Welcome to 45 Seth Lane, your dream waterfront retreat on Bass River. Built in 1880 by Samuel D. Kelley, this home is a masterpiece of architectural heritage. Featuring 6 fireplaces, 5 bedrooms, 5 and a half baths on 1.37 acres of of impeccably maintained grounds offering an unparalleled blend of elegance, comfort, and modern amenities. Seamlessly expanded and updated from 2003 to 2023 with exceptional craftsmanship, ensuring a blend of classic and contemporary waterfront living. Breathtaking 180-degree views from the River Room. MA Ch.91 licensed 90' dock is equipped with water, electricity and new 24' float, perfect for boating, fishing, kayaking, and paddle-boarding. ~288 ft of private shoreline for exclusive waterfront living. The first-floor primary suite features a new en suite bath. Newly renovated full bath on the first floor, south wing second floor, and a new Jack and Jill bath on the north wing second floor, ensures modern convenience for family and guests. This extraordinary home is a rare find for those seeking a blend of sophisticated living, historical charm, and outdoor adventure. Don't miss the opportunity to make this waterfront haven on Bass River your own.