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21540 21470 Overseas Highway

Cudjoe Key, FL, 33042

Active

$12,999,999

31

Bedrooms

19

Bathrooms

Living Area

1958

Year Built

157,500

Lot Size (sqft)

761

Days on Market

Dock Score™

DockOnly
66
Good

What shaped this score

Bay
Bridge-free to bay & ocean
Fits boats up to ~100ft+ (est.)
Dock present
·Draft not independently verified
Est. waterfront~300 ft

DockOnly.com rating, not provided by the MLS or listing broker.

Dock & Water AccessMLS

OceanfrontBay FrontOpen Water

AI Aerial Imagery Detection

Dock Detected

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

Located on Cudjoe Key, only 20 miles from Key West. Transient use property, over 3.5 acres, 15 units (15 ROGO exemptions), over 300 feet of water frontage, boat basin, 3 concrete docks, one wooden dock, boat ramp. Shared coin laundry, 2 swimming pools, 3 private driveways. 2 parcels on US 1 are zoned Sub Urban Commercial, excellent rental history. Property spans from US 1 to the Atlantic Ocean. Owner is licensed Realtor. Please do not walk on the property without an appointment

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Location

Cudjoe Key, FL, 33042

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 Select Properties of NWFL via Florida Keys MLS

Last checked: 3 hours ago

Listing updated: December 28, 2025

© 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.

Nearest Bridge Clearances

Florida Keys, critical for tall/large vessels

No bridge data available for this location.
FEMA Flood Zone VE
BFE: 11ft

Coastal High Hazard

View FEMA Flood Map →
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Mortgage Calculator

Estimate your monthly payment for this waterfront property

20%

$2,600,000 down

%
Principal & Interest$67,454/mo
Property Tax (est. ~1.2%, varies by county)$13,000/mo
Home Insurance (est.)$250/mo
Total Monthly Payment$80,704
Loan Amount: $10,399,999Rate: 6.75%
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$12,999,999Tour the dockSchedule a Showing
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.