10881 7th Avenue Gulf, Marathon, FL 33050 (MLS# 621548)

10881 7th Avenue Gulf, Marathon, FL 33050

New Listing
$1,200,000
Property Type: Residential Bedrooms: 4 Baths: 4 Square Footage: 1,888 Lot Size (sq. ft.): 9,613 Status: Active
Current Price: $1,200,000 List Date: 10/08/2026 Last Modified: 10/08/2026

Overview

Description

Duplex opportunity in the heart of Marathon with two legal addresses: 10881 7th Avenue Gulf and 10883 7th Avenue Gulf. This updated DUPLEX offers excellent flexibility for investors, owner occupants, or those looking to live in one unit and rent the other. The first floor residence features 3 bedrooms, 2.5 baths, a private entrance, its own patio area, separate laundry, and separate electric and water meters. It is currently rented for $3,700/month on a month to month basis, with the tenant open to a one year lease. The second floor unit offers 1 bedroom, 1 bath, its own private staircase and entrance, a dedicated outdoor sitting area, separate laundry, and separate utility meters. The upstairs unit is currently vacant and was most recently rented for $3,000/month, providing demonstrated combined rental potential of approximately $6,700/month or $80,400 annually. The property has been renovated and updated and offers exceptional parking for 5+ vehicles, with ample room for cars, bo ...

Listing Details MLS# 621548

Location, Tax & Legal

Street #
10881
Street Name
7th Avenue Gulf
Key/Island
Marathon
State/Province
FL
Zip Code
33050
County
Monroe
Subdivision
Key Colony Sub (53.0)
Area
15 - Sombrero Bch Rd to Vaca Cut Gulfside

Contract Information

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

General Property Description

Realtor.COM Type
Multi-family
Style
Duplex
Waterfront
No
Pool
No
Year Built
1973
Total Units
2
Lot SqFt
9613
Lot Sqft Source
Property Data Card
Acres
0.22
Living Apx SqFt
1888
SqFt Source
Property Data Card
Total Bedrooms
4
Full Baths
3
Half Baths
Yes
Total Baths
4
Rentals Allowed
With Restrictions
Min Rental Days
7

Association Info

Mandatory Home Owners Asc
No
1st Right of Refusal
No

Building Style

Above Flood
Unknown

More Information

Vehicle Storage

Car(s)
4+

Financial Status

Auction
No
Bank Owned
No
Potential Short Sale
No
Standard Sale
Yes

Property Features

Fee Includes: None Tax Exemptions: None Waterfront: None Waterview: Open Water View Dockage: None Property Condition: Updated/Remodeled Vehicle Storage: Off Street Parking; Trailer Storage Furnished: Unfurnished Cooling: Central Air Utilities: Buyer to Verify; Cable Available; Elect Separate Meter; FKAA; Municipal Sewer; Water Separate Meter Interior Features: Built-in Cabinets; Storage; Walk-in Closet(s) Appliances: Dishwasher; Dryer; Freezer; Microwave; Oven; Range; Refrigerator; Washer Exterior Features: Storage Construction: CBS Floor: Vinyl Pets: Pets Allowed Land Size: Less Than 1/4 Acre Title: Title Ins - Buyer

Documents

Listing Office: Coldwell Banker Schmitt Real Estate Co.
Last Updated: October - 08 - 2026
The data relating to real estate for sale on this web site comes in part from the Florida Keys MLS, Inc. Information provided is deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. The information being provided is for consumers’ personal, non-commeral use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. IDX data is deemed reliable but is not guaranteed accurate by the MLS.
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