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$1,550,000

  • For Sale
  • Active
  • Duplex
  • 4 Beds
  • 4 Full Baths
  • 1,536 Sq. Ft.
  • Updated 10 days ago
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Turnkey Raised Duplex in Key Colony Beach - Strong Rental Income or Ideal Family Vacation PropertyFully 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.

Full Property Details for 280/290 3rd St

General

  • Price: $1,550,000
  • Taxes: $7,779 (2025)
  • Status: Active
  • Type: Duplex
  • Source: 927
  • MLS ID: 619093
  • Updated: 3/25/2026
  • Added to Site: 18 day(s) ago

Interior

  • Interior Features: Built-in Cabinets, Smoke Alarms
  • Appliances: Washer, Stainless Steel Appliance(s), Ice Machine, Freezer, Disposal, Water Softener, Microwave, Oven, Range, Refrigerator, Dishwasher, Dryer
  • Furnished: Yes
  • Furnishings: Furnished
  • Flooring: Laminate

Rooms

Bathrooms

  • Total Bathrooms: 4
  • Full Bathrooms: 4

Bedrooms

  • Total Bedrooms: 4

Additional Information

  • Shared Amenities: Community Pool, Spa, Beach, Tennis Courts, Community Boat Ramp
  • Spa: Yes

Exterior

  • Exterior Features: Rain Gutters, Storage, Lighting
  • Deck/Patio: Open Porch/Balcony, Patio

Parking

  • Attached garage: Yes
  • Carports: Yes
  • Parking: Carport, Trailer Storage, Covered Parking, Off Street Parking, Guest Parking, Attached

Location

  • Area: 17 - Vaca Cut - Both Sides Holiday Inn/Key Colony
  • County: Monroe
  • Subdivision: Key Colony Beach (53.5)
  • Driving 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.

Community

  • Assoc. Fees Include: None
  • Pets Allowed: Yes

Heating & Cooling

  • Cooling Type: Central Air, Ceiling Fans(s)
  • Heating Type: Central

Utilities

  • Water: No Waterview
  • Utility Description: FKAA, Cable Available, Municipal Sewer

Structural Information

  • Architectural Style: Duplex
  • Construction: Concrete, Stucco
  • Roof: Metal Roof
  • Windows/Doors: Other Windows/Doors, Impact Rstnce Window
  • Stories/Levels: 2 Stories
  • Square Feet: 1,536
  • Sq. Ft. Source: Property Data Card
  • Year Built: 1988

Lot Features

  • Lot Size (Sq. Ft.): 6,600
  • Lot Dimensions: .15 acers
  • Zoning: R-2B - Key Colony Two Family

Water Features

  • Water View: Yes
  • Water Front Type: None
  • Dock Description: None

Financial Considerations

  • Tax Amount: $7,779
  • Tax Year: 2025
  • Terms: Cash, VA, Conventional

Disclosures and Reports

  • Restrictions: Yes
  • Rentals Allowed: Yes
  • APN: 00072600-000000

Listed by Birch Haven Real Estate, Dalton Robinson (301) 751-7231

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Listing agent

— 280/290 3rd St —

  • Dalton Robinson

    Birch Haven Real Estate

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Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

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Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

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Price & Sales History for 280/290 3rd St Get Price Alerts and Save Property

Date
Details
Price
Change
Source
3/25/2026
Price Reduced
$1,550,000
-6.06%
MLS
3/16/2026
Listed
$1,650,000
177.78%
MLS
4/01/2021
Sold
$594,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 280/290 3rd St

Year
Property Taxes
Change
Tax Assessment
Change
2024
$7,892
—
$753,837
-4%
2024
$7,892
6%
$782,699
-2%
2023
$7,413
18%
$797,499
45%
2022
$6,257
8%
$548,617
14%
2021
$5,784
—
$483,152
30%
2021
$5,784
43%
$371,015
2%
2019
$4,038
5%
$362,674
21%
2018
$3,840
7%
$300,653
-10%
2017
$3,577
-1%
$332,787
-4%
2016
$3,596
8%
$347,295
54%
2015
$3,329
4%
$225,886
10%
2014
$3,207
6%
$205,351
10%
2013
$3,026
—
$186,683
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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NMLS#: 1598647

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Listed by Birch Haven Real Estate, Dalton Robinson (301) 751-7231

280/290 3rd Street, Key Colony, FL 33051 (MLS# 619093) is a Duplex property with 4 bedrooms and 4 full bathrooms. 280/290 3rd Street is currently listed for $1,550,000 and was received on March 16, 2026. Want to learn more about 280/290 3rd Street? Do you have questions about finding other Duplex real estate for sale in Key Colony? You can browse all Key Colony real estate or contact a Coldwell Banker agent to request more information.

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