Welcome to this executive marsh-front oasis in the prestigious Isle of Palencia. This luxury 5-bedroom, 4-bath, plus office, plus loft, pool home offers an inviting blend of modern sophistication and timeless design, nestled on a private cul-de-sac in a highly sought-after enclave of just 43 homes. Step inside to discover a spacious open-concept layout with high-end finishes and wood-look tile throughout. The gourmet kitchen is a chef's dream, featuring quartz countertops, a large island with seating, a farmhouse sink, gas cooktop, double ovens, and a butler's pantry. The bright and airy family room is anchored by a modern electric fireplace and enhanced by coffered ceilings, providing a warm and elegant space for relaxation. The first-floor owner's suite offers a spa-like ensuite bath with a luxury shower and expansive walk-in closet, while two additional bedrooms, one guest suite for in-laws, and an office with a built-in kitchenette provide ample space for work and leisure. Upstairs, find a generous bonus room, a full bath, and a fifth bedroom ideal for more guests or a private retreat. Outdoors, the screened lanai and summer kitchen with EVO griddle, gas cooktop, and granite island are perfect for entertaining. Relax in the swim spa, enjoy the jetted Jacuzzi, or gather by the stone fireplace in your private backyard with breathtaking marsh views. This home also includes a 3-car garage and a whole-house Generac generator, ensuring convenience and peace of mind. As part of the exclusive Palencia community, enjoy world-class amenities including three pools, a championship golf course, fitness center, clay tennis courts, and scenic nature trails leading to the Intracoastal. Ideally located between Ponte Vedra and historic St. Augustine, this exceptional residence offers a luxurious Florida lifestyle with top-rated St. Johns County schools, nearby shops, dining, and easy beach access. Don't miss your chance to tour this unparalleled home in Palencia. Schedule your private showing today!