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800.955.4511

Located on the shores of the St. Lawrence River in Alexandria Bay, New York, Bonnie Castle Resort is your gateway to the breathtaking beauty of the Thousand Islands.

A world of beauty, history, and relaxation awaits you at Bonnie Castle Resort. Enjoy fine dining in our Manor House Restaurant, grab a sandwich on the dock at The Pointe Bar and Grill, relax by the pool, or simply sip a cocktail on our expansive decks overlooking Boldt Castle on Heart Island. Visiting by boat? Take advantage of our full-service marina.

The Bonnie Castle Resort & Marina
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Whether you’re looking for a fun family getaway or a perfect spot to host your wedding or other event, Bonnie Castle Resort and the Thousand Islands region offer something for everyone. We look forward to making your stay as enjoyable and relaxing as possible.

Please note that Bonnie Castle Resort is under new ownership and management as of May 2012. Come visit and see what’s new as we update this property in a manner deserving of its rich history. As work continues, we will post updates and images here at our website.
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Bonnie Castle Prices Are Falling Package
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Bonnie Castle Events

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October 13th: The Pointe closes

October 31st: Halloween Dinner
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November 27th: Thanksgiving Buffet

New Years Eve Celebration featuring Chief Big Way & Joey Belladonna
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Alexandria Bay weather