4 Josephine Lane Experience refined coastal living in this exceptional custom built colonial, gracefully positioned South of Montauk Highway on a tranquil court. Just moments from Main Street and a short stroll to the East Islip Marina with its boat docks, beach, and playground, this home is nestled within the highly desirable East Islip School District. This distinguished residence offers 6 beautifully appointed bedrooms. The expansive primary suite exudes serenity with its sun-filled bay window and private ensuite bath. A second ensuite bedroom provides luxurious comfort for guests or extended family. Three full bathrooms and one half bath ensure ample convenience throughout the home. Designed for both elegance and ease, the main level features a formal living room, a sophisticated dining room, and a warm den anchored by a classic fireplace. The gourmet kitchen is a chef's delight, showcasing an induction stove, double oven, and generous prep space. An oversized mudroom and laundry room with exceptional storage connects seamlessly to the two car garage. The estate like backyard spans nearly 3/4 of an acre, offering a true outdoor sanctuary. An impressive L-shaped 20x40 pool with a 12x12 extension is framed by a bluestone patio, creating the perfect setting for gatherings, relaxation, and summer luxury. Additional highlights include central air, a water softening system, a reverse osmosis system in the kitchen, and a full basement providing abundant storage.