Welcome to 6 Atlantic Street, Holtsville. This well-maintained 4-bedroom, 2-bath hi-ranch offers a flexible floor plan with potential for a 1-bedroom accessory apartment with proper permits. The home has been meticulously updated with new flooring and carpeting throughout (2021), stainless steel kitchen appliances (2021), downstairs kitchen cabinets and sink (2021), interior paint throughout both levels (2021), downstairs bathroom fully renovated (2021), new top floor bathroom fixtures (2021), ceiling fans and light fixtures (2021). Situated with a fully fenced yard, the property also features front and rear in-ground sprinklers (2021), with a new back shed (2021) providing convenience and easy maintenance. Additional features include windows with a transferable warranty through Tri-State Window Factory, a second Rheem hot water heater (2022), a new furnace firebox (2022), and new garage door (2021) Conveniently located within the Sachem School District, approximately 0.6 miles from Chippewa Elementary School, 0.3 miles from Sagamore Middle School, and 2.6 miles from Sachem High School East. Ideally situated near parks, shopping, restaurants, major roadways, and several local colleges including Stony Brook University and Suffolk County Community College.