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Duplex on a Large 10,591SF Lot in the FL Keys 329 63rd Court Gulf 2 Unit Apartment Building For Sale Marathon, FL 33050
Investment Highlights
- 2 bed / 2 bath duplex on a generous 10,591± SF lot in the heart of Grassy Key, offering flexible living and/or rental potential in the Middle Keys.
- Excellent redevelopment opportunity: expand, reconfigure, or construct a larger duplex subject to all required local approvals.
- Strong upside potential in a high-demand area near major attractions, making this a compelling investment or custom build site for discerning buyers.
- Prime Marathon location close to popular dining, Sombrero Beach, Marathon Sandbar, Florida Keys Marathon Airport, and Curry Hammock State Park—ideal f
- Versatile layout designed for functionality—one-bedroom floor plans with one full bathroom for comfort, privacy, and everyday convenience.
Executive Summary
UNITED STATES BANKRUPTCY AUCTION
Marathon Development Partners, LLC - Marathon, Florida
Auction Date: Thursday, September 10, 2026 | Auction Subject to Terms of Sale
Fisher Auction Company and Compass Florida / The Abella Group are pleased to present a 2 Bedroom / 2 Bathroom Duplex on a Large 10,591± SF Lot in the Heart of the Florida Keys located on Grassy Key, Marathon, Florida. Ideal for redevelopment, expansion, or construction of a larger duplex, subject to local approvals. Prime location near popular restaurants, Sombrero Beach, Marathon Sandbar, Florida Keys Marathon Airport, and Curry Hammock State Park. A versatile property with strong upside potential in the Middle Keys.
Property highlights
- 2 bed / 2 bath duplex on a generous 10,591± SF lot in the heart of Grassy Key, offering flexible living and/or rental potential in the Middle Keys.
- Prime Marathon location close to popular dining, Sombrero Beach, Marathon Sandbar, Florida Keys Marathon Airport, and Curry Hammock State Park—ideal for Keys lifestyle seekers.
- Excellent redevelopment opportunity: expand, reconfigure, or construct a larger duplex subject to all required local approvals
- Versatile layout designed for functionality—one-bedroom floor plans with one full bathroom for comfort, privacy, and everyday convenience.
- Strong upside potential in a high-demand area near major attractions, making this a compelling investment or custom build site for discerning buyers.
Marathon Development Partners, LLC - Marathon, Florida
Auction Date: Thursday, September 10, 2026 | Auction Subject to Terms of Sale
Fisher Auction Company and Compass Florida / The Abella Group are pleased to present a 2 Bedroom / 2 Bathroom Duplex on a Large 10,591± SF Lot in the Heart of the Florida Keys located on Grassy Key, Marathon, Florida. Ideal for redevelopment, expansion, or construction of a larger duplex, subject to local approvals. Prime location near popular restaurants, Sombrero Beach, Marathon Sandbar, Florida Keys Marathon Airport, and Curry Hammock State Park. A versatile property with strong upside potential in the Middle Keys.
Property highlights
- 2 bed / 2 bath duplex on a generous 10,591± SF lot in the heart of Grassy Key, offering flexible living and/or rental potential in the Middle Keys.
- Prime Marathon location close to popular dining, Sombrero Beach, Marathon Sandbar, Florida Keys Marathon Airport, and Curry Hammock State Park—ideal for Keys lifestyle seekers.
- Excellent redevelopment opportunity: expand, reconfigure, or construct a larger duplex subject to all required local approvals
- Versatile layout designed for functionality—one-bedroom floor plans with one full bathroom for comfort, privacy, and everyday convenience.
- Strong upside potential in a high-demand area near major attractions, making this a compelling investment or custom build site for discerning buyers.
Property Facts
| Sale Type | Investment | Lot Size | 0.24 AC |
| No. Units | 2 | Building Size | 1,302 SF |
| Property Type | Multifamily | No. Stories | 2 |
| Property Subtype | Apartment | Year Built/Renovated | 1968/1998 |
| Building Class | C | Parking Ratio | 3.84/1,000 SF |
| Zoning | RM-2 - Residential Medium - 2 | ||
| Sale Type | Investment |
| No. Units | 2 |
| Property Type | Multifamily |
| Property Subtype | Apartment |
| Building Class | C |
| Lot Size | 0.24 AC |
| Building Size | 1,302 SF |
| No. Stories | 2 |
| Year Built/Renovated | 1968/1998 |
| Parking Ratio | 3.84/1,000 SF |
| Zoning | RM-2 - Residential Medium - 2 |
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Fairly walkable
40/100
Exceptionally drivable
100/100
Limited public transit
30/100
Moderately bikeable
70/100
Property Taxes
| Parcel Number | 00336410-000000 | Improvements Assessment | $302,630 CAD |
| Land Assessment | $391,110 CAD | Total Assessment | $693,740 CAD |
Property Taxes
Parcel Number
00336410-000000
Land Assessment
$391,110 CAD
Improvements Assessment
$302,630 CAD
Total Assessment
$693,740 CAD
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Duplex on a Large 10,591SF Lot in the FL Keys | 329 63rd Court Gulf
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