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Boldt Castle & Boldt Yacht House 1
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Boldt Castle & Boldt Yacht House 3
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Boldt Castle & Boldt Yacht House 5

Boldt Castle & Boldt Yacht House

attraction

Attraction

star

4.8 (6223 reviews)

Imposing stone castle on 5-acre island open for tours of interior, formal gardens & grounds.

1 Heart Island, Alexandria Bay, NY 13607

+1 315-482-9724

Did You Know?
6 facts
Unfinished
A Dream Interrupted

Construction of Boldt Castle abruptly stopped in 1904 after the unexpected death of George Boldt's wife, Louise. He never returned to the island, leaving the castle unfinished as a monument to his love.

Heart
Heart Island's Name

The island on which Boldt Castle sits was originally called Hart Island, but George Boldt renamed it Heart Island as another tribute to his wife.

Powerhouse
Yacht House's Purpose

The Boldt Yacht House, located across the channel on Wellesley Island, was not just for storing yachts. It also housed a powerhouse that supplied electricity to Heart Island.

$25
Millions Spent

George Boldt reportedly spent over $25 million (in today's dollars) on the construction of Boldt Castle before abandoning the project.

Highlights from Reviews

castle architecture

The castle's architecture is beautiful, with intricate details and a fairy-tale-like quality that captivates visitors.

beautiful grounds

The grounds are well-maintained with beautiful landscaping, flowers, and lawns, providing a picturesque setting for photos and relaxation.

remarkable restoration

The restoration work is impressive, bringing the castle back to life and showcasing its history and grandeur.

friendly staff

The staff are friendly, helpful, and knowledgeable, enhancing the overall visitor experience.

stunning views

The views of the St. Lawrence River and surrounding islands are stunning, adding to the scenic beauty of the location.

Location