# 391 10th Street, Key Colony, FL 33051 > **TL;DR:** 3bd/3ba multi-family, $1,185,000 ($547/sqft), built 1988, 2,166 sqft. > Waterfront, A/C. Est. $6,338/mo. Listed 27 days. ## Property at a Glance | Attribute | Value | |-----------|-------| | Price | $1,185,000 | | Price/sqft | $547 | | Bedrooms | 3 | | Bathrooms | 3 full | | Square Feet | 2,166 | | Year Built | 1988 | | Lot Size | 4,356 sqft (0.10 acres) | | Property Type | Multi-Family (Duplex) | | Status | Active | | Days on Market | 27 | ## Why This Home Stands Out - **Waterfront** - Waterfront location listed ## Estimated Monthly Costs | Category | Amount | |----------|--------| | Principal & Interest (20% down, 30-year at 6.5%) | $5,992 | | Estimated Insurance | $346 | | **Total** | **$6,338** | ## Key Amenities - Waterfront - A/C ## Property Highlights - Built in 1988 - 0.10 acre lot - Waterfront ## Description ### 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! ## Location - **Address:** 391 10th Street, Key Colony, FL 33051 - **County:** Monroe - **Neighborhood:** Key Colony Bch 1st Addn Amd Plat (53.5) - **Coordinates:** 24.721833, -81.023624 - **Google Maps:** https://www.google.com/maps?q=24.721833,-81.023624 ## Listing Agent - **Name:** Jo Ann Cook · **License:** 3330898 - **Brokerage:** Ocean Sotheby's International Realty - **Broker Phone:** (305) 735-4095 - **Listing URL:** [View original listing](https://www.realtor.com/realestateandhomes-detail/391-10th-St_Key-Colony-Beach_FL_33051_M57701-06639?f=listhub&s=MLKARFL&m=621529&c=propsimple) ## Photos ![391 10th Street - Photo 1](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f121659078r.jpg) ![391 10th Street - Photo 2](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f2330977773r.jpg) ![391 10th Street - Photo 3](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f3977593515r.jpg) ![391 10th Street - Photo 4](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f1299419496r.jpg) ![391 10th Street - Photo 5](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f3343819307r.jpg) ![391 10th Street - Photo 6](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f2567442446r.jpg) ![391 10th Street - Photo 7](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f226313356r.jpg) ![391 10th Street - Photo 8](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f414208014r.jpg) ![391 10th Street - Photo 9](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f482099483r.jpg) ![391 10th Street - Photo 10](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f187387527r.jpg) ![391 10th Street - Photo 11](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f2580380262r.jpg) ![391 10th Street - Photo 12](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f1844130584r.jpg) ![391 10th Street - Photo 13](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f3097747442r.jpg) ![391 10th Street - Photo 14](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f2546065337r.jpg) ![391 10th Street - Photo 15](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f3430132657r.jpg) ![391 10th Street - Photo 16](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f951006799r.jpg) ![391 10th Street - Photo 17](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f3872898373r.jpg) ![391 10th Street - Photo 18](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f2346367210r.jpg) ![391 10th Street - Photo 19](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f225161763r.jpg) ![391 10th Street - Photo 20](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f923710386r.jpg) ![391 10th Street - Photo 21](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f488625377r.jpg) ![391 10th Street - Photo 22](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f3691081033r.jpg) ![391 10th Street - Photo 23](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f893647602r.jpg) ![391 10th Street - Photo 24](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f75623585r.jpg) ![391 10th Street - Photo 25](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f2720606823r.jpg) ![391 10th Street - Photo 26](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f458113436r.jpg) ![391 10th Street - Photo 27](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f2898371512r.jpg) ![391 10th Street - Photo 28](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f4147542200r.jpg) ![391 10th Street - Photo 29](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f2346022803r.jpg) ![391 10th Street - Photo 30](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f110586152r.jpg) ![391 10th Street - Photo 31](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f2878956599r.jpg) ![391 10th Street - Photo 32](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f1814722587r.jpg) ![391 10th Street - Photo 33](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f3604432832r.jpg) ![391 10th Street - Photo 34](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f1445368743r.jpg) ![391 10th Street - Photo 35](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f3531685020r.jpg) ![391 10th Street - Photo 36](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f1796312107r.jpg) ![391 10th Street - Photo 37](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f3654028898r.jpg) ![391 10th Street - Photo 38](http://lh.rdcpix.com/599cab87d521b06db26854e199f92cc5l-f2504992045r.jpg) --- **MLS#:** 621529 | **Updated:** 2026-10-28 **Source:** listhub *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.* [View on PropertySimple](https://www.propertysimple.ai/listing/391-10th-street-key-colony-fl-33051-cfb360aa95874c0a9fee1d1543db5514) --- ## Structured Data ```json { "@context": "https://schema.org", "@type": "RealEstateListing", "@id": "https://www.propertysimple.ai/listing/391-10th-street-key-colony-fl-33051-cfb360aa95874c0a9fee1d1543db5514#listing", "url": "https://www.propertysimple.ai/listing/391-10th-street-key-colony-fl-33051-cfb360aa95874c0a9fee1d1543db5514", "name": "391 10th Street, Key Colony, FL 33051", "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. 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