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.

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77 S Conch Ave, Marathon, FL 33050

Price
Price:
$499,000.00
Original List Price:
$499,000.00
Property Status and Type
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
Measures
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
Property Features
View from the Property:
Water
Waterfront:
No
Building:
Not Applicable
Vegetation and Trees:
Brush
Property Entrance Faces:
South
Water Access Description:
None
Taxes and Expenses
Tax Annual Amount:
$1,357.00
Tax Year:
2025
Parking
Covered Spaces:
0
Community
Subdivision Name:
CONCH KEY
Senior Community:
No
Development Status:
Site Plan Filed
Terms
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
Zoning and Legal
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
Listing History
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
Additional Information
Flood Zone:
AE
Municipal Code:
34
Courtesy of:
Alterra Realty Group Inc
Attribution:
Not provided
Road Surface Type:
Paved
Location
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
Property Map

Neighborhood Stats

Source: U.S. Census Bureau, ACS 5-Year Estimates

Median Household Income $83,243
Median Home Value $705,600
Median Rent $1,611/mo
Median Age 48
Population 10,586

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Association of REALTORS®
Disclaimer: IDX listing information is presented by Rebonus Brokerage LLC for consumer informational purposes only. The information provided is 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. Data is deemed reliable but is not guaranteed by the MLS or the real estate broker. This page presents structured listing information sourced directly from the MLS via the RESO Web API feed. Rebonus prioritizes maximum field coverage and data completeness, displaying the most granular MLS-provided attributes available.