In the extremely popular River area of Marco Island-renowned for its quick, direct Gulf access via the Marco River, this stunning four-bedroom plus den, 4.5-bath custom-built residence offers over 5,100 square feet of refined living space and is a showcase of luxury and elegant coastal design. With western-facing bay views, enjoy breathtaking sunsets and expansive water vistas from nearly every room. Upon entry, you're welcomed by a dramatic custom glass-inset stainless steel front door that opens to a grand foyer and expansive great room, complete with a gas fireplace wrapped in stone, custom built-in cabinetry, porcelain floors, backlit tray ceiling and a multi-zone audio Sonos surround sound system. The chef-inspired gourmet kitchen features quartzite countertops and backsplash, top-tier appliances including a Viking six-burner gas cooktop with pot filler and a Sub-Zero refrigerator/freezer. A large island, Viking hood, under-cabinet lighting and a dedicated coffee bar complete the space. Adjacent are the breakfast nook and formal dining area. The den offers a refined setting, with coffered ceilings, recessed lighting, built-in desk and integrated speakers. The luxurious primary suite offers French doors to the lanai, backlit tray ceiling, transom windows and integrated ceiling speakers. The spa-like primary bath includes a jetted Kohler tub overlooking the garden, quartz vanities, an oversized walk-in shower with rain and body sprayers, a private water closet with bidet and a spacious custom closet with center island. All guest bedrooms feature en-suite baths, balcony access, tray ceilings, recessed lighting and Kohler walk-in showers. Upstairs, a wet bar with beverage refrigerator and microwave adds convenience, while a recreation room above the garage brings fun with a pool table, shuffleboard, poker table, entertainment center, built-in speakers, and its own stackable washer and dryer. Outdoor living is elevated with a heated pool and spa showcasing a tile waterfall, sunken bar with beverage refrigerator and stainless cabinetry, outdoor shower and LED lighting. The spacious lanai features roll-down hurricane shutters and matching paver decking that extends to the dock. Boating enthusiasts will love the 7,500-pound boat lift, 12,000-pound PWC lift platform, wide bay views, and dock space with fish-cleaning station and water access for kayaks and paddleboards. This home is equipped with smart home technology, a full-house generator and a 1,000-gallon propane tank. Additional features include a built-in dehumidifier system for optimal indoor air quality. The home was quality-built by Slocum-Christian, known for its craftsmanship. A four-car garage with workshop, mini-split air conditioner, storage loft, ceiling fans and room for all your needs of this meticulously crafted residence. Experience premier island living!