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

2-Hour Two Castle 1000 Islands Cruise from Ivy Lea

2 Hour Two Castle 1000 Islands Cruise from Ivy Lea

HK$275
per adult
96% of travellers recommend
2 Hour Two Castle 1000 Islands Cruise from Ivy Lea
Boldt Castle and 2 Nation Tour

Boldt Castle and 2 Nation Tour

HK$251
per adult
82% of travellers recommend
Boldt Castle and 2 Nation Tour
Private Tour to 1000 Islands from Toronto with Castle Boat Cruise

Private Tour to 1000 Islands from Toronto with Castle Boat Cruise

HK$6,195
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.'s Inn & Suites

Capt.'s Inn & Suites

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

Capt. Thomson's Resort

3 out of 5
45 James Street Alexandria Bay NY
Capt. Thomson's Resort
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
Alexandria Bay, 1000 Islands Waterfront Cottage For Rent directly on the water,

Alexandria Bay, 1000 Islands Waterfront Cottage For Rent directly on the water,

Alexandria Bay NY
Alexandria Bay, 1000 Islands Waterfront Cottage For Rent directly on the water,
On The St. Lawrence River & in Downtown Alexandria Bay!

On The St. Lawrence River & in Downtown Alexandria Bay!

Alexandria Bay NY
On The St. Lawrence River & in Downtown Alexandria Bay!
See all 558 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.