street #: 340-350 Direction: E Street Name: Ocean Street Suffix: Drive Key/Island: Key Colony State/Province: FL Zip Code: 33051 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 Waterfront: Yes Control Depth: 5 Lot SqFt: 5859 Pool: No SqFt Source: Tax Records Rentals Allowed: Yes Min Rental Days: 7 Style: Duplex Year Built: 1986 Living Apx SqFt: 2918 Total Bedrooms: 5 Full Baths: 3 Total Baths: 3

Remarks & Misc

Remarks – Consumer: Investors! Full Duplex! Own both sides! This is rare opportunity to own a legal duplex being sold 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. Head over to the Cabana Club which is just steps away, for some fun in the sun! 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 Directions: US 1 TO SADOWSKI CSWY TO EAST OCEAN DR

Association Info

Mandatory Home Owners Asc: No 1st Right of Refusal: No Association Fee $: 0

Fee Includes

None: 1

Dockage

Dock Length: 50 Dock: Wood Other Dockage: 1

Tax Exemptions

None: 1

Appliances

Dishwasher: 1 Dryer: 1 Microwave: 1 Oven: 1 Refrigerator: 1 Washer: 1

Pets

Pets Allowed: 1

Cooling

Central Air: 1

Heating

Forced Air: 1

Waterfront

Canal Front: 1

Waterview

Canal View: 1

Floor

Vinyl: 1

Neighborhood Feature

Beach: 1 Bike Paths: 1 Tennis Courts: 1

Interior Features

Built-in Cabinets: 1 Cathedral Ceilings: 1 Storage: 1 Window Treatments: 1

Specialty Rooms

Utility Room: 1

Building Style

Above Flood: Unknown Stilt Column Height: Medium - 5Ft - 9Ft

Windows/Doors

Impact Rstnce Doors: 1 Impact Rstnce Window: 1

Vehicle Storage

Car(s): 4+ Open Parking: 1

Construction

Frame: 1

Land Size

Less Than 1/4 Acre: 1

Furnished

Furnished: 1

Terms

Cash: 1 Conventional: 1

Utilities

FKAA: 1 Sewer Available: 1

Porch/Balcony

Deck: 1 Open Porch/Balcony: 1

Title

Negotiable: 1

Exterior Features

Shed: 1 Storage: 1

Roof

Metal Roof: 1

Status Change Info

Status: Active

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: April - 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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