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391 10th Street, Key Colony, FL 33051

New Listing
$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: 4/02/2026

Description

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 ground level foyer, seamlessly connecting both levels of the home. Downstairs features a one bedroom, one bathroom suite with additional living area, ideal for guests or extended family, with direct access 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!

More Information MLS# 619329

Contract Information

Current Price: $1,310,000 Listing Date: 2026-04-02 Listing Board: Marathon/Lower Keys List Price: $1,310,000 As is Rght to Inspct: Yes Species List: No

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

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

Status Change Info

Status: Active

Association Info

Mandatory Home Owners Asc: No 1st Right of Refusal: No

Dockage

Dock Length: 37 Dock: Wood

Building Style

Above Flood: Yes Stories: 2 Stories

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 Realty
Last Updated: April - 02 - 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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