Open House! Harbor Light Realty understands that people don’t just invest in Dartmouth/Lake Sunapee real estate, but in the New England lifestyle. Ski Mount Sunapee, sail Lake Sunapee, hike Mt. Kearsarge or just relax and take note of life’s simple pleasures in quaint Sunapee village. Whether your tastes lean towards waterfront property or commercial investments, we have the experience to help you find your way home.