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Oceanfront Duplex with Development Rights

65620 Overseas Highway Long Key, FL 33001

65620 Overseas Highway, Long Key, FL, 33001
$3,899,000
For Sale
Claim this Listing
$3,899,000

MULTI_FAMILY - Long Key, FL

Property Size1,647 SF
Lot Size0.62 Acres
Price / SF$2,367
AddedSep 3, 2025
Days on Market317
Last RefreshJul 16 at 3:06 am

Property Features for 65620 Overseas Highway

General Information

Property type
Residential Multi Family
Property subtype
Other
Zoning
ISD - Improved Sup Duplex
Bedrooms
4
Bathrooms
2
Rooms
Bedroom 2, Bedroom 4, Bathroom 2, Bedroom 3, Bedroom 1, Bathroom 1
Security features
Security
Patio and Porch features
Porch, Deck, Patio
Pets allowed
Yes
Interior features
Built-in Cabinets, Granite Counter Top
Exterior features
Chickee Hut, Sandy Beach, Shed
Appliances
Washer, Dryer, Dishwasher, Refrigerator, Oven, Microwave
Standard status
Active
Size
1,647 SF
Lot size
0.62 Acres

Taxes and HOA fees

Tax Year
2024
Tax Description
PT LT 2 LONG KEY OCEAN BAY COLONY PB3-130 SEC 1 LONG KEY
Tax Annual Amount
9883

Utilities

Utilities
Cable Available
Heating system
Central
Cooling system
Central Air
Water front features
Ocean Front
Water front
1

Building Details

Year built
1972
Floors in Building
1
Flooring type
Tile
Building materials
Frame, Combo Construction
Roof type
Metal

Listing agent Walters Luxury Group Gloria, Rachel and Michaela Walters License #662034_1

Listing office Ocean Sotheby's International Realty 81888 Overseas Hwy, Islamorada, FL

Listing date Sep 3, 2025

MLS# 616369 Listing URL

Copyright © 2026 Florida Keys Board of REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.


Investment Insights

Based on property information with market context.

Located on the southern tip of Long Key, this oceanfront legal duplex is currently operating as a nightly vacation rental. The existing structure includes four bedrooms and two bathrooms and is positioned for unobstructed Atlantic Ocean views. The property includes private beachfront with sunrise and sunset exposure, along with shallow offshore waters described as suitable for kayaking, paddleboarding, snorkeling, and fishing.

Zoned ISD - Improved Sup Duplex, the offering also includes two development rights associated with the legal duplex and a third development right for an accessory structure, providing flexibility for future enhancements or redevelopment subject to applicable approvals. The site is described as being between Islamorada and Marathon and provides convenient access to marinas, restaurants, shopping, and airports while maintaining a noted level of privacy.

With 0.62 acres and approximately 1,647 square feet of property size, the asset is offered as an income-producing waterfront opportunity, with the option to continue operating the vacation rental, renovate the existing improvements, or pursue redevelopment possibilities supported by the included development rights.

Key Highlights

  • 221 ft of private white sand ocean frontage with unobstructed Atlantic Ocean views
  • Currently operating as a nightly vacation rental; legal duplex with 4 bedrooms and 2 bathrooms
  • Two development rights tied to the legal duplex plus a third development right for an accessory structure

Property Analytics

Property Profile Location Intelligence

Current Use by Public Records

Duplexes

FAQs

What type of property is this?
Duplex - Legal four-bedroom, two-bath duplex on private beachfront, operating as a nightly vacation rental with transient rental zoning.
Where is this duplex located?
The property is located at 65620 Overseas Highway Long Key, FL.
What is the asking price?
The asking price for this property is $3,899,000.
What are key features of this property?
This property features: 221 ft of private white sand ocean frontage with unobstructed Atlantic Ocean views; Currently operating as a nightly vacation rental; legal duplex with 4 bedrooms and 2 bathrooms; Two development rights tied to the legal duplex plus a third development right for an accessory structure
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