This waterfront half duplex is now available to purchase, or also available to own the full duplex (MLS 617382 for $1,700,000). A rare opportunity to enjoy a beautifully maintained piece of paradise in highly desirable Key Colony Beach, owned by the same family for more than 40 years. This property delivers exceptional dockage, timeless updates, and the certainty of a well cared for home. Located on a picturesque 100 foot wide canal, this location provides the best of Keys boating. Gain incredibly quick access to both the open Ocean and the open Gulf with a short 5 minute boat ride, or a peaceful 10 minute paddle. This half duplex offers 33 feet of concrete seawall with wood dock and fish cleaning station. Enjoy 2 bedrooms, 2 bathrooms and over 1,000 square feet of inviting living space, perfect for gathering, relaxing, and creating lasting memories. Featuring impact windows and doors plus a metal roof and concrete construction. There is ample parking for cars, trailers, and all your island toys. Here, island living is effortless. Stroll or bike the friendly streets throughout the City of Key Colony Beach and enjoy easy access to the marina, golf course, pickleball and tennis courts, bocce ball, playgrounds, horseshoes, the Post Office, City Hall, Police Department, and the beloved Sunset Park. Your dream of a true Keys lifestyle awaits you on 9th Street. Welcome home to paradise!
For sale
$838,000
271 9th St, Key Colony Beach, FL 33051
2beds
1,020sqft
Est.:
Half Duplex, Single Family Residence
Built in 1972
8,276.4 Square Feet Lot
$812,400 Zestimate®
$822/sqft
$-- HOA
What's special
Metal roofWaterfront half duplexImpact windows and doorsExceptional dockage
- 77 days |
- 918 |
- 27 |
Zillow last checked: 8 hours ago
Listing updated: December 09, 2025 at 11:40pm
Listed by:
Karen D Raspe 305-393-9010,
Ocean Sotheby's International,
Ally Kelley 727-459-0493,
Ocean Sotheby's International
Source: FLKMLS,MLS#: 617425
Originating MLS: Marathon/Lower Keys
Tour with a local agent
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 2
- Bathrooms: 2
- Full bathrooms: 2
Cooling
- Central Air, Ceiling Fans(s)
Appliances
- Included: Dryer, Microwave, Range, Refrigerator, Dishwasher
Features
- Utility Room
- Flooring: Tile
- Doors: Sliding Glass Doors, Impact Rstnce Doors
- Windows: Drapes/Blinds Incl, Impact Rstnce Window
- Furnished: Yes
Interior area
- Total interior livable area: 1,020 sqft
Property
Parking
- Parking features: Open, RV Parking Open, Guest
- Has uncovered spaces: Yes
Features
- Levels: Ground Level
- Patio & porch: Patio
- Has view: Yes
- View description: Canal
- Has water view: Yes
- Water view: Canal
- Waterfront features: Canal Front, Waterfront, Seawall: Concrete, Dock: Wood, Dock Length: 37
Lot
- Size: 8,276.4 Square Feet
- Dimensions: 33 x 110
- Features: Less Than 1/4 Acre
Details
- Parcel number: 00075530000000
- Zoning: R-2A
- Zoning description: Key Colony Two Family
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Half Duplex, Single Family Residence
- Attached to another structure: Yes
Materials
- CBS
- Roof: Metal
Condition
- Updated/Remodeled
- New construction: No
- Year built: 1972
Utilities & green energy
- Sewer: Community Swr Plant, Public Sewer
- Utilities for property: FKAA, Buyer to Verify, Cable Connected
Community & HOA
Community
- Features: Community Boat Ramp, Bike Paths, Airport/Runway, Beach, Fire Hydrant
- Security: Patrolled Area
- Subdivision: Key Colony Bch 1st Addn Amd Plat (53.5)
HOA
- Has HOA: No
- Services included: None
Location
- Region: Key Colony Beach
Financial & listing details
- Price per square foot: $822/sqft
- Tax assessed value: $1,259,479
- Annual tax amount: $9,748
- Date on market: 11/22/2025
Estimated market value
$812,400
$772,000 - $853,000
$3,610/mo
Price history
Price history
| Date | Event | Price |
|---|---|---|
| 11/22/2025 | Listed for sale | $838,000-0.6%$822/sqft |
Source: | ||
| 10/30/2025 | Listing removed | $843,000$826/sqft |
Source: | ||
| 6/25/2025 | Price change | $843,000-1.2%$826/sqft |
Source: | ||
| 3/20/2025 | Listed for sale | $853,000$836/sqft |
Source: | ||
Public tax history
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $12,496 +14.9% | $1,194,250 +21% |
| 2023 | $10,873 | $986,984 |
Find assessor info on the county website
BuyAbility℠ payment
Est. payment
$4,853/mo
Principal & interest
$3987
Property taxes
$573
Home insurance
$293
Climate risks
Neighborhood: 33051
Nearby schools
GreatSchools rating
- 4/10Stanley Switlik Elementary SchoolGrades: PK-5Distance: 4.6 mi
- 5/10Marathon SchoolGrades: 6-12Distance: 3.7 mi
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