Date
Details
Price
Change
Source
1/06/2026
Listed
$1,700,000
—
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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$1,700,000
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Property Description
Unapproved Short Sale for Non-Conforming 2 Bed/3 Bath Waterfront Home in Marathon. Large corner lot with 205 feet of water frontage. First floor has non-conforming addition of 2 bedrooms and living area. Second floor nicely updated with renovated kitchen, baths and impact windows throughout.
Full Property Details
Full Property Details for 10999 Ave 3rd Ave Gulf
General
- Price: $1,700,000
- Taxes: (2025)
- Status: Active
- Type: Single Family
- Source: Ft_Lauderdale
- MLS ID: F10543646
- Updated: 1/8/2026
- Added to Site: 11 day(s) ago
Interior
- Rooms/Areas: Other
- Interior Features: Second Floor Entry
- Appliances: Dishwasher, Electric Range, Refrigerator, Self-Cleaning Oven, Washer
- Flooring: Laminate
- Windows/Treatment: High Impact Windows, Impact Glass
Rooms
Bathrooms
- Total Bathrooms: 3
- Full Bathrooms: 3
Bedrooms
- Total Bedrooms: 2
- Bedroom Features: Master Bedroom Upstairs
Additional Information
- Pool: Yes
- Pool Description: Below Ground Pool, 20x15
Exterior
- Exterior Features: High Impact Doors, Open Balcony
Parking
- Parking: Driveway
Location
- Area: 5940
- County: Monroe County
- Development Name: Key Colony
- Subdivision: Key Colony Sub 4
- Direction Faces: South West
Heating & Cooling
- Cooling Type: Central Cooling, Electric Cooling
- Heating Type: Central Heat, Electric Heat
Utilities
- Sewer: Municipal Sewer
- Water: Municipal Water
Structural Information
- Architectural Style: WF/Pool/Ocean Access
- Construction: Concrete Block Construction
- Roof: Metal Roof
- Living Area: 1,247 Sq. Ft.
- Year Built: 1977
Lot Features
- Property View: Canal
- Lot Size (Sq. Ft.): 10,125
- Zoning: IS
- Lot Description: Less Than 1/4 Acre Lot
Water Features
- Water Front: Yes
- Water Access Desc: Private Dock, Unrestricted Salt Water Access
Financial Considerations
- Tax Year: 2025
- Terms: Cash
Disclosures and Reports
- Legal Description: BK 9 LT 1 KEY COLONY SUBD 4 PB4-23 KEY VACA OR431-100 OR679-699 OR1368-724 OR1485-1676 OR1549-1413Q/C OR2265-671 OR2295-533T/C OR2359-1411 O
- Restrictions: No Restrictions
- Property ID: 335550000000
Listed by Beckett Realty Advisors, LLC
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Listing agent
— 10999 Ave 3rd Ave Gulf —
Beckett Realty Advisors, LLC
NMLS#: 1598647Get Pre-Approved Today
Schools
Schools serving 10999 Ave 3rd Ave Gulf
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 | 3.9 mi |
Marathon School 350 Sombrero Beach Road, Marathon, FL 33050 | 6-12 | 3.2 mi |
Disclaimer:
School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 10999 Ave 3rd Ave Gulf
Estimate the Cost
Estimate the Cost for 10999 Ave 3rd Ave Gulf
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- Single Family
- Active
- Updated 2 days ago
- 3Beds
- 2Total Baths
- 1,392Sq. Ft.
- Single Family
- Active
- 3Beds
- 4Total Baths
Listed by RE/MAX Advance Realty II
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- Single Family
- Active
- Updated 5 hours ago
- 4Beds
- 4Total Baths
- 3,479Sq. Ft.
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- Single Family
- Closed
- 4Beds
- 5Total Baths
- 2,160Sq. Ft.
10999 Ave 3rd Avenue Gulf, Marathon, FL 33050 (MLS# F10543646) is a Single Family property with 2 bedrooms and 3 full bathrooms. 10999 Ave 3rd Avenue Gulf is currently listed for $1,700,000 and was received on January 06, 2026. Want to learn more about 10999 Ave 3rd Avenue Gulf? Do you have questions about finding other Single Family real estate for sale in Marathon? You can browse all Marathon real estate or contact a Coldwell Banker agent to request more information.