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About This Home

This 3-bedroom, 3-bathroom single family at 391 10th Street in Key Colony, FL is listed for $1,275,000 ($589 per sqft). Built in 1988, the home offers 2,166 sqft of living space on a 0.09 acres lot.

Agent 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 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!

Key Features

  • Built in 1988
  • 0.09 acre lot
  • 2 stories
  • Waterfront

Property Details

2 stories
3 full
1988

Amenities

WaterfrontA/C

Monthly Cost Estimate

$6,819/mo

20% down · 6.5% · 30 years

Principal$922
Interest$5,525
Insurance$372

Estimates only. Actual payments may vary.

Location

391 10th Street

Key Colony, FL 33051

Key Colony Bch 1st Addn Amd Plat (53.5)

Features & Amenities

Interior Features

StorageQuartz Countertops

Exterior Features

Fencing

Property Details

Flooring

TileLaminate

Construction

CBS

Pool Features

PorchDeck

Parking

Open

Cooling

Central Air

Appliances

WasherDryerDishwasherRefrigeratorOvenMicrowaveDisposalStainless Steel Appliance(s)

Questions & Answers

This 3-bedroom, 3-bathroom single family at 391 10th Street is listed at $1,275,000 ($589/sqft). The estimated monthly payment is $5,525 based on 20% down at 6.5% interest.

Key features include: Built in 1988, 0.09 acre lot, 2 stories, Waterfront. Interior Features: Storage, Quartz Countertops. Exterior Features: Fencing.

This property is listed by Ally Kelley and can be reached at 7274590493 or akelley@oceansir.com.

AK

Ally Kelley

Agent at Ocean Sotheby's International

(727) 459-0493

Listed by Ocean Sotheby's International · View on Broker Site

MLS# 619329· Source: listhub· Updated 60 days ago

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.

391 10th Street, Key Colony, FL 33051

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