Boldt Castle and Yacht House, Alexandria Bay

4.7
#1 of 12 in Things to do in Alexandria Bay
Nestled on an island of the St. Lawrence River, Boldt Castle and Yacht House tells a tragic story of a wealthy couple who never got to live in their lavish estate. Straddling the border between the United States and Canada, the castle came to life in 1900, constructed by millionaire George C. Boldt (owner of the famed Waldorf Astoria Hotel in New York City). It was cancelled in 1904 due to the sudden death of his wife, but construction eventually resumed in 1977. Today you can see some incomplete and some finished rooms, a basement with a swimming pool and bowling lanes, hallways with pictures and artifacts, and a collection of wooden boats. Learn about how electricity was obtained in the early 20th century. Take a guided tour and explore the surrounding grounds. To visit Boldt Castle and Yacht House and get the most from your holiday in Alexandria Bay, create itinerary details personal to you using our Alexandria Bay trip builder site .
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Boldt Castle and Yacht House Reviews
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  • The story of this house is so sad, but the house is amazing! They are restoring the house back to the way it was and how Mr. Boldt wanted it to be. They got the first and second floors remodel done. Y...  more »
  • The Boldt Castle is beautiful and they are doing a wonderful job restoring and preserving the castle. It is a huge gesture of a husband's love for his wife. Unfortunately people who think they are mak...  more »
  • Thousand Island (thousand islands) Boldt Castle on Heart Island, one of the most popular Islands in the thousand islands. Hotels in the United States Code for bolt-wonderful loving wife I started building my wife died during the construction, the construction and did not find that island again bolt rigs.
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  • I have visited here three times and just absolutely love it here. I could get lost just dreaming of what it would have been like to live here. I love going back as often as I can to see what renovations they have done. Read the back story about Boldt Castle and Heart Island. Please donate what you can so they can continue to restore and make it a point to stop here.
  • I've loved this place since my first visit decades ago. Nice presentation of the history of the island, as well as the mansion and outbuildings. Restoration work has REALLY come along over the years, but I like how there is still access to areas that were left "as is." It gives a better perspective on how far other areas have come. Good tourist site to visit for sure.
  • This is an unfinished and will never be totally restored castle due to the legal agreement made when ownership changed hands. Have visited the place off and on for many decades and it is so impressive the amount of restoration done since the time I was a child when nothing was done except lots of graffiti. Highly recommend a visit to the castle when exploring the Thousand Islands. Great place for photos and much of the site is open to freely walk around.
  • One of the best tourist sites of all upstate New York. Just a less then 20min boat ride to the place. They do have a restaurant on the island. And most of the remodeling is done. Fun fact Boldt Castle is a major landmark and tourist attraction in the Thousand Islands region of the U.S. state of New York. Open to guests seasonally between mid May and mid October. It is located on Heart Island in the Saint Lawrence River.
  • Beautiful, definitely worth traveling for. I was there for a friend's wedding and they made it beautiful and were very accommodating to the bride's and all our needs. Absolutely beautiful to visit and even more for a wedding.

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