Search


$2,750,000
139 Marina Avenue
Key Largo, FL 33037
MLS# 620392
4 beds  |  6 baths  |  2485 sqft


139 Marina Ave
  1 / 110  
139 Marina Ave Welcome to paradise! 80 Ft Wide Canal Boat lift 139 Marina Ave 139 Marina Ave Tiki Welcome home Front of the home Front of the home DSC07549 DSC07539 DJI_20260625123723_0658_Dcopy Living area 1st Kitchen Totally updated Totally updated Totally updated Living area downstairs 1/2 bath stairs Upstairs !st bedroom DSC03483 DSC03486 Totally updated Totally updated Upstairs Master Bedroom Balcony Totally updated 2nd bedroom 2nd bedroom 2nd bedroom 2nd full bath Totally updated Laundry Outdoor patio Outdoor patio Front door to 2nd side Totally updated 2nd kitchen 2nd living space 2nd living room 2nd living room 2nd living room 2nd living room 1/2 bath Living space Upstairs Upstairs Bedroom Bedroom DSC03577 DSC03572 DSC03537 Guest bedroom Tastefully updated Laundry Outdoor patio with ocean views Storage Storage Exterior Front of the home 139 Marina Ave New pool with heater Outdoor living Boat lift New pool with heater Front of the home Aerial view Port Largo 139 Marina Ave44_0483_D Front of the home 139 Marina Ave Front Front Dock 139 Marina Ave 139 Marina Ave 139 Marina Ave DSC07629 DSC07639 DSC07674 DSC07677 DSC07684 DSC07689 DSC07694 DSC07699 DSC07704 DSC07709 DSC07727 DJI_20260625114226_0548_D DJI_20260625114226_0548_Dcopy DJI_20260625114938_0593_D DJI_20260625114938_0593_Dcopy DJI_20260625115144_0603_D DJI_20260625115216_0608_D DJI_20260625123849_0668_D DJI_20260625123922_0673_D DJI_20260625123953_0678_D DJI_20260625124044_0683_D DJI_20260625124124_0688_D DJI_20260625124124_0688_Dcopy DJI_20260625115258_0613_D DJI_20260625123317_0628_D DJI_20260625123350_0633_D DJI_20260625123634_0653_D DJI_20260625123634_0653_Dcopy DJI_20260625123723_0658_D DJI_20260625123818_0663_D
Open House (06/28/2026 - 12:00 pm - 3:00 pm)

Property Description
Resort-style living just got better! Turnkey waterfront living in prestigious Port Largo. This rare turnkey property offers a legally permitted duplex with ocean views, exceptional flexibility, and strong income potential in one of Key Largo's most desirable waterfront communities. The residence features two side-by-side townhomes, each with 2 bedrooms and 2.5 bathrooms, for a total of 4 bedrooms, 4 full baths, and 2 half baths. Every bedroom includes a private en-suite bath, providing comfort and privacy for owners and guests. Situated on 75 feet of waterfront, the property boasts a brand-new heated saltwater pool, concrete dock, and 20,000-pound Neptune boat lift. The wide, 80-foot deep-water canal offers quick ocean access, placing you on the first channel to the Atlantic with ocean views and easy access to world-class fishing, diving, and boating. Built entirely of concrete and fully renovated, this home combines durability with modern coastal style. Tastefully updated kitchen, flooring, baths, and more, this home was thoughtfully designed. Located on sought-after Marina Avenue, just steps from the private Port Largo homeowners' park, you'll enjoy beautiful sunrise views from the balconies and the privacy of a nature preserve directly across the street. The ground level includes a spacious storage room, covered parking, and a spacious tiki hut perfect for outdoor living and entertaining. Additional features include all impact windows and doors, an electric gated entrance on both sides, separate electric and water meters for each unit, and furnishings and décor included. Ideal as an investment property, family compound, or waterfront retreat, this unique Port Largo opportunity delivers the best of the Florida Keys lifestyle. Call today. Owner/Agent.

Details
Maps
Contract Information
Listing Board: Florida Keys
Current Price: $2,750,000
Listing Date: 2026-06-24
List Price: $2,750,000
Location, Tax & Legal
City: KEY LARGO
Mile Marker: 100
Marathon Neighborhood: N/A
Side: Ocean
Flood Zone: AE
Alternate Key #: 1552356
Parcel #: 00452700000000
Zoning: IS - Improved Subivision District
Deed Restrictions: No
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
Taxes: 14393.71
Tax Year: 2025
Pub Sewer HkUp: Yes
Street #: 139
Street Name: Marina
Street Suffix: Avenue
Key/Island: Key Largo
State/Province: FL
Zip Code: 33037
County: Monroe
Subdivision: Port Largo (100.0)
Area: 27 - Key Largo MM 97-107
General Property Description
Realtor.COM Type: Residential - Single Family
Waterfront: Yes
Control Depth: 4
Lot Size: 75 X 125
Lot SqFt: 9375
Pool: Yes
Lot Sqft Source: Tax Records
Total Units: 0
Acres: 0.21
SqFt Source: Tax Records
Rentals Allowed: Yes
Min Rental Days: 28
Style: Duplex
Year Built: 1980
Living Apx SqFt: 2485
Total Bedrooms: 4
Full Baths: 4
Half Baths: 2
Total Baths: 6
Remarks & Misc
Remarks – Consumer: Resort-style living just got better! Turnkey waterfront living in prestigious Port Largo. This rare turnkey property offers a legally permitted duplex with ocean views, exceptional flexibility, and strong income potential in one of Key Largo's most desirable waterfront communities. The residence features two side-by-side townhomes, each with 2 bedrooms and 2.5 bathrooms, for a total of 4 bedrooms, 4 full baths, and 2 half baths. Every bedroom includes a private en-suite bath, providing comfort and privacy for owners and guests. Situated on 75 feet of waterfront, the property boasts a brand-new heated saltwater pool, concrete dock, and 20,000-pound Neptune boat lift. The wide, 80-foot deep-water canal offers quick ocean access, placing you on the first channel to the Atlantic with ocean views and easy access to world-class fishing, diving, and boating. Built entirely of concrete and fully renovated, this home combines durability with modern coastal style. Tastefully updated kitchen, flooring, baths, and more, this home was thoughtfully designed. Located on sought-after Marina Avenue, just steps from the private Port Largo homeowners' park, you'll enjoy beautiful sunrise views from the balconies and the privacy of a nature preserve directly across the street. The ground level includes a spacious storage room, covered parking, and a spacious tiki hut perfect for outdoor living and entertaining. Additional features include all impact windows and doors, an electric gated entrance on both sides, separate electric and water meters for each unit, and furnishings and décor included. Ideal as an investment property, family compound, or waterfront retreat, this unique Port Largo opportunity delivers the best of the Florida Keys lifestyle. Call today. Owner/Agent.
Directions: MM 100- Oceanside. Home is on the left- hand side of Marina Ave.
Association Info
Mandatory Home Owners Asc: No
Voluntary Home Owners Asc: Yes
1st Right of Refusal: No
Association Fee $: 300
Assoc/Mnt Fee Per: Yearly
Fee Includes
Common Area Mnt: 1
None: 1
Dockage
Dock Length: 75
Dock: Concrete
Davits: 1
Seawall: Concrete
Tax Exemptions
Homestead: 1
Appliances
Dishwasher: 1
Disposal: 1
Dryer: 1
Microwave: 1
Range: 1
Refrigerator: 1
Stainless Steel Appliance(s): 1
Washer: 1
Pets
Pets Allowed: 1
Cooling
Central Air: 1
Heating
Central: 1
Waterfront
Canal Front: 1
Waterview
Canal View: 1
Ocean View: 1
Floor
Tile: 1
Vinyl: 1
Neighborhood Feature
Community Boat Ramp: 1
Interior Features
Brazilian Quartzite Countertops: 1
Built-in Cabinets: 1
Drapes/Blinds Incl: 1
Quartz Countertops: 1
Smoke Alarms: 1
Storage: 1
Property Condition
Updated/Remodeled: 1
Specialty Rooms
Guest/Servant Qtrs: Legal
Utility Room: 1
Building Style
Above Flood: Yes
Stories: 3 Stories
Windows/Doors
Impact Rstnce Doors: 1
Vehicle Storage
Covered Parking: 1
Open Parking: 1
Security
No Security: 1
Construction
CBS: 1
Land Size
Less Than 1/4 Acre: 1
Furnished
Furnished: 1
Negotiable: 1
Terms
Cash: 1
Conventional: 1
Utilities
Elect Separate Meter: 1
FKAA: 1
Municipal Sewer: 1
Water Separate Meter: 1
Porch/Balcony
Open Porch/Balcony: 1
Title
Title Ins - Buyer: 1
Exterior Features
Chickee Hut: 1
Detached Guest Qtrs: 1
Fencing: 1
Hot Tub: 1
Lighting: 1
Privacy Wall/Fence: 1
Storage: 1
Pool Info
In Ground: 1
Salt Water: 1
Heated: Yes
Concrete: 1
Roof
Concrete Roof: 1
Status Change Info
Status: Active
Property Features
Fee Includes: Common Area Mnt; None
Tax Exemptions: Homestead
Waterfront: Canal Front
Waterview: Canal View; Ocean View
Dockage: Davits
Property Condition: Updated/Remodeled
Vehicle Storage: Covered Parking; Open Parking
Furnished: Furnished; Negotiable
Cooling: Central Air
Heating: Central
Utilities: Elect Separate Meter; FKAA; Municipal Sewer; Water Separate Meter
Interior Features: Brazilian Quartzite Countertops; Built-in Cabinets; Drapes/Blinds Incl; Quartz Countertops; Smoke Alarms; Storage
Specialty Rooms: Utility Room
Appliances: Dishwasher; Disposal; Dryer; Microwave; Range; Refrigerator; Stainless Steel Appliance(s); Washer
Exterior Features: Chickee Hut; Detached Guest Qtrs; Fencing; Hot Tub; Lighting; Privacy Wall/Fence; Storage
Pool Info: In Ground; Salt Water; Concrete
Construction: CBS
Floor: Tile; Vinyl
Roof: Concrete Roof
Pets: Pets Allowed
Neighborhood Feature: Community Boat Ramp
Security: No Security
Land Size: Less Than 1/4 Acre
Terms: Cash; Conventional
Title: Title Ins - Buyer

Listing Office: American Caribbean Real Estate, Christie's International Real Estate

Last Updated: June - 28 - 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.