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.
For sale
$849,000
341 3rd St, Key Colony Beach, FL 33051
2beds
900sqft
Est.:
Half Duplex, Multi Family
Built in 1971
3,484.8 Square Feet Lot
$815,000 Zestimate®
$943/sqft
$-- HOA
What's special
- 14 days |
- 1,040 |
- 4 |
Zillow last checked: 7 hours ago
Listing updated: February 23, 2026 at 02:35pm
Listed by:
Bonnie Sanderson 305-393-2691,
Florida Keys Real Estate Group,
Rachel Lynne Keller 305-393-3076,
Florida Keys Real Estate Group
Source: FLKMLS,MLS#: 618795
Originating MLS: Marathon/Lower Keys
Originating MLS: Marathon/Lower KeysTour with a local agent
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 2
- Bathrooms: 2
- Full bathrooms: 2
Heating
- Ductless
Cooling
- Ceiling Fans(s), Ductless
Appliances
- Included: Washer, Microwave, Oven, Range, Refrigerator, Dishwasher, Dryer
- Laundry: Laundry Room
Features
- Built-in Cabinets, Storage, Granite Counters
- Flooring: Tile
- Doors: Impact Rstnce Doors
- Windows: Drapes/Blinds Incl, Other Windows/Doors, Impact Rstnce Window, Other
Interior area
- Total interior livable area: 900 sqft
Property
Parking
- Parking features: Guest, Off Street
Features
- Levels: Ground Level
- Exterior features: Storage
- Has view: Yes
- View description: Canal
- Has water view: Yes
- Water view: Canal
- Waterfront features: Canal Front, Waterfront, Seawall: Concrete, Dock: Concrete, Dock Length: 30
Lot
- Size: 3,484.8 Square Feet
- Features: Less Than 1/4 Acre
Details
- Parcel number: 00072790000000
- Zoning: R-1B
- Zoning description: Key Colony Single Family
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Half Duplex, Multi Family
- Attached to another structure: Yes
Materials
- CBS
- Roof: Metal
Condition
- Updated/Remodeled
- New construction: No
- Year built: 1971
Utilities & green energy
- Electric: Elect Separate Meter
- Sewer: Municipal Sewer, Public Sewer
- Water: Water Separate Meter
- Utilities for property: FKAA, Cable Available, Cable Connected
Community & HOA
Community
- Features: Tennis Court(s), Bike Paths, Other, Beach, Fire Hydrant
- Security: Smoke Detector(s), Patrolled Area
- Subdivision: Key Colony Beach (53.5)
HOA
- Has HOA: No
- Services included: None
Location
- Region: Key Colony Beach
Financial & listing details
- Price per square foot: $943/sqft
- Tax assessed value: $634,494
- Annual tax amount: $6,495
- Date on market: 2/24/2026
- Listing terms: Cash,Conventional
Estimated market value
$815,000
$774,000 - $856,000
$3,352/mo
Price history
Price history
| Date | Event | Price |
|---|---|---|
| 2/24/2026 | Listed for sale | $849,000+6.3%$943/sqft |
Source:  Key West AOR #618795 Report a problem | ||
| 9/22/2025 | Listing removed | $799,000$888/sqft |
Source: Key West AOR #612415 Report a problem | ||
| 5/6/2025 | Price change | $799,000-3.6%$888/sqft |
Source:  FLKMLS #612415 Report a problem | ||
| 4/11/2025 | Price change | $829,000-3.5%$921/sqft |
Source: FLKMLS #612415 Report a problem | ||
| 11/26/2024 | Listed for sale | $859,000+8.7%$954/sqft |
Source: FLKMLS #612415 Report a problem | ||
| 8/8/2022 | Sold | $790,000+68.5%$878/sqft |
Source: Public Record Report a problem | ||
| 11/20/2015 | Sold | $468,750-6.1%$521/sqft |
Source: FLKMLS #568136 Report a problem | ||
| 8/21/2015 | Listed for sale | $499,000$554/sqft |
Source: The Real Estate Book #568136 Report a problem | ||
Public tax history
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $6,496 -15.5% | $634,494 -14.8% |
| 2024 | $7,688 +7.3% | $744,529 +7.8% |
| 2023 | $7,165 +45.3% | $690,433 +57.3% |
| 2022 | $4,933 +10.5% | $438,939 +10% |
| 2021 | $4,466 +7.8% | $399,035 +4.8% |
| 2020 | $4,144 | $380,669 -4.6% |
| 2019 | $4,144 -4.1% | $399,067 +1.4% |
| 2018 | $4,322 +5.1% | $393,715 -2.8% |
| 2017 | $4,113 -0.1% | $404,915 +5% |
| 2016 | $4,118 +0.5% | $385,608 +218.4% |
| 2015 | $4,098 | $121,091 |
Find assessor info on the county website
BuyAbility℠ payment
Est. payment
$4,625/mo
Principal & interest
$4045
Property taxes
$580
Climate risks
Neighborhood: 33051
Nearby schools
GreatSchools rating
- 4/10Stanley Switlik Elementary SchoolGrades: PK-5Distance: 5 mi
- 5/10Marathon SchoolGrades: 6-12Distance: 4.1 mi
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