Recently Viewed Properties
See This Home
Save This Listing
Close

View All Photos

$1,100,000

  • For Sale
  • Active
  • Single Family
  • 2 Beds
  • 2 Full Baths
  • 1,288 Sq. Ft.
  • Updated 3 days ago
See This Home
Save This Home
See This Home
Save This Home
Welcome to your own slice of paradise in the heart of Key Colony Beach! This well-maintained 2-bedroom, 2-bath half duplex offers the ideal blend of comfort, convenience, and the coveted Florida Keys boating lifestyle. The bright, open floor plan creates an inviting space for entertaining and everyday living, while the wraparound balcony provides the perfect place to enjoy the island breeze and relax outdoors. Boaters will appreciate 37.5 feet of dockage with quick access to both the Atlantic Ocean and the Gulf of America through nearby Vaca Cut, making it easy to enjoy world-class fishing, diving, and waterfront adventures. The attached garage provides ample space for parking, storage, and all of your fishing and boating gear. The backyard features desirable easterly exposure, allowing you to enjoy beautiful morning sun and cooler afternoons. Located in one of the Florida Keys' most sought-after waterfront communities, you'll be just moments from Key Colony Beach's exceptional amenities, including Sunset Park, the par-3 golf course, waterfront restaurants, scenic walking and biking paths, pickleball and tennis courts. Whether you're searching for a full-time residence, vacation retreat, or investment opportunity, this waterfront gem offers everything you need to experience the relaxed island lifestyle that makes Key Colony Beach so special.

Full Property Details for 350 11th St

General

  • Price: $1,100,000
  • Taxes: $6,407 (2025)
  • Status: Active
  • Type: Single Family
  • Source: Greater_Miami
  • MLS ID: A12057247
  • Updated: 8/18/2026
  • Added to Site: 36 day(s) ago

Interior

  • Interior Features: Walk-In Closet(s), Attic, Storage, Utility Room/Laundry
  • Appliances: Dishwasher, Dryer, Electric Range, Electric Water Heater, Microwave, Refrigerator, Washer
  • Furnishings: Partially, Furniture Negotiable
  • Flooring: Carpet, Tile

Rooms

Bathrooms

  • Total Bathrooms: 2
  • Full Bathrooms: 2

Bedrooms

  • Total Bedrooms: 2
  • Bedroom Features: Primary Bath Shower

Other Rooms

  • Living Room: Attic, Storage Room, Utilit Sq. Ft.
  • Laundry: Utility Room/Laundry

Additional Information

  • Security/Safety: Smoke Detector

Exterior

  • Exterior Features: Open Balcony
  • Deck/Patio: Open Balcony, Open Porch, Wrap Around

Parking

  • Garage: Yes
  • Garage Spaces: 1
  • Covered Spaces: 1
  • Parking Features: Covered

Location

  • Area: Key Colony Beach 1st Add
  • County: Monroe County
  • Subdivision: KEY COLONY BEACH 1ST ADD
  • Building Name: KEY COLONY BEACH 1ST ADD
  • Driving Directions: US-1 to Sadowski Cswy follow to turn right on W. Ocean Dr. go down to turn right on 11th Street follow down property on the right side. Sign in front
  • Direction Faces: West

Community

  • Community Name: Key Colony Beach 1st Add

Heating & Cooling

  • Air Conditioning: Yes
  • Cooling Type: Central Air
  • Heating Type: Central

Utilities

  • Sewer: Public Sewer
  • Water: Municipal Water

Structural Information

  • Architectural Style: Attached, One Story
  • Structure Type: House
  • Detached/Attached: Detached
  • Construction: CBS Construction
  • Roof: Curved/S-Tile Roof
  • Windows: Hurricane Shutters
  • Building Size: 3384
  • Square Feet: 1,288
  • Living Area: 1,288 Sq. Ft.
  • Year Built: 1980

Lot Features

  • Property View: Canal
  • Lot Size (Sq. Ft.): 4,125
  • Frontage Feet: 37
  • Lot Features: 1/4 To Less Than 1/2 Acre Lot
  • Zoning: R2

Water Features

  • Water Front: Yes
  • Water View: Yes
  • Water Front Desc.: WF/Ocean Access, Canal Front

Financial Considerations

  • Price Per Sq. Ft.: $854.04
  • Assoc Fee Freq.: Monthly
  • Tax Amount: $6,407
  • Tax Year: 2025
  • Terms: All Cash, Conventional, FHA

Disclosures and Reports

  • Legal Description: BK 11 N 1/2 LT 59 KEY COLONY BEACH 1ST ADDN PB4-11 SHELTER KEY OR1533-2284 OR1536-1797/98PWAG OR2849-1628/29 OR2849-1630/31
  • Restrictions: Other Restrictions
  • Inclusions: Private Dock
  • Property ID: 00076760-000100

Listed by Coldwell Banker Schmitt Real E

Quickly Find Out More

* Indicates a required field

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Send Message, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If an Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby’s International Realty®). I acknowledge that I have read and agree to the Terms of Use and Privacy Notice.

We Value Your Privacy

Listing agent

— 350 11th St —

  • Coldwell Banker Schmitt Real E

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 350 11th 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 ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 350 11th St Get Price Alerts and Save Property

Date
Details
Price
Change
Source
7/17/2026
Listed
$1,100,000
105.61%
MLS
4/11/2017
Sold
$535,000
—
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 350 11th St

Year
Property Taxes
Change
Tax Assessment
Change
2025
$8,339
3%
$961,847
-1%
2024
$8,083
9%
$975,208
8%
2023
$7,443
25%
$902,387
55%
2021
$5,938
-9%
$581,096
-20%
2022
$6,506
10%
$730,384
52%
2021
$5,938
23%
$481,175
6%
2019
$4,844
4%
$453,168
—
2018
$4,668
-5%
$453,488
-7%
2017
$4,890
-3%
$490,121
-1%
2016
$5,047
9%
$495,588
13%
2015
$4,611
1%
$436,740
4%
2014
$4,587
7%
$421,586
10%
2013
$4,297
—
$383,260
—
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.

Estimate the Cost for 350 11th St

$
Down Payment
%
$
%

$
$

*These costs are estimates, and the interest rates assume exceptional credit standing.

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Listed by Coldwell Banker Schmitt Real E

Similar Properties near 350 11th St

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

305 50th Street Oce, Marathon, FL 33050 - Photo 1
$1,059,000

305 50th Street Oce  Marathon, FL 33050

  • Single Family
  • Active
  • 2
    Beds
  • 2
    Total Baths
  • 936
    Sq. Ft.
Listed by Coldwell Banker Schmitt Real Estate Co., Samuel Davis Williams and Coldwell Banker Schmitt Islamorada, Anthony Pallaria
12400 Overseas Hwy, Marathon, FL 33050 - Photo 1
$1,175,000

12400 Overseas Hwy  Marathon, FL 33050

  • Single Family
  • Active
  • 3
    Beds
  • 3
    Total Baths
  • 1,493
    Sq. Ft.
11295 6th Avenue Gulf, Marathon, FL 33050 - Photo 1
$1,150,000

11295 6th Avenue Gulf  Marathon, FL 33050

  • Single Family
  • Active
  • 3
    Beds
  • 2
    Total Baths
  • 1,392
    Sq. Ft.
Listed by FlatFee.com, Cliff Glansen
2411 Grouper Dr, Marathon, FL 33050 - Photo 1
$1,199,000

2411 Grouper Dr  Marathon, FL 33050

  • Single Family
  • Active
  • 3
    Beds
  • 2
    Total Baths
  • 1,554
    Sq. Ft.
Listed by Coldwell Banker Schmitt Real Estate Co., Michelle VanHoose

Just Listed near 350 11th St

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

59743 Paradise Pl, Marathon, FL 33050 - Photo 1 Just Listed
$739,000

59743 Paradise Pl  Marathon, FL 33050

  • Mobile Home
  • Active
  • Updated 21 hours ago
  • 2
    Beds
  • 2
    Total Baths
  • 1,248
    Sq. Ft.
Listed by Coldwell Banker Schmitt Real Estate Co., Samuel Davis Williams
1590 Pelican, Marathon, FL 33050 - Photo 1 Just Listed
$4,999,999

1590 Pelican  Marathon, FL 33050

  • Single Family
  • Active
  • Updated 3 days ago
  • 5
    Beds
  • 5
    Total Baths
  • 3,346
    Sq. Ft.
Listed by Cypress Realty, Inc., Shane Murray Wilson
10877 Overseas Hwy, Marathon, FL 33050 - Photo 1 Just Listed
$550,000

10877 Overseas Hwy  #APT 97  Marathon, FL 33050

  • Condo
  • Active
  • Updated 4 days ago
  • 1
    Bed
  • 2
    Total Baths
  • 850
    Sq. Ft.
Listed by Lokation Real Estate, Frank Griffiths
211 S Anglers Dr, Marathon, FL 33050 - Photo 1 Just Listed
$2,395,000

211 S Anglers Dr  Marathon, FL 33050

  • Single Family
  • Active
  • Updated 4 days ago
  • 4
    Beds
  • 3
    Total Baths
  • 2,464
    Sq. Ft.
Listed by American Caribbean Real Estate, Christie's International Real Estate, Tisa Del Valle and American Caribbean Real Estate, Christie's International Real Estate, Lorie Rhyne Leal

Price Reduced near 350 11th St

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

8401 Gulf of Mexico Blvd, Marathon, FL 33050 - Photo 1 Price Reduced
-$75,000 (-4.92%)
$1,450,000

8401 Gulf of Mexico Blvd  ##401  Marathon, FL 33050

  • Condo
  • Active
  • Updated 13 hours ago
  • 2
    Beds
  • 3
    Total Baths
  • 2,004
    Sq. Ft.
Listed by Coldwell Banker Schmitt Real Estate Co., Jesus Parra
11260 6th Avenue Gulf, Marathon, FL 33050 - Photo 1 Price Reduced
-$50,000 (-2.94%)
$1,649,000

11260 6th Avenue Gulf  Marathon, FL 33050

  • Single Family
  • Active
  • Updated 4 days ago
  • 3
    Beds
  • 3
    Total Baths
  • 2,312
    Sq. Ft.
Listed by Horizon Homes Realty, Wendy Raquel Diaz
39th Tbr Only St, Marathon, FL - Photo 1 Price Reduced
-$35,000 (-18.92%)
$150,000

39th Tbr Only St  Marathon, FL

  • Single Family
  • Active
  • Updated 1 day ago
Listed by RE/MAX Realty Group, Gidget Jackson
329 25th Street Oce, Marathon, FL 33050 - Photo 1 Price Reduced
-$30,900 (-5.83%)
$499,000

329 25th Street Oce  Marathon, FL 33050

  • Townhouse
  • Active
  • Updated 5 days ago
  • 3
    Beds
  • 3
    Total Baths
  • 1,488
    Sq. Ft.
Listed by Coldwell Banker Schmitt Key Largo, SALLY STRIBLING, P.A.

Recent Sales near 350 11th St

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

650 11th St, Key Colony, FL 33051 - Photo 1 Sold
$1,075,000

650 11th St  Key Colony, FL 33051

  • Duplex
  • Closed
  • Updated 5 days ago
  • 3
    Beds
  • 3
    Total Baths
  • 1,770
    Sq. Ft.
Listed by Coldwell Banker Schmitt Real Estate Co., Kim Rabito Show
Sold by Florida Keys Real Estate Group, Thomas Carden
351 8th St, Key Colony, FL 33051 - Photo 1 Sold
$1,100,000

351 8th St  Key Colony, FL 33051

  • Duplex
  • Closed
  • 3
    Beds
  • 3
    Total Baths
  • 1,511
    Sq. Ft.
Listed by Keller Williams Key West Compass Realty, The Watkins Group
Sold by Engel & Völkers Marathon, Mark Gable
1133 W Ocean Dr, Key Colony, FL 33051 - Photo 1 Sold
$1,050,000

1133 W Ocean Dr  #16  Key Colony, FL 33051

  • Condo
  • Closed
  • 3
    Beds
  • 3
    Total Baths
  • 1,804
    Sq. Ft.
Listed by Key Colony Beach Realty, Lynny Delgaizo Thompson
Sold by Ocean Sotheby's International, Karen D Raspe
580 9th St, Key Colony, FL 33051 - Photo 1 Sold
$1,000,000

580 9th St  Key Colony, FL 33051

  • Duplex
  • Closed
  • 2
    Beds
  • 2
    Total Baths
  • 1,269
    Sq. Ft.
Listed and Sold by Key Colony Beach Realty, Steve M Smith, P.A.

350 11th St, Key Colony, FL 33051 (MLS# A12057247) is a Single Family property with 2 bedrooms and 2 full bathrooms. 350 11th St is currently listed for $1,100,000 and was received on July 17, 2026. Want to learn more about 350 11th St? Do you have questions about finding other Single Family 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.

Tour this property