Tourist Info


Boldt Castle Tourist Information


Dates, Rates and Information:

Boldt Castle is open daily, starting May 10th to October 5th, from the hours of 10:00am to 6:30pm. During July and August extended hours are from 10:00am to 7:30pm, and for the days of October 5th to the 13th, 18th and 19th from 10:00am to 5:30pm.

Admission Rates: Adults $6.50, Children (Ages 6-12) $4.00, US Funds**

***Pet restrictions in effect. No Pets of any kind are allowed inside the Castle regardless of size unless the pet is a service animal.

Yacht House Dates & Rates:

The Boldt Castle Yacht House is open from May 17th to September 28th from the hours of 10:30am to 6:30pm.

Admission Rates: Adults $3.00, Children (Ages 6-12) $2.00, US Funds**

For information on group rates please call 1-800-847-5263, or write the Thousand Islands Bridge Authority, Collins Landing, PO Box 428, Alexandria Bay, New York 13607.

**Canadian currency accepted at posted rate of exchange. Admission prices are subject to change.

Getting to Boldt Castle:

Boldt Castle is located on Heart Island, in the United States, and is only accessible by water. From both Canada and the U.S., visitors may find transportation on either a tour boat or by personal pleasure craft. Passengers arriving from Canada must provide proper identification. For further information please refer to the U.S. Customs and Border Protection web-site http://www.cbp.gov.

A shuttle from Heart Island provides access to the Boldt Castle Yacht House.

Tour Boat Operators:

From the U.S.:

  • Uncle Sam Boat Tours, Alexandria Bay, New York, USA
    Web-Site: www.unclesamboattours.com
    Phone: 315.482.2611 or 1-800-253-9229

    Daily Departures: every 30 minutes beginning at 10:00am

  • Clayton Island Tours, Clayton, New York, USA
    Web-Site: www.claytonislandtours.com
    Phone: 315-686-4217
    Please call for Schedule.

  • Visit the Antique Boat Museum, Clayton, New York, USA
    and see George Boldt’s La Duchesse and take a speed boat ride on the St. Lawrence River.
    Web-Site: www.abm.org
    Phone: 315.686.4104

From Canada:

  • Gananoque Boat Lines, Gananaoque, Ontario Canada
    Web-Site: www.ganboatline.com
    Phone: 613.382.2144
  • 1000 Islands Cruises, Rockport, Ontario Canada
    Web-Site: www.rockportcruises.com
    Phone: 613.659.3402, 800-563-8687
    Daily Departures: 10:30am, 12-Noon, 1:30pm and 3:00pm



See who is listed as a
Special Friend of Boldt Castle: a Virtual Tour

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If you are interested in becoming a ‘special friend’ of Boldt Castle: a Virtual Tour, and getting your name listed on the ‘special friends’ page – get more information here. You’ll be glad that you did!


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