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.
For sale
$2,750,000
139 Marina Ave, Key Largo, FL 33037
4beds
2,485sqft
Duplex
Built in 1980
-- sqft lot
$2,551,400 Zestimate®
$1,107/sqft
$25/mo HOA
What's special
Quick ocean accessBrand-new heated saltwater poolTastefully updated kitchenCovered parkingOcean viewsSpacious storage room
- 86 days
- 534
- 27
Zillow last checked:
Listing updated:
Listed by:
Carlos Lorenzo 786-251-4823,
American Caribbean Real Estate, Christie's International Real Estate,
Shelby Morris 305-393-3686,
American Caribbean Real Estate, Christie's International Real Estate
Source: FLKMLS,MLS#: 620392
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 6
- Full bathrooms: 4
- 1/2 bathrooms: 2
Heating
- Has Heating (Unspecified Type)
Cooling
- Central Air
Appliances
- Included: Washer, Dryer, Dishwasher, Refrigerator, Range, Microwave, Disposal, Stainless Steel Appliance(s)
Features
- Built-in Features, Storage, Quartz Countertops
- Flooring: Tile, Vinyl
- Furnished: Yes
Interior area
- Total structure area: 2,485
- Total interior livable area: 2,485 sqft
Property
Parking
- Parking features: Open
- Has uncovered spaces: Yes
Features
- Patio & porch: Open Porch/Balcony
- Exterior features: Chickee Hut, Lighting, Storage
- Has private pool: Yes
- Pool features: In Ground, Salt Water, Concrete
- Has spa: Yes
- Spa features: Heated
- Fencing: Fenced,Privacy
- On waterfront: Yes
Lot
- Size: 9,147 Square Feet
- Dimensions: 75 X 125
Details
- Additional structures: Guest House
- Parcel number: 00452700000000
- Zoning: IS - Improved Subivision District
Construction
Type & style
- Home type: MultiFamily
- Property subtype: Duplex
Materials
- CBS
Condition
- Updated/Remodeled
- New construction: No
- Year built: 1980
Utilities & green energy
- Utilities for property: Water Separate Meter, Elect Separate Meter
Community & HOA
Community
- Features: Community Boat Ramp
- Security: No Security
- Subdivision: Port Largo (100.0)
HOA
- Has HOA: No
- Services included: Common Area Mnt, None
- HOA fee: $300 annually
Location
- Region: Key Largo
Financial & listing details
- Price per square foot: $1,107/sqft
- Tax assessed value: $1,879,793
- Annual tax amount: $14,393
- Date on market: 6/24/2026
- Listing terms: Cash,Conventional
Estimated market value
$2,551,400
$2.42M - $2.68M
$3,690/mo
Price history
| Date | Event | Price |
|---|---|---|
| 6/24/2026 | Listed for sale | $2,750,000+5.8%$1,107/sqft |
Source: | ||
| 4/5/2026 | Listing removed | $2,600,000$1,046/sqft |
Source: | ||
| 1/16/2026 | Price change | $2,600,000-3.5%$1,046/sqft |
Source: | ||
| 11/19/2025 | Listed for sale | $2,695,000+48.9%$1,085/sqft |
Source: | ||
| 3/30/2022 | Sold | $1,810,000-9.5%$728/sqft |
Source: | ||
| 2/8/2022 | Contingent | $1,999,000$804/sqft |
Source: | ||
| 2/1/2022 | Price change | $1,999,000-9.1%$804/sqft |
Source: | ||
| 12/16/2021 | Listed for sale | $2,199,000+119.9%$885/sqft |
Source: | ||
| 8/10/2004 | Sold | $1,000,000+170.3%$402/sqft |
Source: Public Record Report a problem | ||
| 9/7/2000 | Sold | $370,000$149/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $14,394 +4.8% | $1,630,097 +2.9% |
| 2024 | $13,733 +3.4% | $1,584,157 +3% |
| 2023 | $13,278 +77.3% | $1,538,017 +96.9% |
| 2022 | $7,491 +5.9% | $781,152 +4.4% |
| 2021 | $7,076 -3.8% | $748,230 -3.8% |
| 2020 | $7,357 | $777,454 -1.3% |
| 2019 | $7,357 -1.2% | $787,309 +1.5% |
| 2018 | $7,450 -0.3% | $775,796 +0.9% |
| 2017 | $7,473 +3.3% | $768,514 +3.2% |
| 2016 | $7,234 -0.3% | $744,685 +3.2% |
| 2015 | $7,259 | $721,708 |
Find assessor info on the county website
Monthly payment
Est. payment





