Discover East Sister Rock: The Ultimate Private Island Retreat in the Florida Keys

A Gem in the Florida Keys

Nestled just off the coast of Marathon, East Sister Rock Island presents a rare opportunity for discerning buyers seeking a slice of paradise. This private island, with a price tag of $16 million, offers a unique blend of luxury and sustainability, set against the backdrop of vibrant turquoise waters.

Unparalleled Island Living

Spanning approximately 6.5 acres, including 5.8 acres of exclusive surrounding seabed, East Sister Rock is an aquatic playground that invites exploration. Whether it’s snorkeling through crystal-clear waters, kayaking along the coastline, or simply basking in the sun, this island retreat caters to every aquatic desire.

Elegance and Comfort

At the heart of this exquisite island is a thoughtfully designed main residence featuring three bedrooms and two bathrooms. The updated home encompasses over 5,000 square feet of refined living space, showcasing a chef-inspired kitchen complete with premium countertops and contemporary finishes. A 12-foot-wide wraparound veranda provides sweeping views of the ocean, inviting residents to enjoy breathtaking sunrises and iconic sunsets.

Outdoor Paradise

The outdoor spaces are nothing short of resort-style, boasting a waterfront pool and spa, meticulously landscaped gardens, and dedicated areas for alfresco dining and lounging. A private helipad enhances accessibility, while a 100-foot deep-water dock can accommodate multiple vessels, making this island ideal for boating enthusiasts.

Sustainable Luxury

In an age where eco-conscious living is paramount, East Sister Rock Island stands out with its commitment to sustainability. The property is entirely self-sufficient, powered by state-of-the-art solar and wind systems, complete with battery storage for energy efficiency. Additional features include a backup generator, a desalination system for fresh water, and ample cistern capacity, ensuring comfort without compromising the environment.

Bonus Mainland Property

As part of the offering, buyers will also receive 99 E Ocean Drive on the mainland, which includes private dock space, further enhancing the appeal of this extraordinary opportunity in the Florida Keys.

A Legacy Property Awaits

Represented by the esteemed Vladimir Rochebrun and Aaron Rosenthal of The Chad Carroll Group at Compass, East Sister Rock Island is poised to become a legacy property for its next owner. This island retreat not only promises an unparalleled lifestyle but also represents a sound investment in one of the most desirable locations in the world.

Editorial note: This article was created by A Bit Lavish Miami’s Magazine as an original editorial reinterpretation based on publicly available reporting. Original source: profilemiami.com. Read the original article here: https://profilemiami.com/miamirealestate/2026/8/24/private-island-in-the-florida-keys-with-helipad-and-solar-power-lists-for-16-million.
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