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280/290 3rd Street, Key Colony, FL 33051

$1,550,000
Property Type: Residential Bedrooms: 4 Baths: 4 Square Footage: 1,536 Lot Size (sq. ft.): 6,600 Status: Active
Current Price: $1,550,000 List Date: 3/16/2026 Last Modified: 3/25/2026

Overview

Description

Turnkey Raised Duplex in Key Colony Beach - Strong Rental Income or Ideal Family Vacation Property Fully furnished 2BR/2BA (per side) duplex located in the desirable Key Colony Beach community. The property is currently operating as a successful short-term rental, plus the vacation rental license was recently renewed so inspection should be easy, allowing a new owner to continue renting quickly. For buyers looking for a personal getaway, the layout is also ideal as a family vacation property, offering two separate living spaces that allow families or groups to stay close together while still having privacy. New owners can immediately obtain Cabana Club membership, which provides private beach access, pool, and hot tub, and is a major driver for vacation rental bookings in the area. The property is also walkable to restaurants and ocean-view bars. The duplex was fully remodeled in 2021, including new plumbing, flooring, AC system, and interior and exterior paint. Additional ...

Listing Details MLS# 619093

Location, Tax & Legal

Street #
280/290
Street Name
3rd
Street Suffix
Street
Key/Island
Key Colony
State/Province
FL
Zip Code
33051
County
Monroe
Subdivision
Key Colony Beach (53.5)
Area
17 - Vaca Cut - Both Sides Holiday Inn/Key Colony
City
KEY COLONY
Mile Marker
53.5
Marathon Neighborhood
Marathon East - Gulf (Airport to Vaca)
Side
Ocean
Alternate Key #
00072620-000000
Parcel #
00072600-000000
Zoning
R-2B - Key Colony Two Family
Deed Restrictions
Yes
Taxes
7779.39
Tax Year
2025
Pub Sewer HkUp
Yes

Contract Information

Listing Board
Florida Keys
As is Rght to Inspct
Yes

General Property Description

Realtor.COM Type
Multi-family
Style
Duplex
Waterfront
No
Pool
No
Year Built
1988
Total Units
2
Lot SqFt
6600
Lot Sqft Source
Property Data Card
Acres
0.15
Living Apx SqFt
1536
SqFt Source
Property Data Card
Total Bedrooms
4
Full Baths
4
Total Baths
4
Rentals Allowed
Yes
Control Depth
0

Association Info

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

Building Style

Above Flood
Yes
Stilt Column Height
Tall - 10Ft & Over
Stories
2 Stories

More Information

Vehicle Storage

Car(s)
4+
Carport
Yes
Covered Parking
Yes
Guest Parking
Yes
Attached
Yes
Off Street Parking
Yes
Trailer Storage
Yes

Financial Status

Standard Sale
Yes

Remarks & Misc

Remarks – Consumer
Turnkey Raised Duplex in Key Colony Beach - Strong Rental Income or Ideal Family Vacation Property Fully furnished 2BR/2BA (per side) duplex located in the desirable Key Colony Beach community. The property is currently operating as a successful short-term rental, plus the vacation rental license was recently renewed so inspection should be easy, allowing a new owner to continue renting quickly. For buyers looking for a personal getaway, the layout is also ideal as a family vacation property, offering two separate living spaces that allow families or groups to stay close together while still having privacy. New owners can immediately obtain Cabana Club membership, which provides private beach access, pool, and hot tub, and is a major driver for vacation rental bookings in the area. The property is also walkable to restaurants and ocean-view bars. The duplex was fully remodeled in 2021, including new plumbing, flooring, AC system, and interior and exterior paint. Additional updates through 2024-2026 include impact windows and doors, updated ductwork, roof improvements, new drywall in one unit, new washer and dryer, grills, and water heaters, making the property well-maintained and move-in or rental ready. A large outdoor seating area and yard provide space for guests or family to gather, making it especially attractive for groups renting or using both sides of the duplex. Fully furnished and turnkey for immediate use or continued rental income.
Directions
From Overseas Hwy (US-1) turn onto Sadowski Causeway into Key Colony Beach, go over the bridge, turn left on W Ocean Drive, then right on 3rd Street and continue to 280 3rd St.

Fee Includes

None
Yes

Dockage

None
Yes

Tax Exemptions

None
Yes

Appliances

Dishwasher
Yes
Disposal
Yes
Dryer
Yes
Freezer
Yes
Ice Machine
Yes
Microwave
Yes
Oven
Yes
Range
Yes
Refrigerator
Yes
Stainless Steel Appliance(s)
Yes
Washer
Yes
Water Softener
Yes

Pets

Pets Allowed
Yes

Cooling

Ceiling Fans(s)
Yes
Central Air
Yes

Heating

Central
Yes

Waterfront

None
Yes

Waterview

No Waterview
Yes

Floor

Laminate
Yes

Neighborhood Feature

Beach
Yes
Community Boat Ramp
Yes
Community Pool
Yes
Spa
Yes
Tennis Courts
Yes

Interior Features

Built-in Cabinets
Yes
Smoke Alarms
Yes

Windows/Doors

Impact Rstnce Window
Yes
Other Windows/Doors
Yes

Construction

Concrete
Yes
Stucco
Yes

Land Size

Less Than 1/4 Acre
Yes

Furnished

Furnished
Yes

Terms

Cash
Yes
Conventional
Yes
VA
Yes

Utilities

Cable Available
Yes
FKAA
Yes
Municipal Sewer
Yes

Porch/Balcony

Open Porch/Balcony
Yes
Patio
Yes

Title

Negotiable
Yes

Exterior Features

Lighting
Yes
Rain Gutters
Yes
Storage
Yes

Roof

Metal Roof
Yes

Property Features

Fee Includes: None Tax Exemptions: None Waterfront: None Waterview: No Waterview Dockage: None Vehicle Storage: Carport; Attached; Covered Parking; Guest Parking; Off Street Parking; Trailer Storage Furnished: Furnished Cooling: Ceiling Fans(s); Central Air Heating: Central Utilities: Cable Available; FKAA; Municipal Sewer Interior Features: Built-in Cabinets; Smoke Alarms Appliances: Dishwasher; Disposal; Dryer; Freezer; Ice Machine; Microwave; Oven; Range; Refrigerator; Stainless Steel Appliance(s); Washer; Water Softener Exterior Features: Lighting; Rain Gutters; Storage Construction: Concrete; Stucco Floor: Laminate Roof: Metal Roof Pets: Pets Allowed Neighborhood Feature: Beach; Community Boat Ramp; Community Pool; Spa; Tennis Courts Land Size: Less Than 1/4 Acre Terms: Cash; Conventional; VA Title: Negotiable

Room Information

Room Name Level
Bedroom 1 Second
Bedroom 2 Second
Bedroom 3 Second
Bedroom 4 Second
Full Bathroom Second
Full Bathroom Second
Full Bathroom Second
Full Bathroom Second
Listing Office: Birch Haven Real Estate
Last Updated: March - 25 - 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.