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$899,000 Just Listed

  • For Sale
  • Active
  • Duplex
  • 2 Beds
  • 2 Full Baths
  • 975 Sq. Ft.
  • Updated 4 days ago
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Nicely renovated 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 for 46 Sadowski Causeway

General

  • Price: $899,000
  • Taxes: $4,141 (2025)
  • Status: Active
  • Type: Duplex
  • Source: 927
  • MLS ID: 620568
  • Updated: 7/9/2026
  • Added to Site: 6 day(s) ago

Interior

  • Interior Features: Workshop, Built-in Cabinets, Drapes/Blinds Incl, Smoke Alarms, Window Treatments
  • Appliances: Dishwasher, Dryer, Microwave, Oven, Range, Refrigerator, Washer
  • Flooring: Tile

Rooms

Bathrooms

  • Total Bathrooms: 2
  • Full Bathrooms: 2

Bedrooms

  • Total Bedrooms: 2

Additional Information

  • Shared Amenities: Other Area Features, Bike Paths, Tennis Court(s)

Exterior

  • Exterior Features: Storage, Boat Slip
  • Deck/Patio: Open Porch/Balcony, Patio
  • Porch/Patio/Deck: Open Porch/Balcony, Patio

Parking

  • Parking Features: Off Street, Covered, Carport

Location

  • Area: 17 - Vaca Cut - Both Sides Holiday Inn/Key Colony
  • County: Monroe
  • Subdivision: Marina Sub (54.0)
  • Driving Directions: Turn on Sadowski Causeway over first bridge, second property on the left, sign on property.

Community

  • Assoc. Fees Include: None
  • Pets Allowed: Yes

Heating & Cooling

  • Central air: Yes
  • Air Conditioning: Yes
  • Cooling Type: Central Air, Ceiling Fans(s)
  • Heating Type: Central, Electric

Structural Information

  • Architectural Style: Above Flood
  • Construction: CBS, Concrete
  • Roof: Metal
  • Windows/Doors: Impact Rstnce Doors, Impact Rstnce Window
  • Square Feet: 975
  • Sq. Ft. Source: Property Data Card
  • Year Built: 2002

Lot Features

  • Property View: Harbor/Marina View, Canal, Open Water View, Lake
  • Lot Size (Acres): 0.05
  • Lot Size (Sq. Ft.): 2,260
  • Lot Size Source: Property Data Card
  • Lot Dimensions: x
  • Zoning: R-2B - Key Colony Two Family

Water Features

  • Water Front: Yes
  • Water View: Yes
  • Water Front Desc.: Canal Front, Lake Front, Open Water

Financial Considerations

  • Tax Amount: $4,141.23
  • Tax Year: 2025

Disclosures and Reports

  • Legal Description: NLY 1/2 LT 2 AND ADJ FILL BAY BTM MARINA SUB PLAT 2 PB4-53
  • Flood Zone: AE
  • APN: 00079410-000100

Listed by Ocean Sotheby's International, Jo Ann Cook (305) 360-7968 and Ocean Sotheby's International, Curtis Shattuck (608) 386-9950

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Listing agents

— 46 Sadowski Causeway —

  • Jo Ann Cook

    Ocean Sotheby's International

  • Curtis Shattuck

    Ocean Sotheby's International

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 46 Sadowski Causeway

School District:Monroe County School District, Middle Torch Key, FL
NameGradesDistance
Stanley Switlik Elementary School
3400 Overseas Highway, Marathon, FL 33050
PK-54.8 mi
Marathon School
350 Sombrero Beach Road, Marathon, FL 33050
6-124 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 Get Price Alerts and Save Property

Date
Details
Price
Change
Source
7/08/2026
Listed
$899,000
119.27%
MLS
3/22/2013
Sold
$410,000
—
Public Record
Get Price Alerts and Save Property
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 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
—
View All
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 for 46 Sadowski Causeway

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*These costs are estimates, and the interest rates assume exceptional credit standing.

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

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Listed by Ocean Sotheby's International, Jo Ann Cook (305) 360-7968 and Ocean Sotheby's International, Curtis Shattuck (608) 386-9950

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46 Sadowski Causeway, Key Colony, FL 33051 (MLS# 620568) is a Duplex property with 2 bedrooms and 2 full bathrooms. 46 Sadowski Causeway is currently listed for $899,000 and was received on July 08, 2026. Want to learn more about 46 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.

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