Bonnie Castle Resort & Marina
About
Bonnie Castle Resort & Marina is a historic resort hotel and full-service marina at 31 Holland Street in Alexandria Bay, with decks that look across the St. Lawrence River to Boldt Castle on Heart Island. Dining options include the Manor House Restaurant, the Riverside Sports Bar and The Pointe Bar & Grill on the dock. The resort has a pool, hosts weddings, meetings and motorcoach groups, and runs a summer concert series of tribute bands on the waterfront.
What to know
- The Pointe Bar & Grill on the dock is open seasonally.
- The 2026 summer concert series sold 600 seats per show, and tickets can be bought by phone.
- The resort maintains the Bonnie Castle Dive Park for scuba divers.
- Visitors arriving by boat can use the full-service marina.
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