1,472 votes

Boldt Castle

1 Heart Island, Alexandria Bay, New York 13607 USA

Open Now
Fri 10a-5:30p
  • Independent
  • Credit Cards
  • Wheelchair
  • Public
  • Outdoor
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“Imposing structure on the river’s edge”

In Season: 315-482-9724 Off Season: 315-482-2501 Call for Prices Millionaire hotel magnate George C. Boldt as a tribute to his beloved wife Louise. Boldt Castle was designed as their summer dream home 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. It's open seasonally between mid-May to mid-October.

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Reviewed by

  • 2 Reviews
  • 12 Helpful
October 14, 2016

Really Terri Horton, how many bricks will you remove on your next visit to Boldt Castle? If all of the tourists stole bricks from the castle how long do you think it would be left standing? I totally agree with m.robermat; take pictures and don't remove stuff!

9 people found this review helpful

Reviewed by

  • Road Warrior
  • 82 Reviews
  • 97 Helpful
December 03, 2014
Rated 5.0

LOVED IT - MUST SEE!!! Nice boat ride over and awesome grounds - really neat to see how it was made and being kept - The grounds will take as long to see as the castle - expect to spend 4 hours. When in the area there is also a nice boat ride to Singer castle that will take about 4 hours round trip. Nice to see the clear water and all the islands.

4 people found this review helpful

Reviewed by
Joshua Smibert

  • 127 Reviews
  • 202 Helpful
August 31, 2014
Rated 5.0

The castle sits on one of the 1000 islands and is quite an epic site to come up on as you traverse the islands. There is a fee to do the tour, and I was surprised by the number of visitors while I was there - but it was well worth the visit. Walking the grounds and secret gardens with their views across the island is great.

4 people found this review helpful

Reviewed by

  • 2 Reviews
  • 4 Helpful
August 04, 2013

I was there in July 1978. My Mom, Dad, Husband and our 3 1/2 year old daughter, Heather, all visited. My daughter called it the "Kings Castle". My Dad, being a great Grandfather picked up two pieces of brick and put them in his pocket. He gaven them to Heather when we returned home (Utica at the time). Heather is now 38 and still has those two pieces of the "Kings Castle" on her dresser. We plan on visiting next summer with her 13 year old daughter and 2 1/2 year old son. It is a trip I am really looking forward to shareing with Heather!

4 people found this review helpful

Reviewed by

  • 2 Reviews
  • 2 Helpful
August 05, 2014
Rated 5.0

Seeing the castle in person was amazing! I went with my two daughters. It was an amazing story . So glad we planned this trip! It will not leave you disappointed .

2 people found this review helpful

Reviewed by

  • 72 Reviews
  • 13 Helpful
March 01, 2015
Rated 4.0

The closest thing you can actually get to staying in a real castle!

1 person found this review helpful

Reviewed by

  • Road Warrior
  • 401 Reviews
  • 292 Helpful
September 14, 2014
Rated 4.0

The Boldt Castle is just amazing! The whole experience of being there was fantastic and it made us relax and travel back through time.

Lovely park around, great castle, kept in very good condition and sitting/picnic areas are available at the waterfront.

I would suggest you should not miss visiting out if you are at the area.

1 person found this review helpful

Reviewed by

  • 1 Review
  • 1 Helpful
July 31, 2013

My parents took me there as a child and I took my children a couple of years ago... so beautiful!

1 person found this review helpful

Reviewed by

  • 66 Reviews
  • 2 Helpful
February 07, 2021
Rated 5.0

Yes it's worth the trip, especially if you like old grand buildings.

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Reviewed by

  • 11 Reviews
  • 0 Helpful
August 01, 2017
Rated 5.0

Great stop!! Our entire family enjoyed this one!

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Boldt Castle

1 Heart Island
Alexandria Bay, New York
13607 USA


Open now until 5:30 pm
  • Sun - Sat: 10:00 am - 5:30 pm

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  • Parking
  • Pets Allowed
  • Restrooms
  • Wifi
  • Wheelchair Accessible
  • Credit Cards Accepted
  • Outdoor Seating
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