$2,600,000
139 Marina Ave
Key Largo, FL, 33037
Discover this unique and versatile 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 waterfrontage, concrete dock with 20K lbs boat lift. The wide 80 ft deep-water canal provides direct ocean access to the world-famous Key Largo waters ideal for boating, fishing, and diving. Downstairs, you’ll find a spacious 760 sq ft storage and a Tiki Hut, perfect for outdoor relaxation. 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.
Property Details
Price:
$2,600,000
MLS #:
A11914692
Status:
Active
Beds:
0
Baths:
0
Type:
Multi Family
Subtype:
Duplex
Subdivision:
PORT LARGO
Neighborhood:
portlargo
Listed Date:
Nov 20, 2025
Finished Sq Ft:
2,485
Total Sq Ft:
5,012
Year Built:
1980
Units:
2
Schools
Interior
Cooling
Central Air
Flooring
Tile, Vinyl
Heating
Central
Exterior
Architectural Style
Attached
Construction Materials
CBS Construction
Exterior Features
Balcony, Exterior Lights
Parking Spots
2
Roof
Concrete
Financial
HOA Fee
$300
HOA Frequency
Annually
Tax Year
2024
Taxes
$13,733
Mortgage Calculator
Map
Current real estate data for Multi Family in Key Largo as of Mar 21, 2026
1
Multi Family Listed
121
Avg DOM
1,046
Avg $ / SqFt
$2,600,000
Avg List Price
Community
- Address139 Marina Ave Key Largo FL
- SubdivisionPORT LARGO
- CityKey Largo
- CountyMonroe County
- Zip Code33037
Subdivisions in Key Largo
- AMENDED & EXTENDED PLAT O
- AMENDED & EXTENDED PLAT O,The Oasis
- ANGLERS PARK
- BAHIA MAR ESTS
- Bay Haven
- BAY HAVEN SEC 1
- BAY HAVEN SEC 2
- BERMUDA SHORES
- BERMUDA SHORES AMD
- BLUE WATERS TR VILLAGE SE
- BOWENS ADD RIVIERA VILLAG
- BUCCANEER PT
- BUCCANEER PT LARGO SOUND
- BUTTONWOOD BAY CLUB CONDO
- BUTTONWOOD SHORES ADD
- CALUSA CAMPGROUND
- CALUSA CAMPGROUND,Calusa Campground
- CORAL COAST
- CROSS KEY WATERWAYS EST S
- DOVE CREEK ESTATES
- HAMMER POINT PARK
- HARBOR COURSE SOUTH SEC 1,Ocean Reef Club
- Harbor Shores
- HARBORAGE, THE
- HARRIS OCEAN PARK ESTATES
- HARRIS OCEAN PARK ESTS
- Holiday by the Sea
- HOLIDAY HOMESITES
- Island of Key Largo Point
- KAWAMA TOWER
- KEY LARGO BEACH
- KEY LARGO BEACH ADD
- Key Largo Kampground
- Key Largo Mob Homesites,Key Largo Mob Homesi
- KEY LARGO NORTH
- KEY LARGO OCEAN RESORT CO
- KEY LARGO OCEAN RESORT CO,Key Largo Ocean Reso
- KEY LARGO OCEAN RESORT CON
- KEY LARGO OCEAN RESORT,KEY LARGO OCEAN RESO
- KEY LARGO OCEAN SHORES AD
- KEY LARGO PARK AMD
- KEY LARGO TRAILER VILLAGE
- KEY LARGO YACHT CLUB
- KLAC
- Lake Surprise
- LAKE SURPRISE ESTATES
- LAKE SURPRISE ESTATES,LAKE SURRISE ESTATES
- LANDINGS OF LARGO
- LANDINGS OF LARGO II
- LARGO BEACH
- LARGO GARDENS
- Largo Sound Park
- LARGO SOUND VILLAGE
- LIME GROVE ESTATE SEC 1
- LIME GROVE ESTATES PROPER
- MANATEE BAY CLUB
- MONROE PARK
- Moon Bay
- OCEAN ISLE ESTATE
- Ocean Reef
- Ocean Reef Club
- OCEAN REEF SHORES
- PAMELA VILLA
- PARADISE POINT
- PARADISE POINT COVE
- PIRATES COVE
- PIRATES COVE 1ST ADD
- PORT LARGO
- PORT LARGO 3RD ADD
- PUMPKIN CAY O.R. #7 2ND RE
- Riviera Village
- RIVIERA VILLAGE REV & AMD
- Rock Harbor Est
- ROCK HARBOR ESTATE
- Rock Harbor Manor
- ROCK HARBOR YACHT HAVEN
- SANCTUARY AT KEY LARGO 3
- SEASIDE RESUBD
- SEXTON COVES ESTATES
- SHERRILL PARK REV
- SILVER SHORES MOBILE HOMES
- SOUTH CREEK VILLAGE
- STILLWRIGHT POINT NO 2
- STILLWRIGHT POINT NO 2,STILLWRIGHT POINT NO
- SUNRISE POINT ADD AMD
- SUNRISE POINT REV
- Sunset Acres
- SUNSET WATERWAYS
- SUNSHINE ESTATES SEC #1
- TAMARIND BAY CLUB CONDOMI
- TARPON ACRES
- THE DOLPHIN AT MARINERS C
- THE DOLPHIN AT MARINERS C,Mariners Club
- THE SAILFISH AT MARINERS
- TWIN LAKES
- WINSTON WATER WAYS AMD
- WINSTON WATERWAYS NO 2
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Property Summary
- Located in the PORT LARGO subdivision, 139 Marina Ave Key Largo FL is a Multi Family for sale in Key Largo, FL, 33037. It is listed for $2,600,000

139 Marina Ave
Key Largo, FL

















































































