Residential Land for Sale in Wellesley Island, New York

RARE 2.5-ACRE WELLESLEY ISLAND WATERFRONT BUILDING LOT ON THE ST. LAWRENCE RIVER! Discover a once-in-a-lifetime opportunity to own a level, buildable waterfront lot on the magnificent St. Lawrence River. Situated on 2.5 acres with 82 feet of river frontage, this property comes complete with an expansive L-shaped dock offering over 140 feet of dockage. From here, enjoy incredible views of passing ships with the iconic Boldt Castle as your backdrop. The lot is ready for your vision, with recently drafted (non-approved) plans for a boathouse included, or the flexibility to design and build your dream home or cottage. A paved driveway with right-of-way ownership, a large flat yard, and generous parking area make this property especially rare among Thousand Islands waterfront offerings. Wellesley Island is one of the few vehicle-accessible islands in the region, providing the convenience of year-round access while still enjoying the privacy and natural beauty of island life. Perfectly located between Clayton and Alexandria Bay, just minutes from the Thousand Islands Bridge and the U.S.-Canada border, you'll have easy access to golf courses, marinas, restaurants, and all the unmatched recreation of the river. Don't miss this extraordinary chance to create your private retreat in one of the most sought-after destinations in the Thousand Islands.