50 Coastline Drive This exquisite custom-built home in the coveted New Seabury community offers a rare blend of natural beauty and modern luxury. Perched perfectly to capture panoramic views of Nantucket Sound, the residence boasts a pristine sandy beach right outside your door, providing the ultimate waterfront lifestyle. Inside, the open-concept layout is thoughtfully designed, showcasing a gourmet kitchen with premium appliances, a stunning quartz island, and bespoke cabinetry. The sun-drenched living room features soaring ceilings, a statement stone fireplace, and expansive glass doors that seamlessly connect to the outdoor oasis. The primary suite is a sanctuary, complete with a spa-inspired marble bath, a generous walk-in closet, and a private deck to savor sunrise views over the water. The finished lower level offers versatile space, perfect for a media room, home gym, or guest quarters. Outdoors, the heated pool, bluestone patio, and professionally landscaped gardens create an unparalleled setting for relaxation or entertaining. Approved permits are in place for an 1, 800 sq. ft. guest house, offering endless possibilities for multi-generational living, guests, or staff. With direct beach access and breathtaking ocean vistas from nearly every room, this home embodies the essence of Cape Cod luxury.