Residential in 77 S Conch Ave Marathon for sale with MLS# A11907654
Presenting 77 S Conch Key, a 4500 SF parcel in the heart of the Florida Keys with two transferable ROGO allocations, each valued at approximately $149,000. This property offers exceptional development potential with ROGO plans approved to build up to four units, providing an ideal foundation for a custom retreat or investment opportunity. While the lot does not offer water access, its location within the exclusive Conch Key community combines privacy, convenience, and significant value through its build rights and proximity to Marathon's marinas, dining, and amenities.
77 S Conch Ave, Marathon, FL 33050
- Price:
- $499,000.00
- Original List Price:
- $499,000.00
- Listing Type:
- For Sale
- Status:
- Active
- Listing Category:
- Land
- Property Type:
- Residential
- MLS Number:
- A11907654
- Description of Last Important Update:
- New Listing
- Last Major Update on:
- November 3, 2025 7:25 pm
- Lot Area:
- 3,500 Sqft
- Lot Size Unit:
- Square Feet
- Lot Features:
- Less Than Quarter Acre
- Lot Size Acres:
- 0.11
- Number of Lots:
- 1
- View from the Property:
- Water
- Waterfront:
- No
- Building:
- Not Applicable
- Vegetation and Trees:
- Brush
- Property Entrance Faces:
- South
- Water Access Description:
- None
- Tax Annual Amount:
- $1,357.00
- Tax Year:
- 2025
- Covered Spaces:
- 0
- Subdivision Name:
- CONCH KEY
- Senior Community:
- No
- Development Status:
- Site Plan Filed
- Listing Terms Considered by Seller:
- Cash, Owner May Carry (Owner Financing, The Seller may be interested in carrying the mortgage note)
- Buyer Possession:
- Close Of Escrow
- Lease Considered:
- No
- Tax Legal Description:
- LT 19 CONCH KEY PB2-130 OR4-161 OR340-8 OR986-1849 OR1910-498 OR2479-1545/46 OR2912-1627/28
- Real Estate Folio Number (Parcel Number):
- 00385830-000000
- Zoning Description:
- CFA
- Originally published on:
- November 3, 2025 7:25 pm
- Active on the market since:
- November 3, 2025
- Price change occurred on:
- November 3, 2025 7:25 pm
- Listing Status Last Changed On:
- November 3, 2025 7:25 pm
- Photos updated on:
- November 4, 2025 12:54 am
- Last Modified:
- February 2, 2026 4:42 pm
- Flood Zone:
- AE
- Municipal Code:
- 34
- Courtesy of:
- Alterra Realty Group Inc
- Attribution:
- Not provided
- Road Surface Type:
- Paved
- Street Name:
- Conch Ave
- Street Number:
- 77
- City:
- Marathon
- State:
- Florida
- Zip Code:
- 33050
- County:
- Monroe
- Latitude:
- N24° 47' 24.3''
- Longitude:
- W81° 6' 33.2''
- Street Direction Prefix:
- S
Neighborhood Stats
Source: U.S. Census Bureau, ACS 5-Year Estimates

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