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Exclusive 4-Acre Private Island in Miami’s Biscayne Bay

Bird Key offers a rare 4+ acre residential island just off Miami’s coast, perfect for unique development or conservation.

$31,500,000

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MLS #A11576936

Listing Updated: 2026-07-12 00:33:58

Listed By: Compass Florida, LLC

Overview

Located in the pristine waters of Biscayne Bay, Bird Key is a rare privately owned residential island spanning over 4 acres. Just 500 yards offshore from the 79th Street Causeway, this untouched gem provides stunning skyline views and unparalleled privacy. Zoned residential, it represents a unique opportunity for visionary development or environmental conservation. Surrounded by 33 acres of submerged land, this exclusive parcel offers seclusion while being close to vibrant Miami living. Whether for creating an ultra-private estate or preserving nature, Bird Key stands out as a remarkable piece of Miami real estate.

Property Highlights

4+ acre private residential island, rare Miami location, residential zoning, close to the 79th Street Causeway, spectacular skyline views, surrounded by protected waters, off-market potential for development or preservation.

Property Details

City: Miami

State: FL

Zip Code: 33138

Address: 1 BIRD KEY, Miami FL 33138

Year Built:

Property Type: Land/Boat Docks

Property Sub Type: Residential

Listing Office Name: Compass Florida, LLC

County: Miami-Dade County

Garage Spaces:

Parking Features:

Interior Features:

Exterior Features:

Waterfront: Yes

Pool: No

HOA Fee: $0

Annual Tax: $749

Days On Market: 771 Days

Original Listing Description

Presenting Bird Key, an uninhabited 4+/- acre island in Biscayne Bay. The ONLY privately owned island, zoned RESIDENTIAL with sights of Miami’s skyline, amid the clear beautiful, blue waters of the Bay - with no traffic or people- is for sale! Bird Key sits just 500 yards offshore, south of the 79th Street Causeway, a 37.5 acre residential opportunity with 4+/- acres of land surrounded by 33+/- acres of submerged land in sparkling blue water. Only four owners have been able to claim ownership to this gem. It is a golden opportunity for a developer to acquire and use for environmental mitigation, or one could acquire it to donate it to the public as an environmental treasure, or finally a very lucky individual may create Miami’s most exclusive address, because this gem is zoned residential.

Property Location

Explore the surrounding area, nearby amenities, and neighborhood access for this property.

1 BIRD KEY, Miami FL 33138

About This Neighborhood

Situated just off the 79th Street Causeway, Bird Key nestles in a serene section of Biscayne Bay, offering peaceful waterfront living with easy access to central Miami. The surrounding neighborhoods provide a blend of lifestyle options, from vibrant urban settings to tranquil natural preserves. Close enough to Miami’s bustling districts yet distanced from traffic and crowds, this island provides a unique blend of privacy and connectivity. It’s a rare enclave for those who value nature, seclusion, and views of the city skyline without sacrificing convenience to major city centers.

Walkability & Lifestyle

Bird Key’s island setting naturally limits walkability, but it offers unmatched waterfront serenity just minutes from Miami’s vibrant mainland neighborhoods. Nearby areas along Biscayne Bay feature marinas, parks, and dining options that blend urban convenience with outdoor lifestyle. Residents can enjoy boating, waterfront parks, and easy access to shopping and restaurants within a short drive. This location invites a lifestyle focused on nature, water recreation, and city exploration—all within close reach though requiring transport options to reach nearby walkable precincts.

Things To Do Nearby

Bird Key is perfectly positioned near a variety of outdoor and cultural activities. Residents can explore boating and water sports on Biscayne Bay, visit nearby marinas, or enjoy scenic parklands along the 79th Street Causeway. Miami’s vibrant entertainment scene, including trendy restaurants, nightlife, and cultural attractions, is only a short drive away. Golf courses and nature preserves within the region add leisure options for quiet weekends or active days. This area combines seamless access to Miami’s dynamic energy with a relaxed waterfront lifestyle.

Nearby Schools

While Bird Key itself is uninhabited, its proximity to Miami means residents would have access to the city’s range of educational institutions. Families seeking to develop the island or nearby zones can benefit from established school districts throughout Miami-Dade County. Convenient routes from the mainland allow for reasonable travel times to numerous public and private schools, offering quality educational options. This accessibility complements the island’s appeal to those interested in balanced living that includes family-friendly amenities close by.

Why Buyers Like This Area

Buyers are drawn to Bird Key for its unmatched privacy and exclusivity within Miami’s highly sought-after waterfront market. Its rare status as a residentially zoned island, coupled with stunning views of the city skyline, offers a distinctive canvas for custom development or conservation. The tranquility of island living, removed from traffic and crowds yet close to urban amenities, creates an appealing balance for those desiring a unique Miami lifestyle. Exclusivity, location, and scale make Bird Key a compelling option for visionary buyers.

Investment Potential

Bird Key’s unique position as the only residentially zoned private island in Biscayne Bay makes it a distinctive asset in Miami’s real estate landscape. It offers potential for thoughtful development aligned with preservation or creating an exceptional private retreat. While its scale and location appeal primarily to niche buyers, its adjacency to protected waters and proximity to Miami’s urban amenities enhances its long-term appeal. The exclusivity and rarity contribute to its notable standing, inviting buyers interested in one-of-a-kind waterfront properties. Careful consideration is essential for anyone evaluating the best use of this remarkable lot.

Market Trends

Miami’s waterfront properties continue to attract interest for their exclusivity and lifestyle appeal. While typical mainland residential markets see steady activity, specialized assets like private islands remain rare and typically appreciate due to scarcity. Buyers increasingly seek unique parcels that offer privacy combined with proximity to urban hubs. Bird Key fits within this trend as a prime example of limited availability waterfront land zoned for residential use in a major metropolitan area. The market continues to value such singular opportunities, reflecting growing demand for distinctive coastal properties.

Rental Income Potential

Given Bird Key’s uninhabited status and unique nature as a private island, rental income potential would depend heavily on future development plans and regulatory approvals. Its exceptional location near Miami’s booming visitor destinations adds seasonal appeal if developed as a distinctive rental property, boutique retreat, or exclusive residence offering vacation rentals. The natural seclusion and waterfront amenities could attract high-end tenants drawn to privacy and scenic surroundings. However, any rental use would require careful planning aligned with local zoning and environmental considerations.