Welcome to 5 New Castle Street! This ocean block home with garage apartment in South Rehoboth is just steps to the beach, boardwalk and Rehoboth Avenue and includes a total of 6 bedrooms, 4.5 bathrooms. Numerous features could not be duplicated under today's building code. The first floor of the main house includes a large front porch, eat-in kitchen with granite counters and stainless steel appliances, spacious living room, den, and first floor master bedroom with adjacent full bath. Step upstairs to find a master suite with private deck that overlooks the ocean, plus two additional guest bedrooms and full bath. In the rear of the property sits a 2-car garage with a 2 bedroom, 1 bath apartment on the second floor and includes a living room, kitchen, and hardwood floors. Exterior features include an outdoor shower and three off-street parking spaces. This home offers excellent rental history and produces over $100,000 of income each summer. Unique opportunity to rent one unit and enjoy the other for yourself. Don't miss this opportunity to own an investment property or summer beach retreat!