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 Last updated 2014-01-14 Get map or directions from Google Maps, Yahoo Maps, Bing Maps, or Mapquest Rate it yourself Submit your own review |