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.

Visit Boldt Castle

Things to do

Activities

Alexandria Bay travel guide

Things to do

1 Hour Heart of the 1000 Islands Cruise in Rockport

฿875

per adult

The Ultimate Heart of 1000 Islands Sightseeing Boat Tour

฿2,755

per adult

94% of travellers recommend

Private Tour to 1000 Islands from Toronto with Castle Boat Cruise

฿25,882

per traveller

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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Check availability on hotels close to Boldt Castle

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Hills Motor Court & Marina

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Rock Ledge Motel

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1000 Islands Harbor Hotel

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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.