Bonnie Castle Resort & Marina offers a scenic base for exploring Heart Island and Boldt Castle. Guests enjoy the seasonal pool, bar, and restaurant. In-room WiFi, vending machines, meeting facilities, and attentive staff ensure a comfortable stay.
Alexandria Bay Downtown, a neighbourhood in Alexandria Bay, is home to Bonnie Castle Resort & Marina. Thousand Islands Bridge and 1000 Islands Tower are notable landmarks, and the area's natural beauty can be seen at Thousand Islands National Park and Heart Island. Thousand Islands Winery and Boldt Castle are two other places to visit that come recommended. Visit our Alexandria Bay travel guide
31 Holland Street, Alexandria Bay, NY, 13607
What's nearby
Scenic View Park
13 min walk - 1.1 km
Keewaydin State Park
3 min drive - 2.2 km
Lil' River Fudge Co / 5&10 Variety Store
10 min walk - 0.9 km
Cornwall Brothers Museum
11 min walk - 1.0 km
beach near Alexandria Bay Downtown
15 min walk - 1.3 km
Getting around
Gananoque Station
33 min drive
Watertown, NY (ART-Watertown Intl.)
40 min drive
Restaurants
Thousand Islands Winery
10 min drive
Bonnie Castle Resort & Marina
1 min walk
JK's Roadhouse
6 min drive
Jreck Subs
11 min walk
Dark Island Spirits - Distillery & Lounge
10 min walk
About this property
Bonnie Castle Resort & Marina
Hotel near Thousand Islands Winery
Located close to Heart Island and Boldt Castle, Bonnie Castle Resort & Marina provides a bar, a business centre and a restaurant. Stay connected with free in-room WiFi.
You'll also find perks such as:
A seasonal outdoor pool
Free self-parking
A banquet hall, meeting rooms and a vending machine
ATM/banking services
Guest reviews speak highly of the helpful staff
Room features
All 128 rooms have comforts such as air conditioning, as well as amenities such as free WiFi.
Other amenities include:
Bathrooms with free toiletries
Flat-screen TVs with cable channels
Balconies or patios, fridges and coffee/tea makers
If you have requests for specific accessibility needs, please contact the property using the information on the reservation confirmation received after booking.
Stair-free path to entrance
Upper floors accessible by stairs only
Well-lit path to entrance
Wheelchair accessible (may have limitations)
Wheelchair-accessible concierge desk
Wheelchair-accessible registration desk
More
Banquet hall
Designated smoking areas
Room amenities
Bedroom
Bedsheets provided
Bathroom
Free toiletries
Toothbrush and toothpaste (on request)
Towels provided
Entertainment
Flat-screen TV with cable channels
Food and drink
Coffee/tea maker
Refrigerator
More
Air conditioning
Connecting rooms available
Desk
Policies
Check-in
Check-in start time: 3:00 PM; check-in end time: 10:00 PM
Late check-in subject to availability
Minimum check-in age - 18
Check-out
Check-out before 11:00 AM
Special check-in instructions
The front desk is open daily from 6:30 AM - 10:30 PM
Front desk staffed during limited hours
If you are planning to arrive after 10:00 PM please contact the property in advance using the information on the booking confirmation
Information provided by the property may be translated using automated translation tools
Renovations and closures
The following facilities will be closed during the winter:
Bar/Lounge
Dining venue
Swimming pool
Access methods
Front desk (limited hours)
Pets
Pets not allowed (service animals are welcome, and are exempt from fees)
Children and extra beds
Children are welcome
Rollaway/extra beds are available for USD 25.0 per night.
Cots (infant beds) are not available
Payment types at the property
Important information
Fees
You'll be asked to pay the following charges at the property. Fees may include applicable taxes:
Deposit: USD 100.00 per stay
We have included all charges provided to us by the property.
Optional extras
Rollaway bed fee: USD 25.0 per night
The above list may not be comprehensive. Fees and deposits may not include tax and are subject to change.
You need to know
Extra-person charges may apply and vary depending on property policy
Government-issued photo identification and a credit card, debit card or cash deposit may be required at check-in for incidental charges
Special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed
This property accepts credit cards and debit cards; cash is not accepted
This property has outdoor spaces, such as balconies, patios and terraces, which may not be suitable for children; if you have any concerns, we recommend contacting the property prior to your arrival to confirm that they can accommodate you in a suitable room
We should mention
This property does not have any lifts
The seasonal pool will be open from May to September
The property has connecting/adjoining rooms, which are subject to availability and can be requested by contacting the property using the number on the booking confirmation
Property is also known as
Bonnie Castle
Bonnie Castle Alexandria Bay
Bonnie Castle Resort
Bonnie Castle Resort Alexandria Bay
Bonnie Castle Hotel Alexandria Bay
Bonnie & Marina Alexandria Bay
Bonnie Castle Resort & Marina Hotel
Bonnie Castle Resort & Marina Alexandria Bay
Bonnie Castle Resort & Marina Hotel Alexandria Bay
Frequently asked questions
Does Bonnie Castle Resort & Marina have a pool?
Yes, this property has a seasonal outdoor pool. The swimming pool will be closed during the winter.
How much does it cost to stay at Bonnie Castle Resort & Marina?
As of 6 May 2026, prices found for a 1-night stay for 2 adults at Bonnie Castle Resort & Marina on 7 May 2026 start from 2.789.920 ₫, excluding taxes and fees. This price is based on the lowest nightly price found in the last 24 hours for stays in the next 30 days. Prices are subject to change. Choose your dates for more accurate prices.
Is Bonnie Castle Resort & Marina pet-friendly?
No, only service animals are welcome at the property.
How much is parking at Bonnie Castle Resort & Marina?
Self-parking is free at this property.
What time is check-in at Bonnie Castle Resort & Marina?
Check-in start time: 3:00 PM; check-in end time: 10:00 PM. Late check-in is available during limited hours.
What time is check-out at Bonnie Castle Resort & Marina?
Checkout is at 11:00 AM.
Where is Bonnie Castle Resort & Marina located?
Located in Alexandria Bay Downtown, this hotel is 5 mi (8.1 km) from Thousand Islands Winery, and within 12 mi (20 km) of Thousand Islands Bridge and 1000 Islands Tower. Thousand Islands National Park and Boldt Castle are also within 12 mi (20 km).
Can I cancel my reservation for free and receive a full refund?
Yes, this property offers free cancellation on selected room rates because flexibility matters! Please refer to the property cancellation policy on our site for more details about any exclusions or requirements.
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Reviews
Bonnie Castle Resort & Marina Reviews
7.0
Good
All reviews shown are from real guest experiences. Only travellers who have booked a stay with us can submit a review. We verify reviews according to our guidelines and publish all reviews, positive or negative.More informationOpens in a new window
Although this is a vintage facility, it is obvious that upkeep is a high priority and rooms were clean and comfortable. We would definitely stay here again.
Violet
Stayed 1 night in Oct 2025
Verified
10/10 Excellent
Mary
3 Nov 2025
Liked: Cleanliness, amenities
Staff was very friendly. Room was clean. The view of the river was beautiful.
We had a great stay in Alex Bay. Check in was friendly and welcoming. Our room was spacious and very clean. Staff were very accomodating and helpful. Our first visit to Bonnie Castle Resort and we will be returning again! Thanks for a nice relaxing time.
Well the Staff was delightful but as per the cleanliness not good, i know it was off season but things hadn't been good from the moment we walked into our room. Toilet tilted, ceiling tiles were old and stained, floors needed to be swept, jacuzzi didnt work, spider webs everywhere. Lightning needs to be updated, blow dryer took forever to dry my hair that normally takes 15 minutes to dry, gave up after 25 minutes of using it. The mirrors are all old and need replacing, the coffee maker was old and spilled everywhere. We did love the staff, they tried their best to accommodate to our needs.
The staff was extremely friendly and helpful. While the place is kind of outdated, it is nostalgic in that sense. The location was great, the place was clean, the price was reasonable.
Our stay was not in season so a lot was closed for winter. The properties restaurants and bar were closed. We did find a a little corner pizza place that was open to get dinner. As far as the property. It was just ok. With some updating it would be a nicer stay. Our room was clean. And it was very quiet which was nice due to the time frame that we stayed. We reserved a king room with a jetted tub. The tub was huge and worked great! The tv was a little small and the stand was broken so we couldn’t raise the tv up to see it better. But Im a stickler about a clean room and it definitely was that. We did stay in a different building than where the pool was located so we did have to either walk or drive to the building. We chose to drive over, it was just to cold to walk. The jacuzzi was clean and they had bathrooms for us to change before heading back which was good. The next morning they had a continental breakfast which we enjoyed. A little bit of everything to choose from. Easy checkout. Overall stay there. Was good.
Our stay was nice and quiet and comfortable. Staff person was very pleasant and helpful. She offered if we needed anything more to let her know. If we are up that way again or someone asks, we will recommend Bonnie Castle resort to stay at.