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

The Ultimate Heart of 1000 Islands Sightseeing Boat Tour

HK$659

per adult

94% of travellers recommend

Tour to Niagara, Toronto, Washington, Amish, Philadelphia and NYC

5 Days-Perfect East

HK$7,726

per adult

100% of travellers recommend

Toronto, Niagara Falls & Thousand Islands 3–DAY Trip

HK$4,855

per adult

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

Check prices on hotels near Boldt Castle

Riveredge Resort

17 Holland Street Alexandria Bay NY

Capt.'s Inn & Suites

116 Church Street Alexandria Bay NY

Bonnie Castle Resort & Marina

31 Holland Street Alexandria Bay NY

Capt. Thomson's Resort

45 James Street Alexandria Bay NY

Hills Motor Court & Marina

24 Bethune St. Alexandria Bay NY

Otter Creek Inn

2 Crossmon Street Extension Alexandria Bay NY

Thousand Island Hart House

21979 Club Rd Wellesley Island NY

Spacious & Charming Wellesley Island Townhome with Dock

Wellesley Island NY

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

Alexandria Bay NY

See all 565 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.