139 Marina Ave

2,485 Sq. Ft.
$1,046 / Sq. Ft.
2,485
Sq. Ft.
$1,046
per Sq. Ft.

Description

Discover this unique and versatile canal front property in Port Largo, featuring a remarkable legal duplex with breathtaking ocean views. Each side-by-side townhome includes 2 bedrooms and 2.5 bathrooms, with all bedrooms thoughtfully designed as en-suites for ultimate privacy and comfort. With 75 feet of water-frontage, the property includes a concrete dock equipped with a 20,000 lbs Neptune boat lift. The wide 80 ft deep-water canal provides direct ocean access, allowing you to be first to the...Discover this unique and versatile canal front property in Port Largo, featuring a remarkable legal duplex with breathtaking ocean views. Each side-by-side townhome includes 2 bedrooms and 2.5 bathrooms, with all bedrooms thoughtfully designed as en-suites for ultimate privacy and comfort. With 75 feet of water-frontage, the property includes a concrete dock equipped with a 20,000 lbs Neptune boat lift. The wide 80 ft deep-water canal provides direct ocean access, allowing you to be first to the fishing grounds, as you're located on the first channel leading to the world-famous Key Largo waters ideal for boating, fishing, and diving. This concrete fortress has been completely renovated and is located on Marina Ave, just a few homes away from the homeowner's park, allowing you to enjoy daily sunrises from your balconies. Positioned across from a nature preserve, this home ensures tranquility with no front neighbors. Downstairs, you'll find a spacious 760 sq ft storage area and a comfortable Tiki Hut, perfect for outdoor relaxation. Plans for a concrete swimming pool were previously approved. An electric gated entry enhances security, and covered parking adds convenience. Each side has its own separate electric and water meters. Furniture negotiable. This property boasts excellent rental potential and is also perfect for two families looking to share a second home. Owner/Agent.
  1. Listed by Carlos Lorenzo • American Caribbean Real Estate, Christie's International Real Estate

Property Details for 139 Marina Avenue

Waterfront
Canal Front
Waterfront
Yes
Zoning
R2 - Residential Duplex
Subdivision
Port Largo (100.0)
Vehicle Storage
Open Parking, Covered Parking
Pets
Pets Allowed
LISTING UPDATED: 01/23/2026 05:29 AM

Property Details for 139 Marina Avenue

StatusActive
MLS #617374
Days on Market82
Taxes$13,733 / year
HOA Fees$300 / year
Condo/Co-op Fees-
Compass TypeMulti Family
MLS TypeResidential / Duplex
Year Built1980
Lot Size0.22 AC / 9,375 SF
CountyMonroe County

Location

Listing Courtesy of American Caribbean Real Estate, Christie's International Real Estate
Add your commute

Building Information for 139 Marina Avenue

Stories3Residences-Year Built1980Building Size-Lot Size0.22 AC / 9,375 SF

Payment Calculator

$13,841 per month

30 year fixed, 6.15% Interest

Principal and Interest

$12,672

Property Taxes

$1,144

HOA Dues

$25

The Payment Calculator is for illustrative purposes only.

Property Information for 139 Marina Avenue

Summary
Location and General Information
  • Waterview: Ocean View, Canal View
  • Area: 27 - Key Largo MM 97-107
  • Absolute Longitude: 80.433859
  • Control Depth: 4
  • Listing Board: Florida Keys
  • Side: Ocean
  • Mile Marker: 100.0
  • Marathon Neighborhood: N/A
  • Neighborhood Feature: Community Boat Ramp
  • Key/Island: Key Largo
Taxes and HOA Information
  • Association Info: Mandatory Home Owners Asc: No
  • Association Info: Voluntary Home Owners Asc: Yes
  • Association Info: 1st Right of Refusal: No
  • Fee Includes: None
  • Furnished: Negotiable
  • Tax Year: 2024
  • Tax Exemptions: Homestead
Property
Lot Information
  • Lot Size: 75 x 125
  • Acres: 0.22
  • SqFt Remarks: Additional Downstairs storage 760 Sq Ft
  • Parcel #: 00452700-000000
  • Land Size: Less Than 1/4 Acre
Property and Assessments
  • Legal: LT 139 PORT LARGO-KEY LARGO PB5-3 OR558-557 OR560-1023 OR795-373 OR825-1828 OR995-248 OR1454-234 OR1598-90 OR1651-2119 O
  • MLS Approved: Y
  • SqFt Source: Tax Records
  • Flood Zone: AE
  • Rentals Allowed: Yes
  • Deed Restrictions: No
  • Picture Count: 83
  • Document Count: 0
  • Building Style: Above Flood: Yes
  • Security: No Security
  • Title: Title Ins - Buyer
Utilities
  • Utilities: FKAA, Elect Separate Meter, Water Separate Meter, Municipal Sewer
  • Pub Sewer HkUp: Yes
  • Pool: No
  • Porch/Balcony: Open Porch/Balcony
Interior and Exterior Features
Interior Features
  • Floor: Tile, Vinyl
  • Interior Features: Smoke Alarms, Brazilian Quartzite Countertops, Quartz Countertops, Storage
  • Appliances: Washer, Disposal, Microwave, Range, Refrigerator, Dishwasher, Dryer
Exterior Features
  • Roof: Concrete Roof
  • Dockage: Dock Length: 75
  • Dockage: Dock: Concrete
  • Dockage: Seawall: Concrete
  • Construction: CBS
  • Dockage: Davits
  • Exterior Features: Chickee Hut, Storage, Privacy Wall/Fence, Lighting, Hot Tub
  • Windows/Doors: Impact Rstnce Doors

Property History for 139 Marina Avenue

DateEvent & SourcePriceAppreciation
Nov 20, 2025

Price Change

MiamiRE #A11914692

$2,600,000
Nov 20, 2025

Listed (Active)

MiamiRE #A11914692

$2,695,000
Nov 19, 2025

Price Change

FKMLS #617374

$2,695,000
Nov 19, 2025

Listed (Active)

FKMLS #617374

$2,600,000
Mar 30, 2022

Sold

MiamiRE #A11141223

$1,810,000
Mar 30, 2022

Sold

FKMLS #598857

$1,810,000
Mar 30, 2022

Temp Off Market

FKMLS #598856

Mar 22, 2022

Sold (Public Record)

Public Record #1487604745

$1,810,000

+3.4% / yr

Feb 15, 2022

Pending

FKMLS #598857

Feb 8, 2022

Backup Contract

FKMLS #598857

Feb 8, 2022

Backup Contract

FKMLS #598856

Feb 5, 2022

Pending

MiamiRE #A11141223

Feb 5, 2022

Backup Contract

MiamiRE #A11141223

Feb 1, 2022

Price Change

MiamiRE #A11141223

$1,999,000
Dec 16, 2021

Price Change

FKMLS #598857

$2,199,000
Dec 16, 2021

Price Change

FKMLS #598856

$2,199,000
Dec 16, 2021

Listed (Active)

MiamiRE #A11141223

$2,199,000
Dec 16, 2021

Listed (Active)

FKMLS #598856

$1,999,000
Dec 16, 2021

Listed (Active)

FKMLS #598857

$1,999,000
Aug 10, 2004

Sold (Public Record)

Public Record #142764744

$1,000,000
Aug 31, 2000

Sold

FKMLS #502612

$370,000
Jul 25, 2000

Pending

FKMLS #502612

May 22, 2000

Listed (Active)

FKMLS #502612

$395,000
DateEvent & SourcePrice
11/20/2025

Price Change

MiamiRE #A11914692

$2,600,000
11/20/2025

Listed (Active)

MiamiRE #A11914692

$2,695,000
11/19/2025

Price Change

FKMLS #617374

$2,695,000
11/19/2025

Listed (Active)

FKMLS #617374

$2,600,000
03/30/2022

Sold

MiamiRE #A11141223

$1,810,000
03/30/2022

Sold

FKMLS #598857

$1,810,000
03/30/2022

Temp Off Market

FKMLS #598856

03/22/2022

Sold (Public Record)

Public Record #1487604745

$1,810,000

+3.4% / yr

02/15/2022

Pending

FKMLS #598857

02/08/2022

Backup Contract

FKMLS #598857

02/08/2022

Backup Contract

FKMLS #598856

02/05/2022

Pending

MiamiRE #A11141223

02/05/2022

Backup Contract

MiamiRE #A11141223

02/01/2022

Price Change

MiamiRE #A11141223

$1,999,000
12/16/2021

Price Change

FKMLS #598857

$2,199,000
12/16/2021

Price Change

FKMLS #598856

$2,199,000
12/16/2021

Listed (Active)

MiamiRE #A11141223

$2,199,000
12/16/2021

Listed (Active)

FKMLS #598856

$1,999,000
12/16/2021

Listed (Active)

FKMLS #598857

$1,999,000
08/10/2004

Sold (Public Record)

Public Record #142764744

$1,000,000
08/31/2000

Sold

FKMLS #502612

$370,000
07/25/2000

Pending

FKMLS #502612

05/22/2000

Listed (Active)

FKMLS #502612

$395,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Public Records for 139 Marina Avenue

Taxable ValueLand-Additions-Total-
Tax Record2024$13,733 ($1,144 / month)
Home Facts
Baths2Total Finished SqFt2,485 SqFtAbove Grade Finished SqFt2,485 SqFtStories3Lot Size9,375 SqFtStyleMulti-Family Dwelling (2-4)Year Built1980Year Renovated2018CountyMONROEAPN00452700-000000

Schools near 139 Marina Avenue

This home is within Monroe.
Rating
School
Type
Grades
Distance
Public - PK to 8
Public - 9 to 12
Charter - K to 8
Public - 6 to 12
Rating
School
Distance
Key Largo School
PublicPK to 8

Coral Shores High School
Public9 to 12

Ocean Studies Charter
CharterK to 8

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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139 Marina Avenue is a multi-family home for sale in Key Largo, FL 33037. This property was listed for sale on November 19, 2025 by American Caribbean Real Estate, Christie's International Real Estate, it's currently listed at $2,600,000. It has been on the market for a total of 82 days and was last sold on March 30, 2022. This listing's school district is Monroe. Nearby schools include Key Largo School, Coral Shores High School and Ocean Studies Charter. 139 Marina Avenue is a 4-bed, 6-bath, 2,485 sqft multi-family home built in 1980.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity. Subject to change at any time. Compass makes no guarantee, warranty or representation regarding the accuracy of any waterfront feature, water view or waterfront view.

Listing Courtesy of American Caribbean Real Estate, Christie's International Real Estate

Based on information from one of the following Multiple Listing Services: Beaches Multiple Listing Service, Inc., Martin County REALTORS® of the Treasure Coast, Inc., Miami Association of REALTORS®. Information being provided is for the visitor’s personal, noncommercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. The data contained herein is copyrighted by Beaches Multiple Listing Service, Inc., Martin County REALTORS® of the Treasure Coast, Inc., Miami Association of REALTORS® is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited. Property information referenced on this web site comes from the Internet Data Exchange (IDX) program of the MLS. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. For the avoidance of doubt, the accuracy of all information, regardless of source, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals.