**RARE WATERFRONT OPPORTUNITY IN EXCLUSIVE YACHT HARBOR ISLAND!** Discover one of Marathon's most desirable waterfront homesites, perfectly positioned on Vaca Cut with breathtaking sunset views and direct boating access to both the Atlantic Ocean and Gulf. Offered for sale for the first time in nearly 30 years, this oversized lot-and-a-half boasts an impressive 155 feet of water frontage, including 135 feet of brand-new 2026 seawall and a rare 20-foot-wide private boat ramp! This highly desirable feature makes the property a true boater's paradise, offering exceptional convenience and access to world-class fishing and cruising.The existing residence requires substantial renovation or redevelopment and is being offered AS-IS. The seller has building plans specifically designed for the property, or bring your own vision to life and create your dream Florida Keys waterfront estate. The expansive lot offers potential space for a resort-style pool, tiki hut, garage, RV parking, boat storage, and more, subject to applicable approvals. This remarkable homesite offers endless possibilities in one of Marathon's most sought-after oceanfront locations!
The data relating to real estate on this website comes in part from the Internet Data Exchange (IDX) program of the Key West Association of REALTORS®. IDX information is provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. All Information Is Deemed Reliable But Is Not Guaranteed Accurate. !-->
Key West data last updated at November 7, 2026, 11:34 PM ET !-->
**RARE WATERFRONT OPPORTUNITY IN EXCLUSIVE YACHT HARBOR ISLAND!** Discover one of Marathon's most desirable waterfront homesites, perfectly positioned on Vaca Cut with breathtaking sunset views and direct boating access to both the Atlantic Ocean and Gulf. Offered for sale for the first time in nearly 30 years, this oversized lot-and-a-half boasts an impressive 155 feet of water frontage, including 135 feet of brand-new 2026 seawall and a rare 20-foot-wide private boat ramp! This highly desirable feature makes the property a true boater's paradise, offering exceptional convenience and access to world-class fishing and cruising.The existing residence requires substantial renovation or redevelopment and is being offered AS-IS. The seller has building plans specifically designed for the property, or bring your own vision to life and create your dream Florida Keys waterfront estate. The expansive lot offers potential space for a resort-style pool, tiki hut, garage, RV parking, boat storage, and more, subject to applicable approvals. This remarkable homesite offers endless possibilities in one of Marathon's most sought-after oceanfront locations!
Property Details
Location Information+
County
Monroe
MLS Area
17 - Vaca Cut - Both Sides Holiday Inn/Key Colony
Latitude
24.728421
Longitude
---
Key/Island
Marathon
Subdivision
Yacht Harbor Island (53.5)
Interior Features+
Full Baths
2
Appliances
No Appliances
Exterior Features+
Style
Ground Level
Construction
CBS, Concrete
Exterior
Chickee Hut
Roof
Tar/Gravel Roof
Utilities
FKAA, Buyer to Verify, Municipal Sewer
Parking Description
Carport, RV Parking Open, Covered Parking, Off Street Parking, Guest Parking, Open Parking
Has a Pool
No
Lot Size in Acres
---
Lot Size in Sq. Ft.
13,300
Zoning
RM - Residential Medium
Flood Zone
AE
Waterfront Description
Oceanfront, Open Water
Has Waterfront
Yes
Has Waterview
Yes
Waterview Description
Ocean View, Open Water View
Additional Information+
Property Type
SFR
Property SubType
Single Family
Year Built
1963
APN
1439843
Status
Active
HOA Fee Includes
None
Pets
Pets Allowed
Tax Year
2025
Tax Amount
$26,217.09
Dock Description
Boat Ramp
Square Feet Source
Property Data Card
The data relating to real estate on this website comes in part from the Internet Data Exchange (IDX) program of the Key West Association of REALTORS®. IDX information is provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. All Information Is Deemed Reliable But Is Not Guaranteed Accurate. !-->
Key West data last updated at November 7, 2026, 11:34 PM ET !-->