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$855,000

  • Sold
  • Closed
  • Duplex
  • 2 Beds
  • 2 Full Baths
  • 900 Sq. Ft.
See This Home
Save This Home
See This Home
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Welcome to 340 10th St -- a beautifully updated canal-front half-duplex in Key Colony Beach. This 2-bed, 2-bath home is fully furnished and move-in ready, with a sleek open-concept layout across 900 sq ft.Recent upgrades include impact windows and doors, a new roof (2024), updated dock with spalling repairs (2024), new plumbing (2018), new AC systems (2021), and updated electrical (2018).This turnkey property also operates as a successful rental unit. An optional membership with access to a private swim and beach-club. This property also sits uniquely on a canal-front offering quick access to both ocean-side and the Gulf.A rare opportunity to own a secure, modern slice of paradise in the Florida Keys.

Full Property Details for 340 10th St

General

  • Sold For: $855,000
  • Taxes: $6,027 (2024)
  • Status: Closed
  • Type: Duplex
  • Source: 927
  • MLS ID: 615803
  • Added to Site: 226 day(s) ago

Interior

  • Appliances: Washer, Microwave, Oven, Range, Refrigerator, Dishwasher, Dryer
  • Furnished: Yes
  • Furnishings: Furnished

Rooms

Bathrooms

  • Total Bathrooms: 2
  • Full Bathrooms: 2

Bedrooms

  • Total Bedrooms: 2

Exterior

  • Deck/Patio: Deck, Patio

Parking

  • Carports: Yes
  • Parking: Carport

Location

  • Area: 17 - Vaca Cut - Both Sides Holiday Inn/Key Colony
  • County: Monroe
  • Subdivision: Key Colony Bch 1st Addn Amd Plat (53.5)

Community

  • Assoc. Fees Include: Common Area Mnt
  • Pets Allowed: Yes

Utilities

  • Water: Canal View
  • Utility Description: Buyer to Verify

Structural Information

  • Architectural Style: Half Duplex
  • Construction Status: Updated/Remodeled
  • Construction: CBS
  • Windows/Doors: Impact Rstnce Window, Impact Rstnce Doors
  • Dock Size: 37
  • Square Feet: 900
  • Sq. Ft. Source: Tax Records
  • Year Built: 1970
  • Property Condition: Updated/Remodeled

Lot Features

  • Lot Size (Sq. Ft.): 4,138
  • Zoning: R-2A - Key Colony Two Family

Water Features

  • Water Front: Yes
  • Water View: Yes
  • Water Front Type: Bay Front, Canal Front, Gulf Front

Financial Considerations

  • Tax Amount: $6,027
  • Tax Year: 2024
  • Terms: Cash, FHA, VA, Conventional

Disclosures and Reports

  • Legal Description: BK 10 SLY PT LT 60 KEY COLONY BEACH FIRST ADDN AMENDED PLAT PB4-11 SHELTER KEY OR1041-363/364 OR2808-2153/55 OR2867-73/7
  • Flood Zone: AE
  • APN: 00076050-000100

Listed by Compass Florida, LLC - Miami Beach, John Christian Maderal (305) 632-9273
Sold by Lokation Real Estate, Frank Griffiths

Listing agent

— 340 10th St —

  • John Christian Maderal

    Compass Florida, LLC - Miami Beach

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 340 10th St

School District:Monroe County School District, Middle Torch Key, FL
NameGradesDistance
Stanley Switlik Elementary School
3400 Overseas Highway, Marathon, FL 33050
PK-54.5 mi
Marathon School
350 Sombrero Beach Road, Marathon, FL 33050
6-123.6 mi
Disclaimer: School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 340 10th St

Date
Details
Price
Change
Source
1/23/2026
Sold
$855,000
-2.62%
MLS
11/15/2025
Price Reduced
$878,000
-1.13%
MLS
10/10/2025
Price Reduced
$888,000
-1.33%
MLS
7/16/2025
Listed
$899,999
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Listed by Compass Florida, LLC - Miami Beach, John Christian Maderal (305) 632-9273
Sold by Lokation Real Estate, Frank Griffiths

Recent Sales near 340 10th St

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11280 1st Ave, Marathon, FL 33050 - Photo 1 Sold
$982,000

11280 1st Ave  Marathon, FL 33050

  • Single Family
  • Closed
  • 3
    Beds
  • 3
    Total Baths
  • 1,842
    Sq. Ft.
5206 Dogwood Dell St, Marathon, FL 33050 - Photo 1 Sold
$799,000

5206 Dogwood Dell St  Marathon, FL 33050

  • Single Family
  • Closed
  • 3
    Beds
  • 2
    Total Baths
  • 1,710
    Sq. Ft.
Listed by RE/MAX All Keys Real Estate, Kelly Randin
Sold by Ocean Sotheby's International, Paulette Thompson PA and Ocean Sotheby's International, Jass Tremblay
29153 Cedar Dr, Big Pine Key, FL 33043 - Photo 1 Sold
$880,000

29153 Cedar Dr  Big Pine Key, FL 33043

  • Single Family
  • Closed
  • Updated 13 days ago
  • 2
    Beds
  • 2
    Total Baths
  • 1,056
    Sq. Ft.

340 10th Street, Key Colony, FL 33051 (MLS# 615803) is a Duplex property that was sold at $855,000 on January 23, 2026. Want to learn more about 340 10th 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.