Boldt Castle

Today Boldt Castle, located near Alexandria Bay, NY in the famed 1000 Islands is once again becoming what it was always meant to be, the premier home and attraction in the region. Whether you are making an annual visit to see what’s new, looking for an affordable family vacation close to home, or a couple seeking that romantic getaway, Boldt Castle and the Boldt Yacht House have something for you! The Castles’ legendary beauty nestled among the St Lawrence River’s 1000 Islands will keep you returning year after year! The Thousand Islands Bridge Authority (TIBA) welcomes you to tour Boldt Castle to explore and experience an attraction like no other. Construction began on Boldt Castle in 1900 at the bidding of millionaire hotel magnate George C. Boldt as a tribute to his beloved wife Louise. Boldt Castle was designed as their summer dream home. A castle rivaling those of Europe, built on the St. Lawrence River, in the heart of the 1000 Islands. However it was not to be, Mrs. Boldt passed away suddenly just months before the completion of the castle. Mr. Boldt was inconsolable and immediately stopped all construction on Heart Island, leaving the property vacant for over seventy years. The Thousand Islands Bridge Authority (TIBA), which owns and operates Boldt Castle and the Boldt Yacht House, invites you to explore our website. Here you can glimpse what awaits you at Heart Island. A chance to experience the Boldt’s tragic love story and the magnificence of a bygone era.