Ad #7511479
MLS #619329
Discover exceptional waterfront living in the heart of Key
391 10th St, Key Colony Beach, FL 33051
$1,225,000
3Beds
3Baths
2,166Sqft
0.09Acres
About this property
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!
Property Features
3 Beds
3 Baths
2,166 Sqft
Built in 1988
0.09 Acres
2 Stories
On Beachfront
Open
Siding: CBS
Metal Roof
$6,525 / yr property tax
Monroe County
Key Colony Bch 1st Addn Amd Plat (535) Community
Additional Photos
Contact Information
Ally Kelley
Ocean Sotheby's International Realty
727-459-0493
Location
Listing Agent: Ally Kelley (License #: SL3352184) 727-459-0493
Broker: Ocean Sotheby's International Realty 305-735-4095 Listing Site
Copyright © 2026 Marathon and Lower Keys Association of Realtors. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Broker: Ocean Sotheby's International Realty 305-735-4095 Listing Site
Copyright © 2026 Marathon and Lower Keys Association of Realtors. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
BeachHouse.com
Printed Aug 11, 2026
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$1,225,000
3
Beds
3
Baths
2,166
Sqft
391 10th St, Key Colony Beach, FL 33051
By contacting this agent you agree to these Terms and Conditions.
MLS# 619329
Discover exceptional waterfront living in the heart of Key
$1,225,000
391 10th St, Key Colony Beach, FL 33051
3
Beds
3
Baths
2,166
Sqft
0.09
Acres
$1,225,000
391 10th St, Key Colony Beach, FL 33051
3 Beds
3 Baths
2,166 Sqft
0.09 Acres
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!
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Property Details
HOME DETAILS
3 Beds
3 Baths
2,166 Sqft
Built in 1988
0.09 Acres
2 Stories
BEACH & VIEW
On Beachfront
EXTERIOR
Open
Siding: CBS
Metal Roof
FINANCIAL & COMMUNITY
$6,525 / yr property tax
Monroe County
Key Colony Bch 1st Addn Amd Plat (535) Community
See More Details
Location
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Ad Statistics
Ad Number
7511479
Viewed
148 times
Listing Status
Active
Added
Apr 02, 2026
Last Refreshed
Jul 03, 2026 06:17:28 PM
Listing Information
Data Source
Marathon and Lower Keys Association of Realtors
Source Property ID
619329
Listing Agent: Ally Kelley (License #: SL3352184) 727-459-0493
Broker: Ocean Sotheby's International Realty 305-735-4095 Listing Site
Copyright © 2026 Marathon and Lower Keys Association of Realtors. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Broker: Ocean Sotheby's International Realty 305-735-4095 Listing Site
Copyright © 2026 Marathon and Lower Keys Association of Realtors. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
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