Bonnie Castle Resort&Marina - Hotel in Alexandria Bay, United States

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Offering a full-service marina on the Saint Lawrence River, this Alexandria Bay hotel has an indoor pool and hot tub, as well as a seasonal outdoor swimming pool. Free WiFi is offered throughout the property.

The rooms at the Bonnie Castle Resort include a flat-screen cable TV and a refrigerator. Select rooms feature a hot tub.

Guests staying at the Bonnie Castle Resort & Marina can enjoy 3 on-site dining options. The Manor House Restaurant serves breakfast and dinner in an elegant setting. The Riverside Sports Bar serves lunch and dinner, while The Pointe Bar and Grill prepares sandwiches and burgers with dockside dining (hours vary by season).

Guests can see Boldt Castle among the Thousand Islands and the Thousand Islands Country Club is 18.6 km away.

Important Information

Guests are required to show a photo identification and credit card upon check-in. Please note that all Special Requests are subject to availability and additional charges may apply.

Guests under the age of 18 can only check in with a parent or official guardian.

Swimming pool is closed from Sun 21 Jun 2026 until Mon 7 Sept 2026

For more information, to check availability, or book a room at Bonnie Castle Resort&Marina, please click below...

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Bonnie Castle Resort&Marina - Room Options

A selection of room types are usually available at Bonnie Castle Resort&Marina, including;

•  Double Room with Whirlpool
•  Double Room with Whirlpool (Promotional Package)
•  King Room - Indoor Pool View with Spa Bath
•  King Room - River View with Spa Bath
•  King Room with Whirlpool
•  One-Bedroom Apartment
•  Standard Double Room with Two Double Bed
•  Standard Double Room with Two Double Bed (Promotional Package)
•  Standard King Room

King Room with Whirlpool (Double, Sleeps 3, 1 Bedroom, 1 Bathroom)
   

Featuring a spa bath, this room also has a flat-screen cable TV, refrigerator and desk.

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Double Room with Whirlpool (Sleeps 4, 1 Bedroom, 1 Bathroom)
    

Featuring a spa bath, this room also has a flat-screen cable TV, refrigerator and desk.

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One-Bedroom Apartment (Sleeps 4, 1 Bathroom)
    

The pool with a view is the standout feature of this apartment. The air-conditioned apartment has 1 bedroom and 1 bathroom with a bath and a shower. Boasting a balcony, this apartment also features a coffee machine, a seating area and a flat-screen TV with cable channels. The unit has 2 beds.

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King Room - River View with Spa Bath (Double, Sleeps 3, 1 Bedroom, 1 Bathroom)
   

The pool with a view and spa bath are the special features of this double room. A seating area with a flat-screen TV, a desk, a balcony and a private bathroom are provided in this spacious double room. The unit offers 1 bed.

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King Room - Indoor Pool View with Spa Bath (Double, Sleeps 3, 1 Bedroom, 1 Bathroom)
   

This double room's standout features are the pool with a view and spa bath. A seating area with a flat-screen TV, a desk, a balcony and a private bathroom are available in this spacious double room. The unit has 1 bed.

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Double Room with Whirlpool (Promotional Package) (Sleeps 4, 1 Bedroom, 1 Bathroom)
    

This package is only for a maximum of 2 guests. Additional guests, will incur additional charges at the time of check in. Package includes: A. $50 Meal credit for the Manor House Restaurant B. 2 Drink tickets up to a $6 value C. 1 hour boat tour for 2 D. Entrance for 2 into Boldt Castle

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Hotel Facilities