Judy Cinque - Key Colony Beach Realty
220 Sadowski Causeway
Key Colony Beach, FL 33051
New Listing$1,499,000 $8,047 est/mo Sourced by Back At You
9104 Aviation Boulevard,MARATHON, FL 33050
MARATHON, FL 33050
Description
CANALFRONT DUPLEX WITH EXCELLENT BOATING & INVESTMENT POTENTIAL! Discover a fantastic opportunity to own this canalfront duplex in the heart of Marathon, offering excellent boating access and the flexibility of weekly vacation rentals! Situated on a 7,500 sq. ft. lot along an approximately 50' wide, crystal-clear canal, this property features two spacious 2-bedroom, 2-bath residences totaling 1,924 sq. ft. Each unit offers an inviting open floor plan, laundry, a private screened porch overlooking the water perfect for enjoying the tropical breezes and downstairs storage. Boating enthusiasts will appreciate the concrete dockage, with room to accommodate boats up to 36' on each side. Solid CBS construction with impact windows and standing seam metal roof. With weekly rentals permitted, this property presents outstanding income-producing potential, whether you choose to rent both residences or enjoy one while generating income from the other. Conveniently located behind the Marathon Airport with the public boat ramp close by and just minutes from dining, shopping, beautiful Sombrero Beach, and all the attractions that make Marathon a premier Florida Keys destination. An exceptional opportunity to enjoy the Keys lifestyle while capitalizing on the area's strong vacation rental appeal!
Details
| MLS # | 621663 |
|---|---|
| Listing Type | For Sale |
| Style | Duplex |
| Sub-Type | Resale |
| Status | Active |
| Year | 1978 |
| Days On Site | 3 |
| Listing Provided By | Coldwell Banker Schmitt Real Estate Co | Lisa H Ferringo |
Features
| Bed(s) | 4 |
|---|---|
| Bath(s) | 4 Total |
| SQ Feet | 1,924 |
| Zoning | RM - Residential Medium |
| Acreage | 0.17 |
| Water Front | Yes |
| Property View | Canal |
Taxes
| Property | 9513 |
|---|
Area Information
| State | FL |
|---|---|
| County | Monroe |
| City | MARATHON |
| Zip Code | 33050 |
| Area | 15 Sombrero Bch Rd to Vaca Cut Gulfside |
| Community Name | Sea Air Estates (52.0) |
| Listing VS Median (in Sea Air Estates (52.0)) | |
Price: $1,499,000 low | high Med: $2,095,000 sqft: 1,924 low | high Med: 2,719 $ / sqft: $779 low | high Med: $771 On site: 3 low | high Med: 163 | |
Market Activity 33050
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MLS Internet Data Exchange (IDX) information is provided exclusively for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and that the data is deemed reliable but is not guaranteed accurate by the Florida Keys Board of Realtors.
The data relating to real estate for sale on this web site come s in part from the Internet Data Exchange program of the Marathon and Lower Keys Association of REALTORS®, Inc. MLS. Real Estate listings held by brokerage firms other than Key Colony Beach Realty, Inc. are marked with the MLS logo and detailed information about them includes the name of the listing broker’s office.
The data relating to real estate for sale on this web site come s in part from the Internet Data Exchange program of the Marathon and Lower Keys Association of REALTORS®, Inc. MLS. Real Estate listings held by brokerage firms other than Key Colony Beach Realty, Inc. are marked with the MLS logo and detailed information about them includes the name of the listing broker’s office.
Contact
Learn More About This Property
| State | FL |
|---|---|
| County | Monroe |
| City | MARATHON |
| Zip Code | 33050 |
| Area | 15 Sombrero Bch Rd to Vaca Cut Gulfside |
| Community Name | Sea Air Estates (52.0) |
| Listing VS Median (in Sea Air Estates (52.0)) | |
Price: $1,499,000 low | high Med: $2,095,000 sqft: 1,924 low | high Med: 2,719 $ / sqft: $779 low | high Med: $771 On site: 3 low | high Med: 163 | |
Nearby Listings (Within 1/2 mile)
Price: $1.124M - $1.873M
sqft: 1,000 - 2,000
 | $1,539,0001791 Grouper DriveMarathon, FL 33050 |
 | $1,225,000574 & 576 99th Street OceanMarathon, FL 33050 |
 | $1,250,000280 100th Street OceanMarathon, FL 33050 |
 | $1,599,0002143 Yellowtail DriveMarathon, FL 33050 |
 | $1,599,0002110 Dolphin DriveMarathon, FL 33050 |
Listing Updated: October 16, 2026 at 4:30:14 PM PDT
Judy Cinque | | SL649582
Main - 220 Sadowski Causeway, Key Colony Beach, FL 33051
© Copyright 2026, Back At You
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Judy Cinque | | SL649582
Main - 220 Sadowski Causeway, Key Colony Beach, FL 33051
MLS Internet Data Exchange (IDX) information is provided exclusively for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and that the data is deemed reliable but is not guaranteed accurate by the Florida Keys Board of Realtors.
The data relating to real estate for sale on this web site come s in part from the Internet Data Exchange program of the Marathon and Lower Keys Association of REALTORS®, Inc. MLS. Real Estate listings held by brokerage firms other than Key Colony Beach Realty are marked with the MLS logo and detailed information about them includes the name of the listing broker’s office.
Listing Information Last Updated October 18, 2026 at 6:58:16 PM PDT