Boldt Castle & Boldt Yacht House

1000 Islands

Opens for the Season May 9th, 2020!

“If you haven’t seen Boldt Castle lately, you haven’t seen Boldt Castle.”

Today Boldt Castle, located near Alexandria Bay, NY in the famed 1000 Islands is once again becoming what it was always meant to be, the premier home and attraction in the region. Whether you are making an annual visit to see what’s new, looking for an affordable family vacation close to home or a couple seeking that romantic getaway, Boldt Castle and the Boldt Yacht House has something for you! In fact, the Castles’ legendary beauty nestled among the St Lawrence Rivers’ 1000 Islands will keep you returning year after year!

The Thousand Islands Bridge Authority (TIBA) welcomes you to tour Boldt Castle to explore and experience an attraction like no other. Construction began on Boldt Castle in 1900 at the bidding of millionaire hotel magnate George C. Boldt as a tribute to his beloved wife Louise. Boldt Castle was designed as their summer dream home. A castle rivaling those of Europe, built 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…

Web Site

Useful information

Boldt Castle
1 Heart Island,
Alexandria Bay, NY 13607
Tel.: In season: 315-482-9724
Tel.: Off season: 315-482-2501

2020 Hours of Operation

Boldt Castle & Boldt Yacht House:

May 9 - June 19: 10 AM - 6:30 PM
June 20 - August 30: 10 AM - 7:30 PM
August 31 - September 20: 10 AM - 6:30 PM
September 21 - October 4: 10 AM - 5:30 PM
October 5 - October 18: 11 AM - 5:00 PM 

Special Hours: The Castle will remain open until 7:30 PM for Memorial Day Weekend, May 23rd and 24th, Labor Day Weekend, September 5th and September 6th. In addition, Boldt Castle will be open 10 AM until 6:30 PM on Columbus Day/Canadian Thanksgiving Weekend October 10th and 11th, 2020. Admissions Booth closes 1 hour prior to Boldt Castle closing. Boldt Yacht House opens May 9th and Boldt Yacht House Shuttle Begins running at 10:30 am. For more info: 1 800 847-5263

Boat tours from both the U.S. and Canada stop at Heart Island. Extensive docking is available for private pleasure craft. A shuttle from Heart Island provides access to the Boldt Castle Yacht House.

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