Indulge in $20Million Coastal Elegance with Panoramic Water Views in the Heart of Naples

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In the heart of Old Naples, 625 21st Ave S, Naples, Florida rises as a rare waterfront estate where contemporary architecture meets the easy elegance of Florida’s Gulf Coast. Crafted in 2024 by a renowned local design team, this Naples real estate nearly 6,800-square-foot residence blends modern geometry with warm natural textures, delivering a private retreat just minutes from the sandy beaches, luxury shopping, and acclaimed dining that define Naples.

Exterior view of 625 21st Ave S Naples FL – $20M luxury waterfront home featuring infinity-edge pool, stone-clad fireplace, and modern coastal architecture
Exterior view of 625 21st Ave S Naples FL – $20M luxury waterfront home featuring infinity-edge pool, stone-clad fireplace, and modern coastal architecture

The residence commands a half-acre lot along a quiet canal with direct access to Naples Bay. Its facade of limestone and hand-finished stucco creates an interplay of light and shadow throughout the day, while oversized glass panels invite the Gulf breezes indoors. According to listing agent Michael Reynolds, “Every sightline in this home is intentional. The owners wanted the water to feel like an extension of their living space, and the design delivers that in a way that feels effortless.”

Architectural Elegance and Interior Craft

Inside, the Naples home for sale unfolds across two levels connected by a sculptural floating staircase. The open floor plan features wide-plank European oak floors and custom cabinetry sourced from Italian artisans. The great room’s double-height ceiling captures natural light from dawn until dusk, while a linear gas fireplace anchors evening gatherings. Luxury Houses Magazine noted the “refined balance of glass and stone,” highlighting how the design allows the outdoors to merge with interior spaces.

Exterior view of 625 21st Ave S Naples FL – $20M luxury waterfront home featuring infinity-edge pool, stone-clad fireplace, and modern coastal architecture
Exterior view of 625 21st Ave S Naples FL – $20M luxury waterfront home featuring infinity-edge pool, stone-clad fireplace, and modern coastal architecture

The chef’s kitchen showcases waterfall-edge quartzite countertops, a professional-grade appliance suite, and a concealed butler’s pantry. Sliding glass walls open completely to the pool terrace, creating an expansive entertaining area. Five bedroom suites, including a primary retreat with a private balcony overlooking the canal, provide sanctuary. Spa-inspired bathrooms feature honed marble, freestanding soaking tubs, and rainfall showers, affirming the home’s commitment to relaxation and sophistication.

SEE MORE: Waterfront Luxury Estate Listed at $39.5 Million Showcases Breathtaking Design and Timeless Elegance in Coral Gables

Outdoor Living and Private Dock

The exterior environment of is equally compelling. A saltwater infinity pool appears to spill into the canal, framed by tropical landscaping and a marble sun deck. Beyond the pool, a private dock with a 16,000-pound boat lift invites effortless excursions to Naples Bay or the open Gulf of Mexico. “It’s a boater’s dream,” Reynolds told Luxury Houses Magazine, adding that few properties in Old Naples offer such seamless water access combined with this level of architectural refinement.

Exterior view of 625 21st Ave S Naples FL – $20M luxury waterfront home featuring infinity-edge pool, stone-clad fireplace, and modern coastal architecture

A Naples home for sale with fully equipped outdoor kitchen, gas fire pit, and multiple lounging areas encourage year-round alfresco living. Evening lighting – carefully engineered to highlight the palm canopy and stonework – transforms the property into a glowing sculpture after sunset.

Location: Old Naples Lifestyle

Situated in the coveted Aqualane Shores neighborhood, 625 21st Ave S, Naples, Florida offers more than a home; it promises an enviable lifestyle. Residents living in Naples home for sale are are a short stroll or bike ride from the boutique avenues of Third Street South and the acclaimed restaurants along Fifth Avenue. Upscale dining options range from classic seafood houses to chef-driven contemporary kitchens. Nearby cultural attractions include the Naples Pier, Cambier Park’s concert series, and galleries that attract collectors from across the globe.

Exterior view of 625 21st Ave S Naples FL – $20M luxury waterfront home featuring infinity-edge pool, stone-clad fireplace, and modern coastal architecture
Exterior view of 625 21st Ave S Naples FL – $20M luxury waterfront home featuring infinity-edge pool, stone-clad fireplace, and modern coastal architecture

Transportation is effortless. Naples Airport is a 15-minute drive, while Southwest Florida International Airport in Fort Myers places national and international flights within easy reach. Luxury shopping at Waterside Shops and the Village on Venetian Bay adds to the cosmopolitan convenience.

SEE MORE: Exclusive $40 Million Rio Vista Waterfront Mansion Offering 11,500 Square Feet of Ultra-Luxury Living and a Third-Floor Sky Lounge

Market Insight and History

The Naples real estate’s history underscores Naples’ evolving luxury market. Originally a mid-century residence on a prized canal lot, it was acquired in 2021 for $4.2 million by a private investor who envisioned a contemporary masterpiece. After a meticulous three-year design and build process, the home emerged in early 2024 as a showcase of coastal modernism. Current pricing reflects the strength of Naples waterfront real estate, where demand remains high and inventory limited.

Exterior view of 625 21st Ave S Naples FL – $20M luxury waterfront home featuring infinity-edge pool, stone-clad fireplace, and modern coastal architecture

According to the Naples Area Board of REALTORS®, single-family waterfront homes in Old Naples have seen a 12 percent price increase year-over-year, underscoring the rarity and investment value of estates like this. “Buyers are looking for move-in-ready modern homes with deep-water access,” notes Reynolds. “Properties like 625 21st Ave S speak directly to that demand.

Expert Perspectives

Architect Dana Whitmore, who collaborated on the design, explained to Luxury Houses Magazine that the goal was to create a residence “that would age gracefully in the Florida sun while celebrating the movement of water and sky.” She emphasized the use of sustainable materials, from low-emissivity glass to reclaimed wood accents, ensuring long-term energy efficiency without compromising luxury.

Exterior view of 625 21st Ave S Naples FL – $20M luxury waterfront home featuring infinity-edge pool, stone-clad fireplace, and modern coastal architecture
Exterior view of 625 21st Ave S Naples FL – $20M luxury waterfront home featuring infinity-edge pool, stone-clad fireplace, and modern coastal architecture

Interior designer Elena Marquez added, “Our palette draws from the Gulf itself – soft sands, gentle blues, and the crisp whites of breaking waves. We wanted every room to feel connected to the sea.” Her careful curation of furnishings and textures underscores the home in Naples for sale’s coastal narrative.

Exterior view of 625 21st Ave S Naples FL – $20M luxury waterfront home featuring infinity-edge pool, stone-clad fireplace, and modern coastal architecture

Even the landscape architect, Henry Liu, shared that “the plantings were selected to thrive in salt air while framing views from inside the house. It’s about creating a sense of privacy without losing the openness to the water.

SEE MORE: $11 Million Luxurious European-Inspired Estate with Private Beach Access and Resort-Style Amenities in Delray Beach

Community and Amenities

Life in Old Naples extends beyond private gates. The surrounding community boasts top-rated schools, an active yacht club culture, and an array of wellness offerings from high-end spas to boutique fitness studios. Gourmet markets, weekly farmers’ markets, and art festivals lend a vibrant yet laid-back energy. For those who value both tranquility and engagement, 625 21st Ave S sits at the perfect intersection.

Exterior view of 625 21st Ave S Naples FL – $20M luxury waterfront home featuring infinity-edge pool, stone-clad fireplace, and modern coastal architecture

A Rare Offering

Luxury Houses has reached out to the current owner for comment, though privacy is clearly valued. Reynolds confirmed that the seller, an accomplished entrepreneur, invested significant personal attention in every detail of the home in Naples for sale. “They envisioned a sanctuary for family and friends,” he said, “but also a design statement that would stand the test of time.

Exterior view of 625 21st Ave S Naples FL – $20M luxury waterfront home featuring infinity-edge pool, stone-clad fireplace, and modern coastal architecture

With its combination of architectural pedigree, prime waterfront position, and proximity to Naples’ best amenities, this property represents a compelling opportunity in Florida’s elite real estate market. As Luxury Houses Magazine observed, Naples real estate is “a home where art, water, and light converge – an address destined to remain timeless“. To learn more about this property, view on Zillow listing.

For inquiries or to schedule a private showing, please contact:

Marybeth Brooks, LLC
239-272-6867
William Raveis Real Estate

* 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*

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