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321 & 331 9th Street
Key Colony, FL, 33051
Active$3,200,000
321 & 331 9th Street
Key Colony, FL, 33051
Active$3,200,000
4
Bedrooms
6
Bathrooms
3,080 sqft
Living Area
1988
Year Built
8,250
Lot Size (sqft)
1
Days on Market
Dock Score™
DockOnly63
GoodWhat shaped this score
✓Ocean Access
✓Dock present
✓Bridge-free to ocean
✓Fits boats up to ~40ft (est.)
DockOnly.com rating, not provided by the MLS or listing broker.
Dock & Water AccessMLS
Canal Front
AI Aerial Imagery Detection
Dock DetectedSeawall Detected~34-46 ft dock
Detected by AI from open-source aerial mapping imagery and may not reflect current conditions. This information was not provided by the MLS or listing broker. Always verify dock infrastructure with the listing agent.
Navigation RouteDockOnly
Data sources: SFWMD AHED waterway polygons · FHWA National Bridge Inventory 2024 · Not provided by the MLS or listing broker.
Description
Turn-Key Duplex on a Wide, Deep Canal - Key Colony Beach Welcome to one of the most sought-after settings in the Florida Keys -Key Colony Beach -- a private, tucked-away island community known for its quiet streets, boater-friendly waterways, and true Keys lifestyle. This full duplex sits on a impressively wide, clean, deep canal (100 ft across), offering easy access for boats of all sizes and some of the best water views in the neighborhood. Each side of the duplex mirrors the other in quality and layout: upstairs you'll find 2 spacious bedrooms and 2 full baths, while downstairs offers a convenient pool bath plus a bonus game room/flex space with extra storage -- perfect for kayaks, fishing gear, or beach toys. Both units have been tastefully updated and fully furnished, right down to the dishes, pots, pans, and bedding. Just bring your suitcase. This property is as flexible as it is beautiful. Rent both sides for strong dual-income potential, create the ultimate family compound with room for everyone, or live in one side while renting the other for built-in income. However you use it, you're getting two turn-key homes in one of the safest, most tranquil pockets of the Florida Keys. Located just minutes from open water, world-class fishing, and the laid-back charm Key Colony Beach is known for -- this is Keys living at its most effortless. Two homes. One incredible canal. Endless possibilities. SELLING ONLY AS DUPLEX - will not split them Contact Dawn McComish, P.A. -- The Singing Realtor® -- for a private showing.
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Location
Key Colony, FL, 33051
No price history available for this property.
Displayed by Blue Mar Real Estate Group Inc., Licensed Florida Real Estate Broker (DBPR CQ1018554) · [email protected]
Listing courtesy of LPT Realty, LLC via Florida Keys MLS
Last checked: 14 hours ago
Listing updated: August 20, 2026
© 2026 Florida Keys Board of REALTORS®, Inc. All rights reserved. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange (IDX) program of the Florida Keys Board of REALTORS®. Information is deemed reliable but not guaranteed and should be independently verified. All properties are subject to prior sale, change, or withdrawal.
IDX information is provided exclusively for consumers' personal, non-commercial use. It may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
Dock Score™
DockOnly63
GoodWhat shaped this score
✓Ocean Access
✓Dock present
✓Bridge-free to ocean
✓Fits boats up to ~40ft (est.)
DockOnly.com rating, not provided by the MLS or listing broker.
Nearest Bridge Clearances
Florida Keys, critical for tall/large vessels
No bridge data available for this location.
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Mortgage Calculator
Estimate your monthly payment for this waterfront property
20%
$640,000 down
%
Principal & Interest$16,604/mo
Property Tax (est. ~1.2%, varies by county)$3,200/mo
Home Insurance (est.)$250/mo
Total Monthly Payment$20,054
Loan Amount: $2,560,000Rate: 6.75%
Get Pre-QualifiedEstimated payments only. Actual rates and terms may vary.
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Navigation note: Navigation routes show the shortest mapped path to open water. A vessel taller than the binding bridge clearance may still reach open water via a longer alternate route that we don't currently map. Verify navigability with a local captain or surveyor before relying on it.