Boldt Castle1 Tennis Island RdAlexandria Bay, NY 13607 315-482-9724 www.boldtcastle.com FunInNewEngland Rating: (0 votes) Type: Building A castle located on Heart Island in the St. Lawrence River in Upstate New York's Thousand Island region; Built around 1900 by George C. Boldt, owner of the Waldorf-Astoria Hotel as a gift for his wife, but she died and the castle was never completed; See website for tour boat operators to see the castle; You can also take a shuttle boat to the Yacht House to see Boldt's collection of antique wooden boats Get map or directions from Google Maps, Yahoo Maps, Bing Maps, or Mapquest Rate it yourself Submit your own review |