Duplex

Conch Key, FL Duplexes for Sale

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Marathon, FL Islamorada, FL Duck Key, FL Key Colony Beach, FL Plantation Key, FL Tavernier, FL Key Largo, FL
Oceanfront Duplex with Private Beach
Updated: Sep 3, 2025
Oceanfront Duplex with Private Beach

65620 Overseas Highway, Long Key, FL 33001

$3,899,000
1,647 sqft 0.62 AC lot
Ocean front Long Key property with 221 feet of private white sand beach and unobstructed Atlantic Ocean views
Operating as a nightly vacation rental; legal duplex setup with 4 bedrooms and 2 bathrooms
Includes two development rights tied to the legal duplex, plus a third development right for an accessory structure
Central HVAC with central air and central heating; metal roof; tile flooring
Interior features include built‑in cabinets and granite countertops
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Based on your search, we've compiled 5 Potential Opportunities for your consideration. Besides 1 Active listings in Conch Key, FL, we suggest exploring several alternatives: 4 properties in Nearby Cities

Opportunities in Nearby Cities

Here are 4 Similar properties we found in Nearby Locations for your consideration.

Waterfront Mixed-Use Development Land
Waterfront Mixed-Use Development Land

13759 Overseas Highway, Marathon, FL 33050

$3,900,000
124,300 sqft

Waterfront uplands with four building rights and bay bottom ownership, highway frontage, and multiple access points.

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CBS Half-Duplex with Canal Dock
CBS Half-Duplex with Canal Dock

427 89Th Street Ocean, Marathon, FL 33050

$675,000
945 sqft 0.07 AC lot

Solid CBS half-duplex with a 35-ft dock on a deep canal offering ocean access and a 2018 metal roof.

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Half-Duplex with Boat Slip
Half-Duplex with Boat Slip

Key Colony Beach, FL 33051

$999,000
1,264 sqft 0.08 AC lot

Half-duplex with screened porch and a 30-foot boat slip offering quick ocean access.

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Turnkey Waterfront Duplex Income Property
Turnkey Waterfront Duplex Income Property

Key Colony Beach, FL 33051

$1,848,000
2,528 sqft 0.16 AC lot

Fully furnished duplex with two private 3BD/2BA units, parking, and 60 ft of deep-water dockage on a wide canal.

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Conch Key, FL Duplexes Market Trends and Statistics

Explore 1 duplexes for sale in Conch Key, FL on our real estate platform. These investment opportunities span a total of 1,647 square feet of properties for sale, with an estimated market value of $3,899,000.

Sale prices for duplexes in Conch Key, FL average $3,899,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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Top Commercial Asset Segments

Commercial property segments ranked by active listings on the market

Short term rental properties 3
Duplexes 1
Triplexes 1

Demographics Overview

Population 11K
Population Growth (5Y) +12.2%
Median Household Income $83,243
College Educated 49.3%

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