Elegance on the Estuary, Cassique Masterpiece. Welcome to 436 Estuary Lane, a stunning custom estate completed in 2024 and offered fully furnished. This property is tucked away at the end of a quiet cul-de-sac within the private, gated enclave of Cassique, this home offers exclusive access to the renowned Kiawah Island Club lifestyle. Designed specifically for hosting family and friends, this property seamlessly pairs grand entertaining spaces with serene, private retreats. The main living area features a dramatic see-through fireplace that elegantly separates the gourmet kitchen from the grand living room, creating an inviting, open air flow. The kitchen is an entertainers dream with seperate working pantry including a second dishwarsher, refrigerator, sink, and plenty of prep and storagespace. A gorgeous, dedicated custom bar serves as the perfect centerpiece for entertaining guests before dinner. Just beyond the main living space is an outdoor oasis. An effortlessly transition to two large screened patios designed for year round enjoyment. Steps away, a massive private pool and hot tub overlook the peaceful community landscapes. The primary suite is a private haven situated conveniently on the main level, featuring soaring 16 foot vaulted ceilings that maximize light and space. A Large picture windows framing expansive, tranquil views of the lagoon and a spa-like en-suite bath boasting a huge steam shower, deep soaker tub, and an expansive walk-in closet with abundant storage. Upper level accommodations where comfort is guaranteed for family or visitors with three oversized guest bedrooms. Ensuring ultimate privacy, each bedroom is complete with its own dedicated en-suite bathroom. Massive lower level and bonus flex space, this expansive lower level is a car enthusiast's dream, featuring a fully dehumidified garage that comfortably accommodates up to 6 vehicles. Additionally, this level offers a flexible, separate room perfect for a home gym, workshop, hobby room, or climate-controlled storage. Offered with a Kiawah Island Club Social Membership, provides the homeowner exclusive entry into an elite, private world of luxury, wellness, and curated Lowcountry experiences. The membership unlocks access to the Club's extraordinary culinary, wellness, and coastal amenities making this property highly coveted. This exceptional, turn key estate is ready to welcome its next owner. You don't want to miss this opportunity for a true immersion into Kiawah Island's most prestigious social circle. Agent is owner.