Hopatcong is a borough located in Sussex County, New Jersey. It is situated on the shores of Lake Hopatcong, the largest lake in New Jersey, which offers various recreational activities such as boating, fishing, and swimming. The area is known for its natural beauty and outdoor opportunities, attracting both residents and visitors. The borough was incorporated in 1898 and has a rich history tied to the development of the lake and surrounding areas. Today, Hopatcong is a small community with a population that enjoys a mix of suburban living and access to nature, making it a desirable place to live and visit.