Date
Details
Price
Change
Source
9/07/2026
Listed
$1,375,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
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$1,375,000 Just Listed
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Property Description
Your dream Florida Keys waterfront escape starts here--built for boaters who need extra space! Built in 2023, this sleek 3-bedroom, 3-bath residence features a rare 49-foot concrete dock, standing far above the island's standard 30-37.5-foot dockage allowance to accommodate larger vessels with ease. Inside, enjoy airy 9-foot ceilings, crisp tile floors, a stunning white-and-quartz kitchen, and an oversized 2-car garage for gear. Spend afternoons relaxing by the pool or running out to your favorite fishing spot. Perfectly set up as a high-performing weekly vacation rental with proven bookings, this property also offers the rare chance to acquire the adjacent half duplex (232 Sadowski) to double your rental footprint or create an extended family estate. Located in the resort community of Key Colony Beach with restaurants, 9-hole golf course, Sunset Park, sports courts and shopping, all within walking or biking distance.
Full Property Details
Full Property Details for 230 Sadowski Causeway
General
- Price: $1,375,000
- Taxes: $8,903 (2025)
- Status: Active
- Type: Duplex
- Source: 927
- MLS ID: 621229
- Updated: 9/7/2026
- Added to Site: 5 day(s) ago
Interior
- Interior Features: Drapes/Blinds Incl, Quartz Countertops, Storage
- Appliances: Stainless Steel Appliance(s), Dishwasher, Dryer, Microwave, Oven, Range, Refrigerator, Washer
- Flooring: Tile
Rooms
Bathrooms
- Total Bathrooms: 3
- Full Bathrooms: 3
Bedrooms
- Total Bedrooms: 3
Additional Information
- Shared Amenities: Bike Paths, Beach, Tennis Court(s), Airport/Runway
- Pool: Yes
- Pool Description: Concrete, Salt Water, In Ground, Decked
- Security/Safety: Patrolled Area
Exterior
- Exterior Features: Fencing
- Deck/Patio: Deck
- Porch/Patio/Deck: Deck
Parking
- Garage: Yes
- Attached garage: Yes
- Parking Features: Off Street, Attached, Garage Door Opener
Location
- Area: 17 - Vaca Cut - Both Sides Holiday Inn/Key Colony
- County: Monroe
- Subdivision: Marina Sub (54.0)
Community
- Assoc. Fees Include: None
- Pets Allowed: Yes
Heating & Cooling
- Central air: Yes
- Air Conditioning: Yes
- Cooling Type: Central Air, Ceiling Fans(s)
Structural Information
- Architectural Style: Above Flood
- Construction Status: Updated/Remodeled
- Construction: CBS
- Roof: Metal
- Windows/Doors: Impact Rstnce Doors, Impact Rstnce Window, Sliding Glass Doors
- Square Feet: 1,647
- Sq. Ft. Source: Property Data Card
- Year Built: 2023
- Property Condition: Updated/Remodeled
Lot Features
- Property View: Canal
- Lot Size (Acres): 0.24
- Lot Size (Sq. Ft.): 5,309
- Lot Size Source: Property Data Card
- Lot Dimensions: x
- Zoning: R-2C - Key Colony Two Family
Water Features
- Water Front: Yes
- Water View: Yes
- Water Front Desc.: Canal Front
Financial Considerations
- Tax Amount: $8,903.44
- Tax Year: 2025
Disclosures and Reports
- Legal Description: LT 8 NEW MARINA SUBDIVISION PB7-73
- Flood Zone: AE
- APN: 00079372-000800
Listed by Coldwell Banker Schmitt Real Estate Co., Amy Puto (305) 766-1745
We Value Your Privacy
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Listing agent
— 230 Sadowski Causeway —
Amy Puto
Coldwell Banker Schmitt Real Estate Co.
NMLS#: 1598647Get Pre-Approved Today
Schools
Schools serving 230 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 | 4.9 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 230 Sadowski Causeway
Tax History
Tax History for 230 Sadowski Causeway
Year
Property Taxes
Change
Tax Assessment
Change
2025
$17,807
5%
$2,195,942
4%
2024
$16,967
200%
$2,120,261
138%
2023
$5,663
78%
$890,837
119%
2021
$3,180
-34%
$405,916
-42%
2022
$4,828
52%
$701,626
83%
2021
$3,180
16%
$383,802
75%
2019
$2,735
14%
$219,537
10%
2018
$2,405
7%
$199,580
-41%
2017
$2,243
1%
$340,854
2%
2016
$2,219
11%
$335,479
124%
2015
$1,992
48%
$149,948
10%
2014
$1,350
20%
$136,317
23%
2013
$1,121
—
$110,391
—
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 230 Sadowski Causeway
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- Condo
- Active
- Updated 3 hours ago
- 2Beds
- 2Total Baths
- 1,280Sq. Ft.
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- Mobile Home
- Active
- Updated 2 days ago
- 4Beds
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- Active
- Updated 20 hours ago
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- Active
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- Single Family
- Active
- Updated 1 day ago
- 5Beds
- 3Total Baths
- 1,904Sq. Ft.
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- Condo
- Closed
- Updated 6 hours ago
- 3Beds
- 2Total Baths
- 1,716Sq. Ft.
230 Sadowski Causeway, Key Colony, FL 33051 (MLS# 621229) is a Duplex property with 3 bedrooms and 3 full bathrooms. 230 Sadowski Causeway is currently listed for $1,375,000 and was received on September 07, 2026. Want to learn more about 230 Sadowski Causeway? Do you have questions about finding other Duplex 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.