Nestled along the picturesque St. Lawrence River in the heart of Waddington, 131 St. Lawrence Avenue presents a rare and unique opportunity to own a premier waterfront investment property in one of the North Country’s most sought-after locations. Encompassing 5,760 square feet of heated interior space, this well-maintained and fully renovated property features four versatile units with strong income potential, along with deep-water access complete with a private dock. The property includes a fully furnished 1-bedroom, 1-bath unit currently operating as an Airbnb, a 2-bedroom, 1-bath apartment with long-term tenants, and an additional 1-bedroom, 1-bath unit rented monthly to medical professionals. The property also includes expansive commercial space spanning half of the main level and nearly the full lower level, with potential for commercial use, residential conversion, a live-work layout, or use as one large unit. Outside, paved parking in both the front and rear of the property provides added convenience for tenants, guests, and customers alike. Major renovations completed in 2023–2024 include a new roof, updated electrical with four separate meter options, modern PEX plumbing, new water heaters, and more. Each unit is equipped with an efficient natural gas furnace for heating. Step outside to experience 85 feet of level frontage along the St. Lawrence River, perfect for fishing, boating, and water activities. Enjoy breathtaking sunset views and ships passing in the distance while the St. Lawrence University rowing teams glide by your backyard. Walk along the scenic waterfront trail or catch the summer concert series at the adjacent Island View Park. Located within walking distance of all village amenities that make Waddington such a beloved riverfront community, this exceptional property combines lifestyle, location, and investment versatility in one remarkable package. Whether you are looking to operate a mixed-use waterfront business, seek a flexible live-and-rent option, or own a top-tier income-producing waterfront property, this is a rare opportunity to own one of Waddington’s premier waterfront offerings.