391 10th Street, Key Colony, FL 33051
$1,310,000
Property Type:
Residential
Bedrooms:
3
Baths:
3
Square Footage:
2,166
Lot Size (sq. ft.):
4,125
Status:
Active
Current Price:
$1,310,000
List Date:
4/02/2026
Last Modified:
4/08/2026
Overview
Description
...
(Read more)
Discover exceptional waterfront living in the heart of Key Colony Beach. This concrete constructed half duplex offers over 2,100 square feet with three bedrooms, three bathrooms inside and 37.5 feet of dockage. A rare and highly desirable interior staircase welcomes you from the above flood first floor, seamlessly connecting both levels of the home. Downstairs is completely built above flood and features a one bedroom, one bathroom suite with additional living area, ideal for guests or extended family. Step through sliding glass doors to a spacious wood deck and 37.5 feet of dockage. Enjoy the ocean breeze and shade under the lush buttonwood tree. Upstairs, enjoy open concept living with a bright and airy kitchen, dining, and living area designed for effortless entertaining. The primary suite boasts a recently renovated bathroom with step-in tiled shower, quartz topped double vanity and tiled flooring. Nearby, a second guest bedroom offers its own ensuite for added comfort and privacy. Recent updates include a newer AC, 2018 standing seam metal roof, and termite tenting with a transferable warranty, providing peace of mind for years to come. With its rare downstairs living, expansive square footage, and thoughtfully designed layout, this property presents a unique opportunity to own a well-cared-for waterfront residence in one of the most desirable areas of the Florida Keys. Key Colony Beach welcomes primary and seasonal guests with the 9-hole par 3 golf course, tennis and pickle ball courts, Sunset Park, City Hall, police department, multiple restaurants, boat ramp and marina. Enjoy the island lifestyle with amenities galore!
Listing Details MLS# 619329
Location, Tax & Legal
- Street #
- 391
- Street Name
- 10th
- Street Suffix
- Street
- Key/Island
- Key Colony
- State/Province
- FL
- Zip Code
- 33051
- County
- Monroe
- Subdivision
- Key Colony Bch 1st Addn Amd Plat (53.5)
- Area
- 17 - Vaca Cut - Both Sides Holiday Inn/Key Colony
- City
- KEY COLONY
- Mile Marker
- 53.5
- Marathon Neighborhood
- Marathon East - Gulf (Airport to Vaca)
- Side
- Ocean
- Flood Zone
- AE
- Alternate Key #
- 1081990
- Parcel #
- 00076300000000
- Zoning
- R-2A - Key Colony Two Family
- Deed Restrictions
- Unknown
- Legal
- BK 11 NLY 1/2 LT 14 KEY COLONY BEACH FIRST ADDN AMENDED PLAT PB4-11 SHELTER KEY
- Taxes
- 6525.23
- Tax Year
- 2025
- Pub Sewer HkUp
- Yes
Contract Information
- Listing Board
- Marathon/Lower Keys
- As is Rght to Inspct
- Yes
- Species List
- No
General Property Description
- Realtor.COM Type
- Residential - Single Family
- Style
- Half Duplex
- Waterfront
- Yes
- Control Depth
- 5
- Pool
- No
- Year Built
- 1988
- Lot SqFt
- 4125
- Acres
- 0.09
- Living Apx SqFt
- 2166
- SqFt Source
- Property Data Card
- Total Bedrooms
- 3
- Full Baths
- 3
- Total Baths
- 3
- Rentals Allowed
- Yes
- Min Rental Days
- 7
Association Info
- Mandatory Home Owners Asc
- No
- 1st Right of Refusal
- No
- Association Fee $
- 0
Dockage
- Dock Length
- 37
- Dock
- Wood
More Information
Building Style
- Above Flood
- Yes
- Stories
- 2 Stories
Remarks & Misc
- Remarks – Consumer
- Discover exceptional waterfront living in the heart of Key Colony Beach. This concrete constructed half duplex offers over 2,100 square feet with three bedrooms, three bathrooms inside and 37.5 feet of dockage. A rare and highly desirable interior staircase welcomes you from the above flood first floor, seamlessly connecting both levels of the home. Downstairs is completely built above flood and features a one bedroom, one bathroom suite with additional living area, ideal for guests or extended family. Step through sliding glass doors to a spacious wood deck and 37.5 feet of dockage. Enjoy the ocean breeze and shade under the lush buttonwood tree. Upstairs, enjoy open concept living with a bright and airy kitchen, dining, and living area designed for effortless entertaining. The primary suite boasts a recently renovated bathroom with step-in tiled shower, quartz topped double vanity and tiled flooring. Nearby, a second guest bedroom offers its own ensuite for added comfort and privacy. Recent updates include a newer AC, 2018 standing seam metal roof, and termite tenting with a transferable warranty, providing peace of mind for years to come. With its rare downstairs living, expansive square footage, and thoughtfully designed layout, this property presents a unique opportunity to own a well-cared-for waterfront residence in one of the most desirable areas of the Florida Keys. Key Colony Beach welcomes primary and seasonal guests with the 9-hole par 3 golf course, tennis and pickle ball courts, Sunset Park, City Hall, police department, multiple restaurants, boat ramp and marina. Enjoy the island lifestyle with amenities galore!
- Directions
- From US-1, turn onto Sadowski Causeway. Turn right onto West Ocean Drive. Right onto 10th Street. Property will be on left side with sign out front.
Fee Includes
- None
- Yes
Tax Exemptions
- Homestead
- Yes
Appliances
- Dishwasher
- Yes
- Disposal
- Yes
- Dryer
- Yes
- Microwave
- Yes
- Oven
- Yes
- Refrigerator
- Yes
- Stainless Steel Appliance(s)
- Yes
- Washer
- Yes
Pets
- Pets Allowed
- Yes
Cooling
- Ceiling Fans(s)
- Yes
- Central Air
- Yes
Waterfront
- Canal Front
- Yes
Waterview
- Canal View
- Yes
Floor
- Laminate
- Yes
- Tile
- Yes
Neighborhood Feature
- Bike Paths
- Yes
- Community Boat Ramp
- Yes
- Tennis Courts
- Yes
Interior Features
- Entrance Foyer
- Yes
- Quartz Countertops
- Yes
- Storage
- Yes
Windows/Doors
- Awning Windows
- Yes
- Sliding Glass Doors
- Yes
Vehicle Storage
- Guest Parking
- Yes
- Open Parking
- Yes
- Off Street Parking
- Yes
Security
- Patrolled Area
- Yes
Construction
- CBS
- Yes
Land Size
- Less Than 1/4 Acre
- Yes
Furnished
- Partially
- Yes
Terms
- No Seller Finance
- Yes
Utilities
- Buyer to Verify
- Yes
- Cable Available
- Yes
- Community Swr Plant
- Yes
- FKAA
- Yes
- Municipal Sewer
- Yes
Porch/Balcony
- Deck
- Yes
- Open Porch/Balcony
- Yes
Exterior Features
- Fencing
- Yes
Roof
- Metal Roof
- Yes
Shutters
- Accordion
- Yes
Property Features
Fee Includes:
None
Tax Exemptions:
Homestead
Waterfront:
Canal Front
Waterview:
Canal View
Vehicle Storage:
Guest Parking; Off Street Parking; Open Parking
Furnished:
Partially
Cooling:
Ceiling Fans(s); Central Air
Utilities:
Buyer to Verify; Cable Available; Community Swr Plant; FKAA; Municipal Sewer
Interior Features:
Entrance Foyer; Quartz Countertops; Storage
Appliances:
Dishwasher; Disposal; Dryer; Microwave; Oven; Refrigerator; Stainless Steel Appliance(s); Washer
Exterior Features:
Fencing
Construction:
CBS
Shutters:
Accordion
Floor:
Laminate; Tile
Roof:
Metal Roof
Pets:
Pets Allowed
Neighborhood Feature:
Bike Paths; Community Boat Ramp; Tennis Courts
Security:
Patrolled Area
Land Size:
Less Than 1/4 Acre
Terms:
No Seller Finance
Listing Office:
Ocean Sotheby's International Relaty
Last Updated: April - 08 - 2026
The data relating to real estate for sale on this web site comes in part from the Florida Keys MLS, Inc. Information provided is deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. The information being provided is for consumers’ personal, non-commeral use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. IDX data is deemed reliable but is not guaranteed accurate by the MLS.

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