Welcome to this beautifully expanded 4 bedroom, 2.5 bath colonial located on a quiet block in the Mount Sinai School District. This well maintained home offers a spacious layout featuring a large cozy living room w/ gas fireplace, formal dining room and eat-in kitchen w/ stainless steel appliances and walk-in pantry. The primary bedroom boasts vaulted ceilings and inviting sitting area ideal for a home office, vanity, or reading nook. A full finished basement provides additional living space. Home is equipped with central air conditioning, separate hot water heater and in ground sprinklers. Situated on a generous 0.37-acre lot, the private backyard is your own oasis, featuring a heated in-ground pool and Trex Deck, perfect for relaxing and entertaining. Enjoy the welcoming front porch and beautifully landscaped property. Conveniently located near downtown Port Jefferson's waterfront, marinas, restaurants, and shopping. WELCOME HOME!