Rare opportunity to own a double-lot coastal compound in Momauguin - one of Connecticut's most sought-after shoreline communities, steps from Cosey Beach with a splash pad, scenic paths, and 4th of July fireworks over the water. This modern home features open-concept living with hardwood floors, a cozy fireplace, chef's kitchen, and spa bath with whirlpool tub. Upstairs bedrooms open to private decks with peaceful views and coastal breezes. Highlights: * Double lot (51 and 53 1st Ave) - nearly double neighborhood footprint * Low flood insurance * ADT security system * Dual-level decks * Upper-level laundry * Golf cart-friendly community * Near dining, shops & transit Adjacent Lot: 53 1st Ave included - nearly double the typical footprint. Suitable for a garden, entertainment space, studio, or future development. Variances required; responsible for all town approvals. Year-round residence or luxurious coastal getaway - Momauguin is where every day feels like a retreat. $449,900 | Seller represented