Boldt Castle Hours of Operation:
May 8, 2021 through October 11, 2021
10:30 am – 6:30 pm
SPECIAL HOLIDAY HOURS:
Boldt Castle will remain open until 7:30pm on Independence Day Weekend on Saturday, July 3rd and Sunday, July 4th and remain open until 7:30pm on Labor Day Weekend on Saturday, September 4th and Sunday, September 5th.
All of Uncle Sam’s daily tours stop at Boldt Castle, with a few exceptions due to the Castle schedule. Tickets may be purchased at Heart Island or at the official Boldt Castle website: www.boldtcastle.com. For the convenience of our customers here are the official admission cost and hours of operation at Boldt Castle for 2021.
Boldt Castle is a separate operation form Uncle Sam Boat Tours. It is operated by the Thousand Islands Bridge Authority which charges an admission fee to Boldt Castle unconnected from our shuttle and or tour services.
Please note that the Uncle Sam Boat Tours shuttle will not bring new visitors to Heart Island 1.5 hours before Boldt Castle’s stated closing time.
Boldt Castle Rates:
These rates are in addition to all Uncle Sam Tour/Cruise Rates. Tickets for Boldt Castle can be purchased at the Uncle Sam Boat Tours Ticket Booth or at Heart Island for the same rate.
Adult – $11.00 (13+ years) Child – $8.00 (5-12 years) Infant – $0.00 (4 years and under) US Funds
Boldt Castle offers no discounts for military or seniors.
No Pets are allowed on Heart Island or the Boldt Yacht House with the exception of registered service animals.