A $21 Million Oceanfront Masterpiece in Plantation Keys Promises Serenity, Style, and Bespoke Coastal Living
A New Chapter in Luxury Coastal Living
Nestled at the heart of Islamorada’s prestigious Plantation Key, 88351 Old Hwy is a newly built oceanfront sanctuary redefining the luxury landscape in the Florida Keys. Known as Tranquility Haven, this 6-bedroom, 9-bathroom architectural masterpiece completed in January 2025 stands as a beacon of refined waterfront living. The home spans an impressive 7,738 square feet of air-conditioned interior, situated on 2.04 acres of professionally landscaped grounds featuring a 210-foot stretch of pristine private beach.
Priced at $21 million, this home in Plantation Key for sale represents more than just real estate – it’s a lifestyle. With panoramic views of the Atlantic Ocean, every sunrise becomes an event, and every evening a quiet retreat under starlit skies.
Architectural Design and Inspired Interiors
Upon entering through a gated driveway that gently winds through lush vegetation, guests are greeted by an elevated entryway, establishing both grandeur and privacy. The layout of this Plantation Key home for sale was meticulously crafted to encourage seamless movement between interior and exterior spaces. The first-floor living design allows immediate access to both indoor comfort and outdoor indulgence, creating a flow that complements the property’s oceanfront setting.
At the center of the outdoor experience is a 65-foot blue lagoon pool, complete with swim-up bar seating and a custom propane fire pit that anchors a sprawling patio. With over 1,800 square feet of covered outdoor living area, entertaining becomes effortless, whether hosting under golden afternoon light or beneath the glow of Florida’s night sky.
Inside, design meets functionality in a chef’s kitchen equipped with SubZero, Wolf, and Thermador appliances. Brazilian quartzite and premium quartz countertops highlight the attention to materiality, while cathedral ceilings, an elevator, and custom sound systems infuse every space with sophistication. There are two primary suites in the home, each boasting double bathrooms and walk-in closets. The ground-floor suite features its own orchid garden and direct spa access, while the upper-level suite delivers unmatched sunrise vistas and complete privacy.
An adaptable flex room invites personal use – perhaps as a home gym, office, or guest space – while the family room is optimized for theater experiences. Additional features include a two-car garage and a separate beach-access garage, a tropical fruit orchard, and expansive open balconies that frame the Atlantic with uninterrupted clarity.
SEE MORE: Stunning $7 Million Lakewood Ranch Home Offers Smart Luxury and Resort Vibes
A Property Anchored in Growth and Rarity
Public records show the lot was previously sold in November 2021 for $2,000,000. Following an ambitious transformation, the estate was relisted in January 2025 at $21 million a dramatic +949.8% appreciation. Its Zestimate® currently hovers at approximately $19.26 million, with per-square-foot pricing reaching $2,713. The leap in value is emblematic of the rising demand for new construction within Plantation Key real estate, where buildable land and private oceanfront properties are increasingly scarce.
Speaking with Luxury Houses Magazine, listing agent Patti Stanley of Coldwell Banker Schmitt Islamorada noted, “We’re seeing a shift where discerning buyers want fully turnkey estates that deliver not only lifestyle, but legacy. Tranquility Haven was designed with that vision in mind.”
Location: Community, Convenience, and Coastal Connection
Beyond the gated entry of 88351 Old Hwy lies a community that balances island seclusion with refined convenience. Plantation Key is known for its tranquil pace and elevated lifestyle, offering access to world-class fishing, diving, and boating. The home’s 230-foot private dock extends deep into open water, welcoming yachts and recreational vessels alike.
The surrounding neighborhood is enriched by amenities such as fine dining at oceanfront bistros, wellness spas, and art galleries scattered throughout Islamorada. Residents enjoy proximity to elite schools, boutique markets, and the renowned Florida Keys Brewing Company. With nearby marinas, golf cart-friendly streets, and a culture rooted in tropical sophistication, this Plantation Key home for sale is more than a destination – it’s a lifestyle statement.
As Patti Stanley shared with Luxury Houses, “The fruit orchard on the property isn’t just decorative – it represents the essence of Keys living: lush, personal, and intimate.”
A Lifestyle Beyond the Walls
What truly elevates Tranquility Haven beyond other homes in the Florida Keys is its intent to provide daily sanctuary. Whether starting the morning in the orchid garden, hosting cocktails by the pool’s edge, or retreating to the soundproofed theater, the design respects both grandeur and quietude.
This vision was no accident. According to Patti Stanley, “The homeowner worked closely with designers and craftsmen over two years to ensure every corner of the home brought peace and presence. Every selection – from finishes to sightlines – was personal.” Luxury Houses Magazine made efforts to contact the homeowner for further insight into the creative journey behind this architectural feat, but no response was received as of publication time.
Why 88351 Old Hwy Sets a New Standard
From its unobstructed Atlantic views to its spa-like amenities and elevated construction, this home in Plantation Key for sale exemplifies the future of oceanfront living. The property’s record-setting transformation in just three years underscores not only a market trend but also the profound emotional connection it inspires in those who walk through its doors.
Interested buyers or investors can view the official listing on Zillow or visit the Coldwell Banker Schmitt Islamorada website for full details and to schedule a private tour.
Luxury Houses recognizes 88351 Old Hwy as one of the most significant additions to the Plantation Key real estate market in recent years. With seamless indoor-outdoor design, enduring materials, and unforgettable scenery, the property promises a unique return not only on investment – but on lifestyle.
For inquiries or to schedule a private showing, please contact:
Patti Stanley
305-393-4433
Coldwell Banker Schmitt Islamorada
* This property might not for sale at the moment you read this post; please check property status at the above Zillow or Agent website links*
More Homes in Florida here:
- A $21 Million Oceanfront Masterpiece in Plantation Keys Promises Serenity, Style, and Bespoke Coastal Living
- Stunning $7 Million Lakewood Ranch Home Offers Smart Luxury and Resort Vibes
- Modern $24.9 Million Waterfront Oasis in Miami Boasts Infinity Pool, Private Dock, and Ultra-Luxe Finishes
- Modern Waterfront Marvel in West Palm Beach Listed at $27.9 Million with Rooftop Views and Saltwater Pool
