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0 Avenue M, Marathon, FL 33050

$199,000
Property Type: Vacant Land Lot Size (sq. ft.): 12,197 Status: Active
Current Price: $199,000 List Date: 4/24/2026 Last Modified: 4/30/2026

Overview

Description

This is a property for someone thinking about the future, not just today. The lot measures 110' x 110' (just over a quarter acre), is cleared, and sits on a 100-foot-wide, boatable canal with quick access to open water. It's directly across from Cocoplum Beach, giving it a quiet, natural setting that's hard to find. You'll notice there are already homes on this street, including next door, and the two streets leading in show a similar pattern -- one side built out, the other still open. These larger parcels create space, privacy, and a peaceful feel tucked away from US-1. As it stands today, the lot does not meet current density requirements to be built on as a standalone parcel. A site condition letter from the City will be obtained and provided so buyers have a clear understanding of its current status. There are also three adjoining privately owned lots. While there are no guarantees, a future owner could explore the possibility of assembling multiple parcels or changes ...

Listing Details MLS# 619623

Location, Tax & Legal

Street Name
Avenue M
Key/Island
Marathon
State/Province
FL
Zip Code
33050
County
Monroe
Subdivision
Coco Plum Beach (54.5)
Area
18 - East of Holiday Inn US #1 & Coco Plum
City
MARATHON
Mile Marker
54.5
Marathon Neighborhood
Coco Plum
Senior Community YN
No
Side
Bay/Gulf
Flood Zone
AE
Alternate Key #
1448541
Parcel #
00365730-000000
Zoning
RL - Residential Low
Deed Restrictions
Unknown
Legal
BK 16 LT 11 COCO PLUM BEACH PB4-166 FAT DEER KEY
Taxes
2075.93
Tax Year
2025

Contract Information

Listing Board
Marathon/Lower Keys
Limited Representation
No
As is Rght to Inspct
No
Potential Short Sale
No
Bank Owned
No
Species List
Yes

General Property Description

Realtor.COM Type
Vacant Land
Waterfront
Yes
Control Depth
4
Lot Dimensions
110 X 110
Lot SqFt
12197
Lot Sqft Source
Property Data Card

Miscellaneous Info

Mobile Home Lot
No

Auction Info

Auction
No

More Information

Financial Status

Bank Owned
No
Potential Short Sale
No

Remarks & Misc

Remarks – Consumer
This is a property for someone thinking about the future, not just today. The lot measures 110' x 110' (just over a quarter acre), is cleared, and sits on a 100-foot-wide, boatable canal with quick access to open water. It's directly across from Cocoplum Beach, giving it a quiet, natural setting that's hard to find. You'll notice there are already homes on this street, including next door, and the two streets leading in show a similar pattern -- one side built out, the other still open. These larger parcels create space, privacy, and a peaceful feel tucked away from US-1. As it stands today, the lot does not meet current density requirements to be built on as a standalone parcel. A site condition letter from the City will be obtained and provided so buyers have a clear understanding of its current status. There are also three adjoining privately owned lots. While there are no guarantees, a future owner could explore the possibility of assembling multiple parcels or changes over time that may affect what's allowed. This is best suited for someone who understands the current limitations, doesn't need to build right away, and sees value in holding a unique piece of property for the long term.
Directions
From Overseas Hwy, head south on US-1, turn left onto Coco Plum Drive, continue on Coco Plum Drive, then turn left onto Avenue M

Assoc/Misc Info

Mandatory Home Owners Asc
No
1st Right of Refusal
No

Dockage

None
Yes

Tax Exemptions

None
Yes

Waterfront

Canal Front
Yes

Waterview

Canal View
Yes

Location/Site

Cleared Site
Yes

Property Features

Tax Exemptions: None Waterfront: Canal Front Dockage: None Waterview: Canal View
Listing Office: Coldwell Banker Schmitt Real Estate Co.
Last Updated: April - 30 - 2026
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