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$895,000 Just Listed
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Property Description
2BD/2BA waterfront half-duplex in Key Colony Beach, offering impressive water views from both the front and back of the home. Stilted concrete construction, metal roof and impact windows make the insurances extremely affordable. Wake up to glowing sunrises over the water and wind down with color-soaked Keys sunsets from your private balconies perfect for morning coffee, sunset cocktails, and effortless indoor-outdoor living. A deep-water pier-style dock accommodates boats up to 40 ft giving you instant access to world-class fishing, diving, and boating. Designed for adventure and convenience, the property includes parking for up to 3 vehicles, 2 covered spaces beneath the home and an additional uncovered driveway space ideal for extra parking or a boat trailer. A dedicated tackle room keeps gear organized and ready for your next trip offshore. Everything you love about Key Colony Beach is within easy walking distance, Sunset Park for oceanfront strolls and nightly sunsets, the Key Colony Beach Golf Course, tennis and pickleball courts, the Cabana Club with oceanfront pool and beach access (membership-based), and the Key Colony Beach Marina. Restaurants, walking paths, and the island's friendly, laid-back atmosphere are all right at your doorstep. With 7-day rentals permitted, this property offers excellent vacation-rental potential in one of the most desirable waterfront, boating communities in the Middle Keys. A bright, breezy coastal escape and always a pleasure to show.
Full Property Details
Full Property Details for 46 Sadowski Causeway
General
- Price: $895,000
- Taxes: $4,141 (2025)
- Status: Active
- Type: Single Family
- Source: Greater_Miami
- MLS ID: A12056491
- Updated: 7/20/2026
- Added to Site: 6 day(s) ago
Interior
- Interior Features: Second Floor Entry, Storage
- Appliances: Dishwasher, Disposal, Dryer, Electric Range, Electric Water Heater, Microwave, Refrigerator, Washer
- Furnishings: Furniture Negotiable
- Flooring: Tile
Rooms
Bathrooms
- Total Bathrooms: 2
- Full Bathrooms: 2
- Primary Bathroom: Combination Tub & Shower
Bedrooms
- Total Bedrooms: 2
- Bedroom Features: Primary Bath Shower
Other Rooms
- Living Room: Storage Room Sq. Ft.
- Eat-in kitchen: Yes
- Dining Room: Dining/Living Room, Eat-In Kitchen, Kitchen Dining
Exterior
- Exterior Features: Open Balcony
- Deck/Patio: Open Balcony, Open Porch, Patio
Parking
- Carports: Yes
- Carport Spaces: 3
- Covered Spaces: 3
- Parking Features: Attached Carport, Covered, Driveway, Golf Cart Parking
Location
- Area: Marina Subd No 2
- County: Monroe County
- Subdivision: MARINA SUBD NO 2
- Building Name: MARINA SUBD NO 2
- Driving Directions: Turn on Sadowski Causeway over first bridge, second property on left, sign on property.
- Direction Faces: West
Community
- Community Name: Marina Subd No 2
Heating & Cooling
- Air Conditioning: Yes
- Cooling Type: Ceiling Fan(s), Central Air
- Heating Type: Central
Utilities
- Sewer: Public Sewer, Other
- Water: Municipal Water
Structural Information
- Architectural Style: Attached, Half Duplex, One Story
- Structure Type: House
- Detached/Attached: Attached
- Construction: Concrete Block Construction, CBS Construction
- Roof: Metal Roof
- Windows: Blinds, High Impact Windows, Impact Glass
- Doors: High Impact Doors
- Building Size: 2296
- Square Feet: 975
- Living Area: 975 Sq. Ft.
- Year Built: 2002
Lot Features
- Property View: Canal, Ocean
- Lot Size (Sq. Ft.): 2,260
- Frontage Feet: 30
- Lot Features: Less Than 1/4 Acre Lot
- Zoning: RM
Water Features
- Water Front: Yes
- Water View: Yes
- Water Front Desc.: WF/Ocean Access, Canal Front, Canal Width 121 Feet Or More, Ocean Access
Financial Considerations
- Price Per Sq. Ft.: $917.95
- Tax Amount: $4,141
- Tax Year: 2025
- Terms: All Cash, Conventional, VA Loan
Disclosures and Reports
- Legal Description: NLY 1/2 LT 2 AND ADJ FILL BAY BTM MARINA SUB PLAT 2 PB4-53
- Restrictions: Ok To Lease
- Inclusions: Deeded Dock, Dock Available, Private Dock, Dock Available, Dock Owned/Included, Private Dock, Up to 50 Ft Boat
- Property ID: 00079410-000100
Listed by Ocean Sotheby's International
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Schools
Schools serving 46 Sadowski Causeway
School District:Monroe County School District, Middle Torch Key, FL
| Name | Grades | Distance |
|---|---|---|
Stanley Switlik Elementary School 3400 Overseas Highway, Marathon, FL 33050 | PK-5 | 4.8 mi |
Marathon School 350 Sombrero Beach Road, Marathon, FL 33050 | 6-12 | 4 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 46 Sadowski Causeway
Date
Details
Price
Change
Source
7/20/2026
Listed
$895,000
118.29%
MLS
3/22/2013
Sold
$410,000
—
Public Record
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
Tax History for 46 Sadowski Causeway
Year
Property Taxes
Change
Tax Assessment
Change
2025
$4,141
1%
$421,096
3%
2024
$4,106
4%
$409,229
3%
2023
$3,936
3%
$397,310
6%
2021
$3,803
—
$374,503
-3%
2022
$3,789
—
$385,738
4%
2021
$3,803
7%
$369,333
2%
2019
$3,555
6%
$361,030
2%
2018
$3,367
4%
$354,299
2%
2017
$3,225
-3%
$347,012
2%
2016
$3,340
2%
$339,875
1%
2015
$3,263
-11%
$337,512
2%
2014
$3,664
30%
$329,282
38%
2013
$2,828
—
$238,583
—
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
Estimate the Cost for 46 Sadowski Causeway
46 Sadowski Cswy, Key Colony, FL 33051 (MLS# A12056491) is a Single Family property with 2 bedrooms and 2 full bathrooms. 46 Sadowski Cswy is currently listed for $895,000 and was received on July 20, 2026. Want to learn more about 46 Sadowski Cswy? 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.

