Looking for the perfect seaside retreat or a year-round waterfront oasis? Look no further. 372 Cosey Beach Ave, a rare opportunity to customize a home in a location that truly speaks for itself. Situated at the end of the beloved Cosey Beach in the heart of Momauguin across from the marsh, this property places you just steps from restaurants, the beach, a splash pad & more. This charming home comes with a detached 2-car garage, a reinforced seawall & a sandy beach area-ideal for soaking up the sun. A full-width patio spans the front of the house, providing uninterrupted, panoramic views of the Sound-the perfect setting for morning coffee or sunset dinners. Inside, the main level features an open-concept design that offers breathtaking water views from the moment you walk through the front door. This floor includes a half bath, mechanical/storage room, laundry room & a spacious kitchen, dining & living area-all seamlessly connected for open concept living. Upstairs, you'll find a large full bathroom w/both a soaking tub & separate shower, along w/2 generously sized bedrooms, each w/private balconies that look over the ocean-perfect for enjoying the sea breeze. The primary suite, complete w/ a private en-suite bath & an additional flex room-ideal for an office, nursery, sitting room, or even the option to expand the suite into a larger bedroom. Whether you're dreaming of a serene getaway or a year-round residence, 372 Cosey Beach offers endless potential !