This home's estimate is 10% higher than the average sale price ($1.03M) of 6 comparable homes.
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340 11Th St, Key Colony, FL 33051
About this home
Well maintained east facing 1/2 duplex located in desirable Key Colony Beach. Kitchen offers stainless steel appliances and solid wood cabinets. Large dining area. Extra large master bedroom. Walk around balcony with additional deck overlooking the deep water canal. Easy access to the Ocean and Vaca Cut to the Florida Bay. This is a must see!

Redfin Estimate
Market trends in Key Colony Beach, FL
Last updated October 2026
Buyer's Market
Seller's Market
Buyer's market
Provided by Redfin
Sale history for 340 11Th St
$535/sq ft
$543/sq ft
$536/sq ft
$543/sq ft

SOUTHSIDE EAST FACING HALF DUPLEX WITH CONCRETE SEAWALL AND DAVITS----GARAGE AND LARGE CARPORT
As the MLS and public records start to fill up, we'll list the details here.
Public record
Property details
Parking
- Parking / Garage Information
- Vehicle Storage: Carport, Off Street Parking, Garage
Interior
- Interior Features
- Interior Features: Drapes/Blinds Incl
- Flooring: Carpet, Other Floors
- Cooling/Heating: Ceiling Fans, Central A/C
- Appliances: Dishwasher, Washer, Stainless Steel Appl, Refrigerator, Range, Oven, Microwave, Freezer, Dryer, Disposal
- Furnished: Furniture Negotiable
- Bathroom Information
- # of Full Baths: 3
Exterior
- Boat Slip/Dock Information
- Dockage: Dock: Wood
- Exterior Features
- Porch/Balcony: Deck, Open Porch/Balcony
- Shutters: Panel
- Security
- Patrolled Area
- Property Features
- On Waterfront
- Waterfront Type: Canal Front
- Waterview: Canal View
- Property Information
- Deed Restrictions: No
- Pets: Pets Allowed
- Rentals Allowed: With Restrictions
- Lot Information
- Acres: 0.09
- Zoning: R-2A - Key Colony Two Family
- Land Size: Less Than 1/4 Acre
- Control Depth: 5
- Flood Zone: AE
- Building Information
- Year Built: 1,980
- Sq. Ft. Source: Property Data Card
- Building Style: Above Flood: Yes
- Construction: CBS
- Roof: Tile Roof
- Subdivision/Neighborhood
- Subdivision: Key Colony Bch 1st Addn Amd Plat (53.5)
- Key West Neighborhood: Outside of Key West
- Marathon Neighborhood: Marathon East - Gulf (Airport to Vaca)
Financial
- Tax Information
- Taxes: $5,297.45
- Tax Year: 2,019
- Tax Exemptions: None
- Financial Information
- Terms: Cash
Utilities
- Utility Information
- Utilities: Community Sewer Plant, Elect Separate Meter, Water Separate Meter, FKAA
- Has Public Sewer Hook-up
Location
- Homeowners Association Information
- Association Info: 1st Right of Refusal: No
- Association Info: Association Fee $: 0.00
- Fee Includes: None
- Location Information
- Side: Ocean
- Mile Marker: 53.50
- Directions: 11th. St. KCB half way down on the right.
- Neighborhood Features
- Beach, Bike Paths
Public facts
- Beds: —
- Baths: —
- Sq. Ft.: —
- Stories: —
- Lot Size: —
- Style: Single Family Residential
- Year Built: —
- Year Renovated: —
- County: Monroe County
- APN: 00076760-000000
Around this home
Schools
- K - 12
- Preschool & daycare
Public PreK-5 • Assigned • 4.5mi
Public 6-12 • Assigned • 3.6mi
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
Minimal risk of a flood reaching the building in the next 30 years
Unlikely to be in a wildfire in next 30 years
We're working on getting current and accurate heat risk information for this home.
99% chance of strong winds in next 30 years
0 unhealthy days expected this year, 0 days in 30 years
Sun exposure
In this area, properties receive around 10 hours in June and 7.3 hours in December, placing it above the U.S. average for solar exposure.
Sell confidently with a local market expert in Key Colony. 3 minutes to get started.
Nearby similar homes



Home values near 340 11Th St
| Address | Redfin Estimate |
|---|---|
3 Beds | 2.5 Baths | 2000 Sq. Ft. | $1,805,296 |
2 Beds | 2 Baths | 1425 Sq. Ft. | $1,274,027 |
4 Beds | 3 Baths | 1548 Sq. Ft. | $1,152,240 |
3 Beds | 2 Baths | 1054 Sq. Ft. | $879,853 |
3 Beds | 2 Baths | 1280 Sq. Ft. | $954,518 |
2 Beds | 2 Baths | 1425 Sq. Ft. | $1,352,179 |
3 Beds | 3.5 Baths | 1617 Sq. Ft. | $1,164,054 |
| Address | Redfin Estimate |
|---|---|
3 Beds | 2 Baths | 1472 Sq. Ft. | $1,540,316 |
2 Beds | 2 Baths | 1288 Sq. Ft. | $974,939 |
3 Beds | 3 Baths | 1789 Sq. Ft. | $1,700,329 |
2 Beds | 2 Baths | 1130 Sq. Ft. | $902,678 |
2 Beds | 2 Baths | 1054 Sq. Ft. | $653,545 |
4 Beds | 3 Baths | 1548 Sq. Ft. | $1,211,740 |
2 Beds | 2 Baths | 1694 Sq. Ft. | $980,060 |
| Address | Redfin Estimate |
|---|---|
2 Beds | 2 Baths | 1633 Sq. Ft. | $1,669,437 |
3 Beds | 2 Baths | 1548 Sq. Ft. | $986,463 |
6 Beds | 1 Baths | 3507 Sq. Ft. | — |
3 Beds | 3.5 Baths | 1617 Sq. Ft. | $1,197,466 |
6 Beds | 4 Baths | 3551 Sq. Ft. | — |
3 Beds | 2 Baths | 1280 Sq. Ft. | $1,020,861 |
3 Beds | 3 Baths | 1367 Sq. Ft. | $1,221,007 |
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