Boldt Castle

A historic stone castle on a lakeside island with a clear sky.
A stone castle with towers on a lakeside island, surrounded by trees and a larger building in the background.
A stone castle with multiple towers by a calm lake, surrounded by lush greenery and a partly cloudy sky.
A historic mansion with a red roof and stone towers by a lake.
A stone structure with a statue on top by a waterfront.

Things to do

1 Hour Heart of the 1000 Islands Cruise in Rockport

1 Hour Heart of the 1000 Islands Cruise in Rockport

S$34
per adult
1 Hour Heart of the 1000 Islands Cruise in Rockport
The Ultimate Heart of 1000 Islands Sightseeing Boat Tour

The Ultimate Heart of 1000 Islands Sightseeing Boat Tour

S$107
per adult
94% of travellers recommend
The Ultimate Heart of 1000 Islands Sightseeing Boat Tour
Private Tour to 1000 Islands from Toronto with Castle Boat Cruise

Private Tour to 1000 Islands from Toronto with Castle Boat Cruise

S$1,003
per traveller
Private Tour to 1000 Islands from Toronto with Castle Boat Cruise
See all activities in Alexandria Bay

Stay near popular Boldt Castle attractions

Boldt Castle

9.4/10 (1,063 reviews)
After visiting Boldt Castle, make a plan to see the other sights and activities in Alexandria Bay. Amble around the area's riverfront or seek out the local tours.
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Top Boldt Castle Hotel Deals

Bonnie Castle Resort & Marina

Bonnie Castle Resort & Marina

3 out of 5
31 Holland Street Alexandria Bay NY
Bonnie Castle Resort & Marina
Riveredge Resort

Riveredge Resort

3.5 out of 5
17 Holland Street Alexandria Bay NY
Riveredge Resort
Capt. Thomson's Resort

Capt. Thomson's Resort

3 out of 5
45 James Street Alexandria Bay NY
Capt. Thomson's Resort
Capt.'s Inn & Suites

Capt.'s Inn & Suites

2 out of 5
116 Church Street Alexandria Bay NY
Capt.'s Inn & Suites
Otter Creek Inn

Otter Creek Inn

2.5 out of 5
2 Crossmon Street Extension Alexandria Bay NY
Otter Creek Inn
Thousand Island Hart House

Thousand Island Hart House

2 out of 5
21979 Club Rd Wellesley Island NY
Thousand Island Hart House
Hills Motor Court & Marina

Hills Motor Court & Marina

2.5 out of 5
24 Bethune St. Alexandria Bay NY
Hills Motor Court & Marina
Rock Ledge Motel

Rock Ledge Motel

2.5 out of 5
45302 NY-12 Alexandria Bay NY
Rock Ledge Motel
1000 Islands Harbor Hotel

1000 Islands Harbor Hotel

3.5 out of 5
200 Riverside Drive Clayton NY
1000 Islands Harbor Hotel
See all 559 properties in Boldt Castle
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

* Savings based on package bookings compared to the price of the same components booked separately. Savings not available on all packages. Book Flight + Lodging, save up to 100% of flight price - Savings based on flight + lodging package prices as compared to the price of the same components available for booking separately before all discounts and rewards applied. Your bundled savings cover up to 100% of your flight. Savings vary based on origin/destination, length of trip, stay dates and travel suppliers. Savings not available on all flight + lodging package bookings.