341 3rd St

Key Colony Beach, FL 33051

$849,000
Price
2
Beds
900 Sq. Ft.
$943 / Sq. Ft.
900
Sq. Ft.
$943
per Sq. Ft.
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an aerial view of a city with lots of residential buildings and ocean view in back
a view of a house with backyard porch and sitting area
a view of an house with outdoor space
a view of a city
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view of outdoor space with seating area
an aerial view of a city
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a view of a lake with a table and chairs
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an aerial view of a city with lots of residential buildings and ocean view in back
an aerial view of a city
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a view of yard with swimming pool
an aerial view of a city with ocean view in back
a view of a patio with lawn chairs and plants
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a bedroom with two beds and a chandelier
a living room with furniture and a flat screen tv
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a living room with furniture a flat screen tv and a large window
a living room with furniture a large window and a clock
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a kitchen with stainless steel appliances granite countertop a sink a stove and cabinets
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a kitchen with stainless steel appliances granite countertop a sink and a refrigerator
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a bathroom with a granite countertop sink and a mirror
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a bedroom with a large bed and a chandelier
a bedroom with two large bed and a chandelier
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Description

Half Duplex in the beautiful community of Key Colony Beach. Remodeled with top quality finishes. Entry doors are Anderson impact, windows are Dbl. Pane PGT, sliding glass doors are Low-E Anderson. All stainless appliances, granite counters, 7'' insulation in ceiling throughout, tile flooring, Key Colony Beach offers convenience to its own post office, restaurants, marina, shopping, par 3 golf course, pickleball and tennis courts, basketball, bocce ball, horseshoes. Marathon Airport is only 10 minutes...Half Duplex in the beautiful community of Key Colony Beach. Remodeled with top quality finishes. Entry doors are Anderson impact, windows are Dbl. Pane PGT, sliding glass doors are Low-E Anderson. All stainless appliances, granite counters, 7'' insulation in ceiling throughout, tile flooring, Key Colony Beach offers convenience to its own post office, restaurants, marina, shopping, par 3 golf course, pickleball and tennis courts, basketball, bocce ball, horseshoes. Marathon Airport is only 10 minutes away, Key West International Airport is a 1-hour drive.
  1. Listed by Bonnie Sanderson • Florida Keys Real Estate Group
  2. Listed by Rachel Lynne Keller • Florida Keys Real Estate Group

Property Details for 341 3rd Street

Waterfront
Canal Front
Waterfront
Yes
Zoning
R-1B - Key Colony Single Family
Subdivision
Key Colony Beach (53.5)
Directions
Turn off US #1 (Overseas Highway) onto Key Colony Causeway. Bear left on E. Ocean Drive. Turn left onto 3rd St. Duplex is on the left about 2/3 the way down.
Building Style
Ground Level
Vehicle Storage
Guest Parking, Off Street Parking
Pets
Pets Allowed
LISTING UPDATED: 03/17/2026 11:03 PM

Property Details for 341 3rd Street

StatusActive
MLS #618795
Days on Market34
Taxes$6,496 / year
HOA Fees-
Condo/Co-op Fees-
Compass TypeUnit Duplex
MLS TypeResidential / Half Duplex
Year Built1971
Lot Size0.08 AC / 3,388 SF
CountyMonroe County
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Location

Listing Courtesy of Florida Keys Real Estate Group
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Building Information for 341 3rd Street

Stories-Residences-Year Built1971Lot Size0.08 AC / 3,388 SF

Payment Calculator

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$4,662 per month

30 year fixed, 6.11% Interest

Principal and Interest

$4,120

Property Taxes

$541

HOA Dues

$0

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Property Information for 341 3rd Street

Summary
Location and General Information
  • Waterview: Canal View
  • Area: 17 - Vaca Cut - Both Sides Holiday Inn/Key Colony
  • Absolute Longitude: 81.015184
  • Control Depth: 6
  • Off Shore Island: No
  • Listing Board: Marathon/Lower Keys
  • Side: Ocean
  • Mile Marker: 53.5
  • Marathon Neighborhood: Marathon East - Gulf (Airport to Vaca)
  • Neighborhood Feature: Tennis Courts, Bike Paths, Other Area Features, Beach, Fire Hydrant
  • Key/Island: Key Colony
Taxes and HOA Information
  • Association Info: Mandatory Home Owners Asc: No
  • Association Info: 1st Right of Refusal: No
  • Fee Includes: None
  • Furnished: Negotiable
  • Tax Year: 2025
  • Tax Exemptions: None
Property
Lot Information
  • Lot Size: X
  • Acres: 0.08
  • Parcel #: 00072790-000000
  • Land Size: Less Than 1/4 Acre
Property and Assessments
  • Legal: BK 3 S 1/2 LT 13 KEY COLONY BEACH PB3-120 SHELTER KEY OR380-643 OR463-874 OR802-1762 OR937-324 OR1585-2444/51 OR1587-160
  • MLS Approved: Y
  • Bank Owned: No
  • SqFt Source: Property Data Card
  • Flood Zone: AE,AE
  • Rentals Allowed: Yes
  • Deed Restrictions: Unknown
  • Picture Count: 42
  • Document Count: 0
  • Building Style: Above Flood: No
  • Property Condition: Updated/Remodeled
  • Security: Patrolled Area
  • Title: Negotiable
Utilities
  • Utilities: FKAA, Water Separate Meter, Cable Available, Elect Separate Meter, Municipal Sewer
  • Pub Sewer HkUp: Yes
  • Species List: No
  • Pool: No
Interior and Exterior Features
Interior Features
  • Floor: Tile
  • Interior Features: Drapes/Blinds Incl, Built-in Cabinets, Storage, Smoke Alarms, Granite Counter Top
  • Pre-Wired: Cable
  • Appliances: Washer, Microwave, Oven, Range, Refrigerator, Dishwasher, Dryer
Exterior Features
  • Roof: Metal Roof
  • Shutters: Other
  • Dockage: Dock Length: 30
  • Dockage: Dock: Concrete
  • Dockage: Seawall: Concrete
  • Construction: CBS
  • Exterior Features: Storage
  • Windows/Doors: Other Windows/Doors, Impact Rstnce Window, Impact Rstnce Doors
Room Information
  • Specialty Rooms: Laundry Room

Property History for 341 3rd Street

DateEvent & SourcePriceAppreciation
Feb 22, 2026

Listed (Active)

FKMLS #618795

$849,000—
Sep 22, 2025

Temp Off Market

FKMLS #612415

—
Nov 27, 2024

Price Change

FKMLS #612415

$859,000—
Nov 27, 2024

Price Change

FKMLS #612415

$829,000—
Nov 27, 2024

Listed (Active)

FKMLS #612415

$799,000—
Aug 1, 2022

Sold (Public Record)

Public Record #1496235707

$790,000

+8.1% / yr

Nov 20, 2015

Sold (Public Record)

Public Record #562223653

$468,752—
Nov 20, 2015

Sold

FKMLS #568136

$468,750—
Nov 13, 2015

Pending

FKMLS #568136

—
Aug 3, 2015

Listed (Active)

FKMLS #568136

$499,000—
DateEvent & SourcePrice
02/22/2026

Listed (Active)

FKMLS #618795

$849,000
09/22/2025

Temp Off Market

FKMLS #612415

—
11/27/2024

Price Change

FKMLS #612415

$859,000
11/27/2024

Price Change

FKMLS #612415

$829,000
11/27/2024

Listed (Active)

FKMLS #612415

$799,000
08/01/2022

Sold (Public Record)

Public Record #1496235707

$790,000

+8.1% / yr

11/20/2015

Sold (Public Record)

Public Record #562223653

$468,752
11/20/2015

Sold

FKMLS #568136

$468,750
11/13/2015

Pending

FKMLS #568136

—
08/03/2015

Listed (Active)

FKMLS #568136

$499,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Public Records for 341 3rd Street

Taxable ValueLand$453,653Additions$180,841Total$634,494
Tax Record2024$7,688 ($641 / month)
Home Facts
Beds2Baths2Total Finished SqFt900 SqFtAbove Grade Finished SqFt900 SqFtStories1Lot Size3,388 SqFtStyleSingle Family ResidenceYear Built1971Year Renovated2006CountyMONROEAPN00072790-000000

Schools near 341 3rd Street

This home is within Monroe.
Rating
School
Type
Grades
Distance
Stanley Switlik Elementary School
Public - PK to 5
Marathon School
Public - 6 to 12
Coral Shores High School
Public - 9 to 12
Big Pine Academy
Charter - PK to 5
Rating
School
Distance
Stanley Switlik Elementary School
PublicPK to 5

Marathon School
Public6 to 12

Coral Shores High School
Public9 to 12

Big Pine Academy
CharterPK to 5

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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More information about 341 3rd Street, Key Colony Beach, FL 33051

341 3rd Street is for sale in Key Colony Beach, FL 33051. This property was listed for sale on February 22, 2026 by Florida Keys Real Estate Group, it's currently listed at $849,000. It has been on the market for a total of 34 days and was last sold on August 1, 2022. This listing's school district is Monroe. Nearby schools include Stanley Switlik Elementary School, Marathon School and Coral Shores High School. 341 3rd Street is a 2-bed, 2-bath, 900 sqft built in 1971.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity. Subject to change at any time. Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties make no guarantee, warranty or representation regarding the accuracy of any waterfront feature, water view or waterfront view.

Listing Courtesy of Florida Keys Real Estate Group

Based on information from one of the following Multiple Listing Services: Beaches Multiple Listing Service, Inc., Martin County REALTORS® of the Treasure Coast, Inc., Miami Association of REALTORS®. Information being provided is for the visitor’s personal, noncommercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. The data contained herein is copyrighted by Beaches Multiple Listing Service, Inc., Martin County REALTORS® of the Treasure Coast, Inc., Miami Association of REALTORS® is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited. Property information referenced on this web site comes from the Internet Data Exchange (IDX) program of the MLS. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. For the avoidance of doubt, the accuracy of all information, regardless of source, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals.